🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203

Radius: 14.1

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.39 AU - 1.79 AU

Year: 1295 Days

Day: 6.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 36,642,227 km

• M1: 175,628 km (0.103 R)
• M2: 278,551 km (0.11 R)
• M3: 380,727 km (0.114 R)
• M4: 541,843 km (0.094 R)
• M5: 663,766 km (0.116 R)
• M6: 843,283 km (0.05 R)
• M7: 967,599 km (0.05 R)
• M8: 1,058,106 km (0.093 R)
• M9: 1,218,026 km (0.076 R)
• M10: 1,405,771 km (0.077 R)
• M11: 1,603,689 km (0.083 R)
• M12: 1,692,401 km (0.11 R)
• M13: 1,932,804 km (0.109 R)
• M14: 2,057,270 km (0.025 R)
• M15: 2,177,098 km (0.077 R)
• M16: 2,276,281 km (0.109 R)
• M17: 2,518,929 km (0.11 R)
• M18: 2,828,297 km (0.04 R)
• M19: 2,953,960 km (0.074 R)
• M20: 3,236,999 km (0.101 R)
• M21: 3,333,340 km (0.116 R)
• M22: 3,466,332 km (0.098 R)
• M23: 3,619,221 km (0.101 R)
• M24: 3,728,428 km (0.07 R)
• M25: 3,866,806 km (0.043 R)
• M26: 3,997,405 km (0.097 R)
• M27: 4,110,501 km (0.06 R)
• M28: 4,243,942 km (0.051 R)
• M29: 4,398,177 km (0.084 R)
• M30: 4,515,013 km (0.108 R)
• M31: 4,722,206 km (0.115 R)
• M32: 4,832,011 km (0.052 R)
• M33: 4,983,255 km (0.108 R)
• M34: 5,125,672 km (0.073 R)
• M35: 5,269,585 km (0.093 R)
• M36: 5,362,784 km (0.081 R)
• M37: 5,456,582 km (0.09 R)
• M38: 5,593,016 km (0.119 R)
• M39: 5,741,267 km (0.087 R)
• M40: 5,858,701 km (0.117 R)
• M41: 5,976,884 km (0.12 R)
• M42: 6,204,721 km (0.029 R)
• M43: 6,314,377 km (0.073 R)
• M44: 6,446,621 km (0.112 R)
• M45: 6,725,322 km (0.075 R)
• M46: 6,973,954 km (0.115 R)
• M47: 7,145,094 km (0.079 R)
• M48: 7,503,530 km (0.082 R)
• M49: 7,632,184 km (0.041 R)
• M50: 7,879,769 km (0.115 R)
• M51: 8,022,335 km (0.078 R)
• M52: 8,165,949 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.4

Radius: 13

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.54 AU - 2.86 AU

Year: 2865 Days

Day: 5.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 36,642,227 km

• M1: 169,794 km (0.119 R)
• M2: 338,989 km (0.08 R)
• M3: 555,307 km (0.086 R)
• M4: 671,096 km (0.096 R)
• M5: 857,944 km (0.099 R)
• M6: 967,749 km (0.118 R)
• M7: 1,162,375 km (0.091 R)
• M8: 1,275,172 km (0.074 R)
• M9: 1,359,695 km (0.11 R)
• M10: 1,659,788 km (0.118 R)
• M11: 2,055,774 km (0.076 R)
• M12: 2,297,375 km (0.049 R)
• M13: 2,822,613 km (0.047 R)
• M14: 3,092,188 km (0.056 R)
• M15: 3,385,101 km (0.089 R)
• M16: 3,702,547 km (0.115 R)
• M17: 3,794,999 km (0.101 R)
• M18: 4,221,054 km (0.086 R)
• M19: 4,497,211 km (0.073 R)
• M20: 4,629,157 km (0.07 R)
• M21: 4,812,863 km (0.116 R)
• M22: 5,050,275 km (0.1 R)
• M23: 5,153,198 km (0.067 R)
• M24: 5,291,426 km (0.115 R)
• M25: 5,413,498 km (0.096 R)
• M26: 5,554,270 km (0.113 R)
• M27: 5,731,842 km (0.081 R)
• M28: 6,110,923 km (0.094 R)
• M29: 6,275,930 km (0.107 R)
• M30: 6,666,680 km (0.039 R)
• M31: 6,760,926 km (0.104 R)
• M32: 6,969,765 km (0.116 R)
• M33: 7,258,040 km (0.03 R)
• M34: 7,355,129 km (0.12 R)
• M35: 7,511,159 km (0.12 R)
• M36: 7,846,558 km (0.053 R)
• M37: 7,946,190 km (0.043 R)
• M38: 8,186,893 km (0.113 R)
• M39: 8,430,139 km (0.111 R)
• M40: 8,511,670 km (0.056 R)
• M41: 8,593,500 km (0.11 R)
• M42: 9,069,371 km (0.032 R)
• M43: 9,511,433 km (0.085 R)
• M44: 9,702,918 km (0.108 R)
• M45: 10,046,843 km (0.076 R)
• M46: 10,220,227 km (0.113 R)
• M47: 10,724,372 km (0.042 R)
• M48: 11,146,986 km (0.096 R)
• M49: 11,484,479 km (0.04 R)
• M50: 11,575,135 km (0.086 R)
• M51: 11,757,046 km (0.057 R)
• M52: 11,848,301 km (0.074 R)
• M53: 12,215,863 km (0.045 R)
• M54: 12,377,877 km (0.093 R)
• M55: 13,341,138 km (0.039 R)
• M56: 13,579,747 km (0.09 R)
• M57: 13,723,660 km (0.109 R)
• M58: 14,158,242 km (0.089 R)
• M59: 14,352,869 km (0.116 R)
• M60: 14,670,914 km (0.091 R)
• M61: 15,664,543 km (0.074 R)
• M62: 15,992,162 km (0.1 R)
• M63: 17,040,245 km (0.116 R)
• M64: 17,195,527 km (0.106 R)
• M65: 17,325,229 km (0.107 R)
• M66: 17,455,229 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.4

Radius: 9.3

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.38 AU - 3.02 AU

Year: 2865 Days

Day: 5.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 36,642,227 km

• M1: 124,765 km (0.11 R)
• M2: 202,705 km (0.062 R)
• M3: 389,852 km (0.089 R)
• M4: 448,494 km (0.096 R)
• M5: 518,805 km (0.109 R)
• M6: 663,317 km (0.113 R)
• M7: 891,155 km (0.116 R)
• M8: 1,301,801 km (0.099 R)
• M9: 1,467,256 km (0.099 R)
• M10: 1,818,811 km (0.102 R)
• M11: 2,127,282 km (0.076 R)
• M12: 2,583,854 km (0.091 R)
• M13: 2,884,696 km (0.104 R)
• M14: 3,070,646 km (0.117 R)
• M15: 3,133,477 km (0.112 R)
• M16: 3,244,628 km (0.102 R)
• M17: 3,618,922 km (0.112 R)
• M18: 3,870,396 km (0.067 R)
• M19: 3,955,667 km (0.041 R)
• M20: 4,093,147 km (0.103 R)
• M21: 4,284,932 km (0.111 R)
• M22: 4,373,045 km (0.085 R)
• M23: 4,551,216 km (0.069 R)
• M24: 4,859,537 km (0.114 R)
• M25: 4,932,990 km (0.052 R)
• M26: 5,006,891 km (0.098 R)
• M27: 5,081,241 km (0.119 R)
• M28: 5,193,440 km (0.084 R)
• M29: 5,325,235 km (0.096 R)
• M30: 5,903,132 km (0.066 R)
• M31: 6,001,418 km (0.035 R)
• M32: 6,359,555 km (0.095 R)
• M33: 6,868,786 km (0.076 R)
• M34: 6,972,158 km (0.073 R)
• M35: 7,138,661 km (0.047 R)
• M36: 7,348,846 km (0.106 R)
• M37: 7,539,583 km (0.068 R)
• M38: 8,341,128 km (0.117 R)
• M39: 8,451,532 km (0.116 R)
• M40: 8,562,533 km (0.095 R)
• M41: 8,629,254 km (0.119 R)
• M42: 8,920,671 km (0.061 R)
• M43: 9,147,012 km (0.103 R)
• M44: 9,283,745 km (0.105 R)
• M45: 9,954,093 km (0.109 R)
• M46: 10,118,202 km (0.036 R)
• M47: 10,711,956 km (0.039 R)
• M48: 10,783,912 km (0.029 R)
• M49: 11,858,324 km (0.045 R)
• M50: 12,132,387 km (0.119 R)
• M51: 12,232,468 km (0.117 R)
• M52: 12,307,716 km (0.028 R)
• M53: 12,458,810 km (0.071 R)
• M54: 12,788,224 km (0.075 R)
• M55: 12,992,276 km (0.046 R)
• M56: 13,429,550 km (0.118 R)
• M57: 13,793,372 km (0.077 R)
• M58: 14,028,989 km (0.103 R)
• M59: 14,318,760 km (0.094 R)
• M60: 14,637,104 km (0.104 R)
• M61: 15,606,199 km (0.096 R)
• M62: 15,851,839 km (0.04 R)
• M63: 16,016,098 km (0.119 R)
• M64: 16,790,865 km (0.102 R)
• M65: 16,902,465 km (0.044 R)
• M66: 17,521,052 km (0.106 R)
• M67: 17,776,266 km (0.077 R)
• M68: 18,204,266 km (0.069 R)
• M69: 18,664,728 km (0.071 R)
• M70: 18,780,367 km (0.047 R)
• M71: 19,128,930 km (0.087 R)
• M72: 19,274,638 km (0.111 R)
• M73: 19,479,438 km (0.084 R)
• M74: 19,567,551 km (0.069 R)
• M75: 19,626,193 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895

Radius: 12.2

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.81 AU - 3.89 AU

Year: 3959 Days

Day: 14.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 106.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 36,642,227 km

• M1: 154,235 km (0.103 R)
• M2: 243,396 km (0.112 R)
• M3: 402,269 km (0.117 R)
• M4: 494,571 km (0.097 R)
• M5: 694,583 km (0.056 R)
• M6: 860,487 km (0.12 R)
• M7: 1,040,304 km (0.091 R)
• M8: 1,149,061 km (0.08 R)
• M9: 1,423,573 km (0.082 R)
• M10: 2,442,335 km (0.118 R)
• M11: 2,608,837 km (0.086 R)
• M12: 2,855,973 km (0.091 R)
• M13: 3,332,592 km (0.047 R)
• M14: 4,138,176 km (0.056 R)
• M15: 5,600,495 km (0.084 R)
• M16: 6,045,400 km (0.11 R)
• M17: 6,196,344 km (0.086 R)
• M18: 6,682,537 km (0.1 R)
• M19: 6,917,106 km (0.077 R)
• M20: 7,101,561 km (0.104 R)
• M21: 7,234,254 km (0.09 R)
• M22: 7,502,184 km (0.095 R)
• M23: 7,773,405 km (0.083 R)
• M24: 7,992,715 km (0.067 R)
• M25: 8,241,945 km (0.081 R)
• M26: 8,606,366 km (0.094 R)
• M27: 9,351,363 km (0.099 R)
• M28: 9,584,736 km (0.091 R)
• M29: 10,176,545 km (0.103 R)
• M30: 10,296,373 km (0.081 R)
• M31: 10,416,649 km (0.117 R)
• M32: 11,055,881 km (0.113 R)
• M33: 11,148,333 km (0.12 R)
• M34: 11,739,244 km (0.105 R)
• M35: 12,244,885 km (0.104 R)
• M36: 12,372,342 km (0.098 R)
• M37: 12,532,412 km (0.103 R)
• M38: 13,441,219 km (0.093 R)
• M39: 13,539,954 km (0.086 R)
• M40: 13,903,626 km (0.081 R)
• M41: 14,371,269 km (0.089 R)
• M42: 15,735,901 km (0.065 R)
• M43: 16,398,470 km (0.095 R)
• M44: 17,034,710 km (0.066 R)
• M45: 17,177,127 km (0.098 R)
• M46: 17,463,307 km (0.056 R)
• M47: 17,571,018 km (0.072 R)
• M48: 17,931,549 km (0.061 R)
• M49: 18,843,946 km (0.051 R)
• M50: 19,102,003 km (0.073 R)
• M51: 19,361,405 km (0.092 R)
• M52: 19,584,605 km (0.091 R)
• M53: 20,713,471 km (0.104 R)
• M54: 20,827,614 km (0.12 R)
• M55: 21,094,497 km (0.032 R)
• M56: 21,362,576 km (0.105 R)
• M57: 21,593,256 km (0.083 R)
• M58: 21,709,045 km (0.039 R)
• M59: 22,407,218 km (0.09 R)
• M60: 22,485,308 km (0.08 R)
• M61: 23,666,832 km (0.038 R)
• M62: 23,746,268 km (0.094 R)
• M63: 24,505,926 km (0.099 R)
• M64: 25,192,281 km (0.098 R)
• M65: 25,517,507 km (0.1 R)
• M66: 26,254,277 km (0.112 R)
• M67: 26,418,984 km (0.032 R)
• M68: 26,915,051 km (0.111 R)
• M69: 27,164,281 km (0.028 R)
• M70: 27,455,996 km (0.073 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 794.6

Radius: 6.6

Gravity: 18.24 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 5.82 AU - 6.3 AU

Year: 9632 Days

Day: 20.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 36,642,227 km

• M1: 99,483 km (0.073 R)
• M2: 504,145 km (0.12 R)
• M3: 613,950 km (0.085 R)
• M4: 663,616 km (0.114 R)
• M5: 913,594 km (0.108 R)
• M6: 1,586,485 km (0.104 R)
• M7: 1,726,808 km (0.044 R)
• M8: 2,095,118 km (0.116 R)
• M9: 2,327,743 km (0.095 R)
• M10: 2,514,591 km (0.086 R)
• M11: 3,250,014 km (0.086 R)
• M12: 3,795,896 km (0.113 R)
• M13: 4,337,291 km (0.097 R)
• M14: 4,767,684 km (0.119 R)
• M15: 5,039,204 km (0.111 R)
• M16: 5,176,984 km (0.097 R)
• M17: 5,420,828 km (0.092 R)
• M18: 5,562,049 km (0.115 R)
• M19: 5,992,592 km (0.081 R)
• M20: 6,696,300 km (0.066 R)
• M21: 7,192,666 km (0.034 R)
• M22: 7,308,903 km (0.09 R)
• M23: 7,661,356 km (0.083 R)
• M24: 8,342,325 km (0.056 R)
• M25: 8,669,496 km (0.066 R)
• M26: 8,834,502 km (0.114 R)
• M27: 9,463,113 km (0.061 R)
• M28: 9,804,196 km (0.095 R)
• M29: 9,847,130 km (0.043 R)
• M30: 11,524,122 km (0.106 R)
• M31: 11,979,947 km (0.116 R)
• M32: 12,395,231 km (0.111 R)
• M33: 12,441,606 km (0.043 R)
• M34: 12,628,005 km (0.112 R)
• M35: 13,050,469 km (0.114 R)
• M36: 15,282,021 km (0.109 R)
• M37: 15,431,619 km (0.112 R)
• M38: 15,581,665 km (0.084 R)
• M39: 16,034,797 km (0.116 R)
• M40: 16,237,502 km (0.08 R)
• M41: 16,645,755 km (0.061 R)
• M42: 17,995,277 km (0.104 R)
• M43: 18,206,061 km (0.039 R)
• M44: 18,470,699 km (0.079 R)
• M45: 20,577,636 km (0.03 R)
• M46: 20,963,898 km (0.105 R)
• M47: 21,241,102 km (0.078 R)
• M48: 21,743,452 km (0.097 R)
• M49: 22,419,036 km (0.064 R)
• M50: 22,475,734 km (0.048 R)
• M51: 22,759,521 km (0.035 R)
• M52: 23,044,505 km (0.093 R)
• M53: 24,662,406 km (0.095 R)
• M54: 26,197,130 km (0.092 R)
• M55: 26,615,556 km (0.108 R)
• M56: 26,976,086 km (0.095 R)
• M57: 27,277,676 km (0.11 R)
• M58: 27,338,113 km (0.056 R)
• M59: 27,641,049 km (0.119 R)
• M60: 28,250,361 km (0.117 R)
• M61: 29,917,330 km (0.12 R)
• M62: 30,542,799 km (0.053 R)
• M63: 31,615,864 km (0.03 R)
• M64: 32,125,245 km (0.049 R)
• M65: 33,539,693 km (0.088 R)
• M66: 34,189,397 km (0.106 R)
• M67: 35,040,160 km (0.096 R)
• M68: 35,435,098 km (0.099 R)
• M69: 35,897,804 km (0.103 R)
• M70: 36,628,889 km (0.027 R)
• M71: 36,695,610 km (0.1 R)
• M72: 38,376,641 km (0.11 R)
• M73: 38,579,944 km (0.056 R)
• M74: 39,328,831 km (0.103 R)
• M75: 40,219,986 km (0.089 R)
• M76: 40,288,801 km (0.119 R)
• M77: 40,426,581 km (0.117 R)
• M78: 40,840,817 km (0.114 R)
• M79: 41,325,963 km (0.087 R)
• M80: 41,395,376 km (0.031 R)
• M81: 41,812,904 km (0.111 R)
• M82: 42,933,243 km (0.102 R)
• M83: 43,073,865 km (0.113 R)
• M84: 43,355,856 km (0.082 R)
• M85: 44,205,273 km (0.119 R)
• M86: 44,917,209 km (0.116 R)
• M87: 45,920,413 km (0.119 R)
• M88: 46,858,691 km (0.107 R)
• M89: 47,293,721 km (0.077 R)
• M90: 47,511,835 km (0.11 R)
• M91: 47,803,102 km (0.089 R)
• M92: 48,314,278 km (0.108 R)
• M93: 48,533,888 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 306.5

Radius: 3.1

Gravity: 31.89 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 5.39 AU - 7.03 AU

Year: 9992 Days

Day: 19.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 36,642,227 km

• M1: 41,887 km (0.113 R)
• M2: 80,783 km (0.105 R)
• M3: 105,766 km (0.096 R)
• M4: 142,118 km (0.107 R)
• M5: 183,257 km (0.098 R)
• M6: 258,056 km (0.107 R)
• M7: 353,649 km (0.096 R)
• M8: 411,544 km (0.037 R)
• M9: 460,163 km (0.095 R)
• M10: 485,146 km (0.117 R)
• M11: 645,216 km (0.101 R)
• M12: 866,770 km (0.101 R)
• M13: 898,036 km (0.118 R)
• M14: 1,076,656 km (0.092 R)
• M15: 1,283,999 km (0.11 R)
• M16: 1,466,059 km (0.106 R)
• M17: 2,186,373 km (0.11 R)
• M18: 2,491,852 km (0.1 R)
• M19: 3,022,326 km (0.027 R)
• M20: 3,611,442 km (0.114 R)
• M21: 4,102,422 km (0.118 R)
• M22: 4,235,116 km (0.114 R)
• M23: 4,261,744 km (0.087 R)
• M24: 4,586,521 km (0.074 R)
• M25: 4,975,476 km (0.08 R)
• M26: 6,479,084 km (0.083 R)
• M27: 6,789,200 km (0.084 R)
• M28: 7,813,497 km (0.066 R)
• M29: 7,846,259 km (0.102 R)
• M30: 9,472,836 km (0.115 R)
• M31: 10,251,792 km (0.1 R)
• M32: 10,467,812 km (0.102 R)
• M33: 10,904,488 km (0.032 R)
• M34: 11,570,348 km (0.051 R)
• M35: 11,795,194 km (0.113 R)
• M36: 12,709,087 km (0.061 R)
• M37: 13,330,816 km (0.119 R)
• M38: 14,122,039 km (0.085 R)
• M39: 14,684,677 km (0.056 R)
• M40: 14,806,300 km (0.052 R)
• M41: 14,846,841 km (0.098 R)
• M42: 15,131,974 km (0.105 R)
• M43: 15,873,531 km (0.037 R)
• M44: 16,458,459 km (0.071 R)
• M45: 17,349,015 km (0.107 R)
• M46: 17,520,304 km (0.092 R)
• M47: 17,649,258 km (0.119 R)
• M48: 17,735,426 km (0.043 R)
• M49: 17,994,529 km (0.081 R)
• M50: 19,575,779 km (0.059 R)
• M51: 19,620,359 km (0.101 R)
• M52: 19,798,979 km (0.081 R)
• M53: 19,888,439 km (0.086 R)
• M54: 19,978,048 km (0.1 R)
• M55: 20,563,723 km (0.098 R)
• M56: 21,475,971 km (0.081 R)
• M57: 21,890,656 km (0.077 R)
• M58: 22,029,483 km (0.097 R)
• M59: 22,681,281 km (0.095 R)
• M60: 22,821,754 km (0.086 R)
• M61: 25,060,336 km (0.059 R)
• M62: 25,351,005 km (0.064 R)
• M63: 25,545,482 km (0.119 R)
• M64: 26,525,198 km (0.119 R)
• M65: 26,772,035 km (0.116 R)
• M66: 26,920,586 km (0.048 R)
• M67: 26,970,103 km (0.1 R)
• M68: 28,067,852 km (0.04 R)
• M69: 29,690,540 km (0.045 R)
• M70: 30,668,311 km (0.052 R)
• M71: 30,771,833 km (0.085 R)
• M72: 31,135,206 km (0.088 R)
• M73: 31,291,387 km (0.092 R)
• M74: 31,708,914 km (0.096 R)
• M75: 31,918,501 km (0.03 R)
• M76: 33,610,902 km (0.115 R)
• M77: 33,985,046 km (0.074 R)
• M78: 34,414,392 km (0.099 R)
• M79: 35,712,752 km (0.104 R)
• M80: 35,930,716 km (0.12 R)
• M81: 36,642,203 km (0.041 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 226 - 18,064 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit