🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.7 AU - 0.72 AU

Year: 229 Days

Day: 26 Hours

Environment

Temp: 146 °C

Axial Tilt: 32.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.82 AU - 2 AU

Year: 1011 Days

Day: 34.4 Hours

Environment

Temp: -84 °C

Axial Tilt: 14.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.38 AU - 4.12 AU

Year: 2780 Days

Day: 29.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 103,941,057 km

• M1: 719,117 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.9

Radius: 8.2

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.36 AU - 6.56 AU

Year: 4885 Days

Day: 11.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 103,941,057 km

• M1: 129,851 km (0.081 R)
• M2: 236,365 km (0.09 R)
• M3: 308,920 km (0.085 R)
• M4: 522,845 km (0.081 R)
• M5: 591,959 km (0.043 R)
• M6: 751,879 km (0.106 R)
• M7: 825,032 km (0.115 R)
• M8: 1,038,957 km (0.082 R)
• M9: 1,277,715 km (0.054 R)
• M10: 1,549,684 km (0.083 R)
• M11: 1,628,522 km (0.059 R)
• M12: 1,881,492 km (0.114 R)
• M13: 2,034,232 km (0.103 R)
• M14: 2,226,465 km (0.111 R)
• M15: 2,470,609 km (0.112 R)
• M16: 2,838,470 km (0.103 R)
• M17: 2,955,156 km (0.111 R)
• M18: 3,223,685 km (0.077 R)
• M19: 3,325,112 km (0.114 R)
• M20: 3,396,769 km (0.104 R)
• M21: 3,458,703 km (0.119 R)
• M22: 3,741,592 km (0.09 R)
• M23: 4,043,032 km (0.033 R)
• M24: 4,163,608 km (0.082 R)
• M25: 4,318,891 km (0.114 R)
• M26: 4,487,338 km (0.09 R)
• M27: 4,543,886 km (0.03 R)
• M28: 4,634,991 km (0.109 R)
• M29: 4,993,876 km (0.118 R)
• M30: 5,111,610 km (0.095 R)
• M31: 5,230,091 km (0.053 R)
• M32: 5,836,860 km (0.089 R)
• M33: 5,948,460 km (0.092 R)
• M34: 6,148,622 km (0.092 R)
• M35: 6,542,812 km (0.07 R)
• M36: 6,905,887 km (0.058 R)
• M37: 7,195,658 km (0.113 R)
• M38: 7,302,171 km (0.027 R)
• M39: 7,476,154 km (0.095 R)
• M40: 7,678,709 km (0.11 R)
• M41: 7,773,853 km (0.079 R)
• M42: 7,992,715 km (0.083 R)
• M43: 8,803,386 km (0.114 R)
• M44: 9,189,648 km (0.105 R)
• M45: 9,305,137 km (0.056 R)
• M46: 9,479,269 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.4

Radius: 11.1

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 6.43 AU - 10.41 AU

Year: 9355 Days

Day: 10.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 103,941,057 km

• M1: 156,479 km (0.088 R)
• M2: 386,262 km (0.116 R)
• M3: 763,996 km (0.092 R)
• M4: 886,816 km (0.106 R)
• M5: 1,136,345 km (0.071 R)
• M6: 1,206,806 km (0.11 R)
• M7: 1,523,505 km (0.11 R)
• M8: 1,971,999 km (0.1 R)
• M9: 2,079,560 km (0.115 R)
• M10: 2,167,224 km (0.05 R)
• M11: 2,368,882 km (0.086 R)
• M12: 2,623,947 km (0.11 R)
• M13: 3,287,712 km (0.079 R)
• M14: 4,139,223 km (0.098 R)
• M15: 6,034,030 km (0.117 R)
• M16: 6,223,870 km (0.104 R)
• M17: 7,036,186 km (0.097 R)
• M18: 7,336,728 km (0.105 R)
• M19: 7,812,898 km (0.093 R)
• M20: 7,916,121 km (0.103 R)
• M21: 8,510,324 km (0.053 R)
• M22: 9,191,293 km (0.086 R)
• M23: 9,337,002 km (0.12 R)
• M24: 9,483,308 km (0.068 R)
• M25: 10,989,011 km (0.082 R)
• M26: 11,690,625 km (0.09 R)
• M27: 11,967,381 km (0.108 R)
• M28: 12,246,381 km (0.119 R)
• M29: 12,406,750 km (0.098 R)
• M30: 12,851,355 km (0.116 R)
• M31: 13,301,195 km (0.099 R)
• M32: 13,548,780 km (0.114 R)
• M33: 14,048,586 km (0.064 R)
• M34: 14,216,585 km (0.092 R)
• M35: 14,512,041 km (0.091 R)
• M36: 14,596,863 km (0.117 R)
• M37: 16,814,501 km (0.078 R)
• M38: 17,171,891 km (0.105 R)
• M39: 17,351,408 km (0.093 R)
• M40: 17,667,359 km (0.095 R)
• M41: 17,757,866 km (0.063 R)
• M42: 19,789,854 km (0.07 R)
• M43: 19,978,197 km (0.115 R)
• M44: 20,881,020 km (0.109 R)
• M45: 21,168,847 km (0.093 R)
• M46: 21,554,660 km (0.116 R)
• M47: 22,235,629 km (0.102 R)
• M48: 23,022,364 km (0.102 R)
• M49: 24,673,925 km (0.069 R)
• M50: 25,334,998 km (0.095 R)
• M51: 25,641,973 km (0.084 R)
• M52: 26,570,676 km (0.105 R)
• M53: 26,882,588 km (0.112 R)
• M54: 27,562,809 km (0.113 R)
• M55: 27,878,610 km (0.089 R)
• M56: 28,195,608 km (0.107 R)
• M57: 28,513,803 km (0.086 R)
• M58: 28,726,681 km (0.113 R)
• M59: 29,314,600 km (0.105 R)
• M60: 30,122,878 km (0.075 R)
• M61: 30,339,645 km (0.032 R)
• M62: 31,047,692 km (0.071 R)
• M63: 31,321,456 km (0.09 R)
• M64: 31,431,111 km (0.089 R)
• M65: 31,651,020 km (0.091 R)
• M66: 32,591,093 km (0.09 R)
• M67: 33,204,295 km (0.112 R)
• M68: 33,877,635 km (0.074 R)
• M69: 33,990,282 km (0.093 R)
• M70: 34,555,463 km (0.119 R)
• M71: 35,351,772 km (0.111 R)
• M72: 35,924,433 km (0.087 R)
• M73: 36,039,324 km (0.069 R)
• M74: 36,384,596 km (0.055 R)
• M75: 36,500,085 km (0.095 R)
• M76: 36,731,064 km (0.079 R)
• M77: 37,894,038 km (0.1 R)
• M78: 38,069,517 km (0.046 R)
• M79: 38,186,652 km (0.114 R)
• M80: 39,068,980 km (0.08 R)
• M81: 39,482,917 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 466.6

Radius: 7.1

Gravity: 9.26 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 10.25 AU - 13.55 AU

Year: 15718 Days

Day: 22.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 103,941,057 km

• M1: 97,687 km (0.065 R)
• M2: 182,659 km (0.119 R)
• M3: 461,061 km (0.098 R)
• M4: 1,075,459 km (0.119 R)
• M5: 1,234,182 km (0.112 R)
• M6: 1,676,843 km (0.077 R)
• M7: 2,108,732 km (0.066 R)
• M8: 2,395,660 km (0.051 R)
• M9: 2,880,657 km (0.067 R)
• M10: 3,296,688 km (0.104 R)
• M11: 3,765,678 km (0.046 R)
• M12: 3,834,493 km (0.069 R)
• M13: 4,008,176 km (0.043 R)
• M14: 4,363,321 km (0.045 R)
• M15: 5,527,342 km (0.099 R)
• M16: 5,842,694 km (0.084 R)
• M17: 6,042,707 km (0.109 R)
• M18: 6,656,208 km (0.097 R)
• M19: 6,865,196 km (0.102 R)
• M20: 6,949,270 km (0.109 R)
• M21: 7,161,250 km (0.118 R)
• M22: 7,289,455 km (0.106 R)
• M23: 7,418,558 km (0.112 R)
• M24: 7,722,392 km (0.069 R)
• M25: 7,942,001 km (0.114 R)
• M26: 8,749,381 km (0.1 R)
• M27: 9,209,245 km (0.058 R)
• M28: 9,442,019 km (0.114 R)
• M29: 9,535,817 km (0.118 R)
• M30: 10,538,123 km (0.074 R)
• M31: 10,635,361 km (0.057 R)
• M32: 10,683,981 km (0.074 R)
• M33: 10,732,899 km (0.059 R)
• M34: 11,175,260 km (0.106 R)
• M35: 12,384,161 km (0.08 R)
• M36: 12,538,246 km (0.073 R)
• M37: 12,796,303 km (0.104 R)
• M38: 13,265,292 km (0.11 R)
• M39: 13,634,051 km (0.064 R)
• M40: 14,435,447 km (0.104 R)
• M41: 14,978,188 km (0.105 R)
• M42: 15,582,862 km (0.048 R)
• M43: 15,804,716 km (0.038 R)
• M44: 17,043,685 km (0.077 R)
• M45: 17,906,267 km (0.097 R)
• M46: 18,196,786 km (0.108 R)
• M47: 18,430,458 km (0.1 R)
• M48: 19,913,272 km (0.072 R)
• M49: 20,093,836 km (0.119 R)
• M50: 20,214,412 km (0.103 R)
• M51: 20,699,409 km (0.118 R)
• M52: 22,301,751 km (0.103 R)
• M53: 22,802,904 km (0.12 R)
• M54: 22,865,735 km (0.099 R)
• M55: 23,497,786 km (0.099 R)
• M56: 24,973,420 km (0.085 R)
• M57: 25,820,592 km (0.053 R)
• M58: 26,809,734 km (0.113 R)
• M59: 27,142,290 km (0.08 R)
• M60: 27,945,780 km (0.071 R)
• M61: 28,418,210 km (0.112 R)
• M62: 28,825,116 km (0.12 R)
• M63: 30,333,811 km (0.104 R)
• M64: 32,361,460 km (0.119 R)
• M65: 33,141,912 km (0.095 R)
• M66: 33,641,868 km (0.087 R)
• M67: 34,866,177 km (0.08 R)
• M68: 35,593,223 km (0.102 R)
• M69: 35,958,691 km (0.113 R)
• M70: 36,766,968 km (0.092 R)
• M71: 37,581,229 km (0.098 R)
• M72: 38,551,072 km (0.082 R)
• M73: 38,626,021 km (0.115 R)
• M74: 39,453,746 km (0.116 R)
• M75: 39,907,626 km (0.087 R)
• M76: 40,820,771 km (0.108 R)
• M77: 40,897,066 km (0.084 R)
• M78: 42,667,407 km (0.041 R)
• M79: 43,522,808 km (0.029 R)
• M80: 43,678,988 km (0.091 R)
• M81: 45,567,212 km (0.031 R)
• M82: 46,043,382 km (0.082 R)
• M83: 47,803,551 km (0.065 R)
• M84: 49,585,710 km (0.097 R)
• M85: 50,484,943 km (0.116 R)
• M86: 52,050,784 km (0.09 R)
• M87: 52,382,442 km (0.095 R)
• M88: 52,548,496 km (0.085 R)
• M89: 53,047,854 km (0.088 R)
• M90: 53,799,882 km (0.117 R)
• M91: 54,051,356 km (0.116 R)
• M92: 54,976,619 km (0.095 R)
• M93: 55,737,623 km (0.081 R)
• M94: 56,076,911 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 83.9

Radius: 3.3

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 12.62 AU - 14.5 AU

Year: 19119 Days

Day: 22.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 103,941,057 km

• M1: 89,160 km (0.118 R)
• M2: 137,032 km (0.073 R)
• M3: 260,599 km (0.104 R)
• M4: 462,856 km (0.042 R)
• M5: 500,704 km (0.078 R)
• M6: 539,450 km (0.074 R)
• M7: 592,856 km (0.095 R)
• M8: 885,470 km (0.078 R)
• M9: 932,743 km (0.105 R)
• M10: 1,013,526 km (0.092 R)
• M11: 1,323,044 km (0.115 R)
• M12: 1,506,899 km (0.065 R)
• M13: 1,582,745 km (0.065 R)
• M14: 1,777,671 km (0.054 R)
• M15: 2,168,870 km (0.052 R)
• M16: 2,297,823 km (0.057 R)
• M17: 2,363,347 km (0.093 R)
• M18: 2,407,179 km (0.053 R)
• M19: 2,540,770 km (0.1 R)
• M20: 2,838,171 km (0.084 R)
• M21: 3,122,556 km (0.066 R)
• M22: 3,667,093 km (0.076 R)
• M23: 3,692,524 km (0.043 R)
• M24: 3,769,268 km (0.03 R)
• M25: 4,187,095 km (0.099 R)
• M26: 4,320,686 km (0.114 R)
• M27: 4,674,634 km (0.115 R)
• M28: 5,236,973 km (0.12 R)
• M29: 5,438,780 km (0.084 R)
• M30: 5,879,944 km (0.085 R)
• M31: 6,119,899 km (0.074 R)
• M32: 6,210,705 km (0.074 R)
• M33: 6,241,074 km (0.101 R)
• M34: 6,485,816 km (0.107 R)
• M35: 6,890,179 km (0.068 R)
• M36: 7,238,592 km (0.069 R)
• M37: 7,302,620 km (0.049 R)
• M38: 7,398,961 km (0.057 R)
• M39: 7,722,990 km (0.1 R)
• M40: 7,788,364 km (0.091 R)
• M41: 8,118,078 km (0.068 R)
• M42: 8,184,500 km (0.108 R)
• M43: 9,030,625 km (0.116 R)
• M44: 9,376,795 km (0.113 R)
• M45: 9,551,525 km (0.08 R)
• M46: 10,296,971 km (0.093 R)
• M47: 10,840,909 km (0.116 R)
• M48: 11,282,671 km (0.088 R)
• M49: 11,319,772 km (0.09 R)
• M50: 11,730,268 km (0.049 R)
• M51: 12,259,845 km (0.108 R)
• M52: 13,854,857 km (0.089 R)
• M53: 14,293,927 km (0.029 R)
• M54: 14,374,111 km (0.106 R)
• M55: 14,535,228 km (0.081 R)
• M56: 14,656,403 km (0.058 R)
• M57: 15,637,765 km (0.117 R)
• M58: 17,319,993 km (0.119 R)
• M59: 17,534,366 km (0.043 R)
• M60: 18,882,393 km (0.072 R)
• M61: 19,635,768 km (0.108 R)
• M62: 20,038,485 km (0.09 R)
• M63: 20,398,866 km (0.113 R)
• M64: 20,715,864 km (0.114 R)
• M65: 22,092,913 km (0.037 R)
• M66: 22,232,188 km (0.088 R)
• M67: 22,465,112 km (0.109 R)
• M68: 23,074,275 km (0.102 R)
• M69: 24,404,649 km (0.076 R)
• M70: 24,548,711 km (0.104 R)
• M71: 24,644,903 km (0.118 R)
• M72: 25,467,392 km (0.083 R)
• M73: 25,857,543 km (0.083 R)
• M74: 26,545,095 km (0.071 R)
• M75: 26,841,598 km (0.066 R)
• M76: 27,537,677 km (0.107 R)
• M77: 28,038,531 km (0.087 R)
• M78: 28,290,154 km (0.117 R)
• M79: 29,100,077 km (0.111 R)
• M80: 29,252,816 km (0.033 R)
• M81: 29,303,829 km (0.119 R)
• M82: 30,020,403 km (0.037 R)
• M83: 30,071,865 km (0.114 R)
• M84: 31,002,214 km (0.116 R)
• M85: 31,470,904 km (0.115 R)
• M86: 31,994,347 km (0.106 R)
• M87: 32,257,190 km (0.092 R)
• M88: 32,785,121 km (0.108 R)
• M89: 32,943,994 km (0.083 R)
• M90: 33,849,361 km (0.056 R)
• M91: 34,170,697 km (0.086 R)
• M92: 35,249,597 km (0.073 R)
• M93: 36,120,705 km (0.084 R)
• M94: 36,339,567 km (0.069 R)
• M95: 36,559,027 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 898.2

Radius: 7.4

Gravity: 16.4 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 13.5 AU - 21.38 AU

Year: 27886 Days

Day: 24.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 103,941,057 km

• M1: 128,804 km (0.112 R)
• M2: 658,829 km (0.111 R)
• M3: 1,018,014 km (0.093 R)
• M4: 1,288,038 km (0.107 R)
• M5: 1,773,483 km (0.062 R)
• M6: 1,852,919 km (0.11 R)
• M7: 2,711,162 km (0.096 R)
• M8: 3,524,975 km (0.102 R)
• M9: 3,984,539 km (0.054 R)
• M10: 4,681,516 km (0.108 R)
• M11: 6,125,135 km (0.107 R)
• M12: 7,115,772 km (0.105 R)
• M13: 7,435,463 km (0.107 R)
• M14: 8,088,906 km (0.095 R)
• M15: 8,897,184 km (0.106 R)
• M16: 8,965,700 km (0.099 R)
• M17: 9,380,534 km (0.09 R)
• M18: 10,372,668 km (0.081 R)
• M19: 10,589,734 km (0.045 R)
• M20: 11,847,104 km (0.107 R)
• M21: 12,840,135 km (0.045 R)
• M22: 16,394,131 km (0.119 R)
• M23: 17,412,743 km (0.081 R)
• M24: 17,498,613 km (0.03 R)
• M25: 17,756,818 km (0.049 R)
• M26: 19,600,014 km (0.036 R)
• M27: 19,958,002 km (0.039 R)
• M28: 20,771,216 km (0.054 R)
• M29: 22,523,455 km (0.104 R)
• M30: 22,804,400 km (0.116 R)
• M31: 22,898,348 km (0.033 R)
• M32: 23,369,880 km (0.091 R)
• M33: 23,559,271 km (0.077 R)
• M34: 24,035,291 km (0.099 R)
• M35: 27,855,572 km (0.07 R)
• M36: 28,966,636 km (0.096 R)
• M37: 29,068,362 km (0.085 R)
• M38: 29,989,287 km (0.093 R)
• M39: 30,092,210 km (0.116 R)
• M40: 30,505,100 km (0.113 R)
• M41: 31,859,709 km (0.058 R)
• M42: 31,964,727 km (0.107 R)
• M43: 32,809,057 km (0.081 R)
• M44: 33,233,915 km (0.108 R)
• M45: 34,089,166 km (0.115 R)
• M46: 34,735,429 km (0.111 R)
• M47: 38,361,083 km (0.1 R)
• M48: 38,920,728 km (0.114 R)
• M49: 40,388,732 km (0.058 R)
• M50: 41,530,314 km (0.04 R)
• M51: 42,451,089 km (0.072 R)
• M52: 43,262,358 km (0.074 R)
• M53: 48,115,612 km (0.066 R)
• M54: 48,719,090 km (0.111 R)
• M55: 49,203,787 km (0.102 R)
• M56: 49,933,824 km (0.092 R)
• M57: 51,158,283 km (0.07 R)
• M58: 51,404,372 km (0.116 R)
• M59: 52,021,463 km (0.05 R)
• M60: 57,555,537 km (0.12 R)
• M61: 57,683,443 km (0.066 R)
• M62: 58,324,619 km (0.115 R)
• M63: 60,002,509 km (0.1 R)
• M64: 60,391,912 km (0.12 R)
• M65: 60,912,513 km (0.12 R)
• M66: 61,958,053 km (0.056 R)
• M67: 62,089,250 km (0.107 R)
• M68: 62,877,780 km (0.118 R)
• M69: 63,802,145 km (0.12 R)
• M70: 66,199,451 km (0.093 R)
• M71: 66,467,531 km (0.055 R)
• M72: 69,713,954 km (0.115 R)
• M73: 70,670,333 km (0.108 R)
• M74: 71,218,909 km (0.11 R)
• M75: 72,182,319 km (0.063 R)
• M76: 72,458,327 km (0.113 R)
• M77: 73,288,446 km (0.077 R)
• M78: 74,400,407 km (0.04 R)
• M79: 76,218,918 km (0.119 R)
• M80: 80,185,356 km (0.107 R)
• M81: 80,757,419 km (0.102 R)
• M82: 83,059,431 km (0.108 R)
• M83: 83,203,942 km (0.088 R)
• M84: 83,928,145 km (0.095 R)
• M85: 85,236,977 km (0.047 R)
• M86: 85,382,686 km (0.081 R)
• M87: 86,113,172 km (0.043 R)
• M88: 86,405,935 km (0.112 R)
• M89: 91,433,171 km (0.08 R)
• M90: 92,030,815 km (0.039 R)
• M91: 95,643,903 km (0.112 R)
• M92: 95,947,138 km (0.085 R)
• M93: 97,010,778 km (0.116 R)
• M94: 102,542,309 km (0.097 R)
• M95: 102,852,575 km (0.047 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 17,003 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit