🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.43 AU - 0.71 AU

Year: 165 Days

Day: 39 Hours

Environment

Temp: 131 °C

Axial Tilt: 24.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.05

Radius: 1.33

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.89 AU - 1.05 AU

Year: 366 Days

Day: 44.1 Hours

Environment

Temp: 16 °C

Axial Tilt: 21.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.95 AU - 1.41 AU

Year: 491 Days

Day: 37.4 Hours

Environment

Temp: -35 °C

Axial Tilt: 17.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 100,531,059 km

• M1: 319,691 km (0.091 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.2 AU - 1.28 AU

Year: 529 Days

Day: 13.3 Hours

Environment

Temp: -30 °C

Axial Tilt: 20.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 100,531,059 km

• M1: 391,498 km (0.115 R)
• M2: 683,213 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.6

Radius: 14.1

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.96 AU - 5 AU

Year: 4255 Days

Day: 7.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 100,531,059 km

• M1: 176,226 km (0.096 R)
• M2: 400,473 km (0.106 R)
• M3: 512,672 km (0.111 R)
• M4: 712,385 km (0.1 R)
• M5: 869,612 km (0.107 R)
• M6: 1,168,659 km (0.065 R)
• M7: 1,634,058 km (0.118 R)
• M8: 2,008,202 km (0.109 R)
• M9: 2,172,161 km (0.118 R)
• M10: 2,272,840 km (0.113 R)
• M11: 2,409,723 km (0.096 R)
• M12: 2,602,405 km (0.119 R)
• M13: 3,463,490 km (0.118 R)
• M14: 3,864,263 km (0.071 R)
• M15: 4,008,026 km (0.072 R)
• M16: 4,132,791 km (0.034 R)
• M17: 4,493,471 km (0.08 R)
• M18: 4,644,864 km (0.054 R)
• M19: 4,908,605 km (0.082 R)
• M20: 4,997,616 km (0.078 R)
• M21: 5,109,814 km (0.112 R)
• M22: 5,245,350 km (0.059 R)
• M23: 5,752,936 km (0.085 R)
• M24: 5,846,883 km (0.045 R)
• M25: 6,084,145 km (0.118 R)
• M26: 6,421,788 km (0.101 R)
• M27: 6,519,326 km (0.065 R)
• M28: 6,666,680 km (0.048 R)
• M29: 7,191,170 km (0.097 R)
• M30: 7,496,948 km (0.057 R)
• M31: 7,599,871 km (0.119 R)
• M32: 8,016,052 km (0.067 R)
• M33: 8,306,571 km (0.118 R)
• M34: 8,439,863 km (0.081 R)
• M35: 8,871,004 km (0.107 R)
• M36: 9,007,288 km (0.103 R)
• M37: 9,364,677 km (0.108 R)
• M38: 9,951,998 km (0.082 R)
• M39: 10,178,938 km (0.096 R)
• M40: 10,666,927 km (0.107 R)
• M41: 11,576,332 km (0.118 R)
• M42: 11,665,642 km (0.029 R)
• M43: 11,875,079 km (0.051 R)
• M44: 12,267,175 km (0.072 R)
• M45: 12,541,238 km (0.104 R)
• M46: 13,095,199 km (0.101 R)
• M47: 13,281,748 km (0.085 R)
• M48: 13,437,778 km (0.03 R)
• M49: 13,657,388 km (0.102 R)
• M50: 14,100,048 km (0.115 R)
• M51: 14,195,641 km (0.097 R)
• M52: 14,643,986 km (0.025 R)
• M53: 16,417,319 km (0.094 R)
• M54: 17,125,067 km (0.069 R)
• M55: 17,636,841 km (0.087 R)
• M56: 18,326,936 km (0.083 R)
• M57: 19,202,083 km (0.079 R)
• M58: 19,414,064 km (0.106 R)
• M59: 20,090,695 km (0.066 R)
• M60: 20,234,159 km (0.11 R)
• M61: 20,738,902 km (0.078 R)
• M62: 21,320,988 km (0.078 R)
• M63: 21,540,597 km (0.098 R)
• M64: 22,538,116 km (0.112 R)
• M65: 22,761,914 km (0.097 R)
• M66: 23,626,441 km (0.092 R)
• M67: 24,119,964 km (0.047 R)
• M68: 24,463,590 km (0.105 R)
• M69: 24,770,266 km (0.105 R)
• M70: 25,194,226 km (0.086 R)
• M71: 25,542,939 km (0.074 R)
• M72: 26,088,522 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.3

Radius: 14.6

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 8.9 AU - 10.36 AU

Year: 11442 Days

Day: 6.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 100,531,059 km

• M1: 185,202 km (0.08 R)
• M2: 344,673 km (0.079 R)
• M3: 463,454 km (0.1 R)
• M4: 1,080,545 km (0.084 R)
• M5: 1,258,866 km (0.109 R)
• M6: 1,811,929 km (0.104 R)
• M7: 2,205,821 km (0.112 R)
• M8: 2,366,489 km (0.033 R)
• M9: 2,578,918 km (0.074 R)
• M10: 2,947,377 km (0.11 R)
• M11: 3,280,681 km (0.105 R)
• M12: 3,572,248 km (0.103 R)
• M13: 3,762,386 km (0.071 R)
• M14: 3,872,640 km (0.119 R)
• M15: 4,039,890 km (0.107 R)
• M16: 4,585,923 km (0.094 R)
• M17: 5,907,022 km (0.028 R)
• M18: 6,035,676 km (0.071 R)
• M19: 6,197,840 km (0.089 R)
• M20: 6,861,007 km (0.095 R)
• M21: 6,962,435 km (0.101 R)
• M22: 7,407,937 km (0.094 R)
• M23: 7,546,913 km (0.108 R)
• M24: 9,319,050 km (0.112 R)
• M25: 9,469,246 km (0.088 R)
• M26: 9,696,036 km (0.106 R)
• M27: 10,039,663 km (0.112 R)
• M28: 10,426,224 km (0.107 R)
• M29: 11,615,227 km (0.118 R)
• M30: 12,062,076 km (0.103 R)
• M31: 12,349,304 km (0.066 R)
• M32: 13,478,469 km (0.078 R)
• M33: 13,862,187 km (0.077 R)
• M34: 14,553,330 km (0.097 R)
• M35: 15,035,035 km (0.098 R)
• M36: 15,924,394 km (0.114 R)
• M37: 17,105,918 km (0.088 R)
• M38: 17,244,147 km (0.057 R)
• M39: 17,567,876 km (0.112 R)
• M40: 18,551,482 km (0.086 R)
• M41: 18,788,296 km (0.102 R)
• M42: 20,084,412 km (0.102 R)
• M43: 20,571,802 km (0.1 R)
• M44: 21,707,698 km (0.112 R)
• M45: 21,907,262 km (0.105 R)
• M46: 22,258,069 km (0.116 R)
• M47: 22,610,821 km (0.087 R)
• M48: 22,711,949 km (0.068 R)
• M49: 23,937,006 km (0.116 R)
• M50: 24,505,627 km (0.087 R)
• M51: 24,817,688 km (0.092 R)
• M52: 25,026,527 km (0.059 R)
• M53: 25,340,683 km (0.066 R)
• M54: 25,445,850 km (0.1 R)
• M55: 26,132,205 km (0.071 R)
• M56: 26,504,255 km (0.096 R)
• M57: 26,878,100 km (0.084 R)
• M58: 27,415,306 km (0.038 R)
• M59: 27,685,180 km (0.108 R)
• M60: 28,445,586 km (0.085 R)
• M61: 28,664,149 km (0.102 R)
• M62: 29,765,189 km (0.089 R)
• M63: 30,098,194 km (0.089 R)
• M64: 30,432,545 km (0.102 R)
• M65: 30,936,241 km (0.087 R)
• M66: 31,951,861 km (0.098 R)
• M67: 32,463,935 km (0.098 R)
• M68: 33,438,415 km (0.096 R)
• M69: 33,726,840 km (0.103 R)
• M70: 34,422,470 km (0.116 R)
• M71: 34,771,931 km (0.11 R)
• M72: 34,888,767 km (0.088 R)
• M73: 35,064,245 km (0.102 R)
• M74: 35,240,022 km (0.108 R)
• M75: 35,945,825 km (0.119 R)
• M76: 36,419,003 km (0.081 R)
• M77: 37,132,585 km (0.065 R)
• M78: 37,431,332 km (0.051 R)
• M79: 37,730,827 km (0.077 R)
• M80: 38,815,711 km (0.095 R)
• M81: 39,788,695 km (0.115 R)
• M82: 40,585,005 km (0.093 R)
• M83: 40,831,093 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.2

Radius: 9.4

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 8.71 AU - 10.61 AU

Year: 11496 Days

Day: 7.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 100,531,059 km

• M1: 119,828 km (0.119 R)
• M2: 194,627 km (0.096 R)
• M3: 355,145 km (0.078 R)
• M4: 413,638 km (0.102 R)
• M5: 613,351 km (0.075 R)
• M6: 687,103 km (0.083 R)
• M7: 803,939 km (0.086 R)
• M8: 1,133,802 km (0.115 R)
• M9: 1,289,982 km (0.063 R)
• M10: 1,929,214 km (0.049 R)
• M11: 2,060,112 km (0.109 R)
• M12: 2,136,407 km (0.08 R)
• M13: 2,331,034 km (0.09 R)
• M14: 2,390,724 km (0.039 R)
• M15: 2,738,090 km (0.117 R)
• M16: 2,949,920 km (0.097 R)
• M17: 3,014,547 km (0.096 R)
• M18: 3,101,463 km (0.054 R)
• M19: 3,617,576 km (0.115 R)
• M20: 3,756,702 km (0.061 R)
• M21: 3,921,259 km (0.053 R)
• M22: 3,992,468 km (0.053 R)
• M23: 4,208,936 km (0.101 R)
• M24: 4,478,661 km (0.084 R)
• M25: 4,779,353 km (0.057 R)
• M26: 5,374,154 km (0.109 R)
• M27: 6,129,623 km (0.092 R)
• M28: 6,632,870 km (0.108 R)
• M29: 6,775,138 km (0.058 R)
• M30: 7,589,848 km (0.113 R)
• M31: 7,649,238 km (0.084 R)
• M32: 8,558,644 km (0.1 R)
• M33: 8,806,827 km (0.085 R)
• M34: 9,025,988 km (0.062 R)
• M35: 9,405,966 km (0.044 R)
• M36: 9,598,050 km (0.109 R)
• M37: 9,920,882 km (0.116 R)
• M38: 10,345,890 km (0.111 R)
• M39: 11,179,898 km (0.091 R)
• M40: 11,485,526 km (0.104 R)
• M41: 12,104,861 km (0.073 R)
• M42: 12,735,117 km (0.114 R)
• M43: 13,018,755 km (0.074 R)
• M44: 13,918,287 km (0.105 R)
• M45: 14,173,650 km (0.105 R)
• M46: 14,689,314 km (0.098 R)
• M47: 15,061,364 km (0.068 R)
• M48: 15,700,895 km (0.105 R)
• M49: 15,966,880 km (0.11 R)
• M50: 16,119,619 km (0.106 R)
• M51: 17,358,140 km (0.099 R)
• M52: 17,475,874 km (0.105 R)
• M53: 17,672,595 km (0.062 R)
• M54: 18,627,179 km (0.087 R)
• M55: 18,908,722 km (0.073 R)
• M56: 18,989,355 km (0.071 R)
• M57: 19,272,843 km (0.092 R)
• M58: 19,394,766 km (0.095 R)
• M59: 20,213,814 km (0.111 R)
• M60: 20,586,013 km (0.091 R)
• M61: 21,127,857 km (0.069 R)
• M62: 21,253,519 km (0.065 R)
• M63: 22,055,364 km (0.108 R)
• M64: 22,781,063 km (0.118 R)
• M65: 22,867,082 km (0.11 R)
• M66: 23,211,755 km (0.104 R)
• M67: 23,341,457 km (0.063 R)
• M68: 23,993,554 km (0.112 R)
• M69: 24,212,266 km (0.105 R)
• M70: 24,431,726 km (0.077 R)
• M71: 24,607,653 km (0.075 R)
• M72: 24,872,441 km (0.091 R)
• M73: 25,583,031 km (0.106 R)
• M74: 25,672,341 km (0.06 R)
• M75: 26,075,507 km (0.075 R)
• M76: 27,069,735 km (0.036 R)
• M77: 27,343,200 km (0.101 R)
• M78: 28,306,909 km (0.076 R)
• M79: 28,630,788 km (0.066 R)
• M80: 28,769,915 km (0.103 R)
• M81: 29,515,660 km (0.084 R)
• M82: 30,032,072 km (0.067 R)
• M83: 30,362,384 km (0.086 R)
• M84: 31,599,259 km (0.111 R)
• M85: 31,695,151 km (0.103 R)
• M86: 32,223,980 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 712.7

Radius: 7.4

Gravity: 13.01 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 15.58 AU - 20.86 AU

Year: 29778 Days

Day: 17.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 100,531,059 km

• M1: 127,607 km (0.099 R)
• M2: 1,050,775 km (0.051 R)
• M3: 1,568,234 km (0.105 R)
• M4: 2,493,797 km (0.092 R)
• M5: 4,060,236 km (0.1 R)
• M6: 5,185,212 km (0.079 R)
• M7: 5,810,680 km (0.072 R)
• M8: 6,044,053 km (0.085 R)
• M9: 6,221,177 km (0.099 R)
• M10: 6,520,074 km (0.078 R)
• M11: 7,826,362 km (0.094 R)
• M12: 7,954,867 km (0.054 R)
• M13: 8,542,038 km (0.097 R)
• M14: 10,244,911 km (0.099 R)
• M15: 10,597,962 km (0.105 R)
• M16: 11,243,178 km (0.084 R)
• M17: 11,534,145 km (0.088 R)
• M18: 12,049,061 km (0.047 R)
• M19: 13,025,487 km (0.08 R)
• M20: 13,716,180 km (0.109 R)
• M21: 14,340,153 km (0.043 R)
• M22: 14,655,505 km (0.083 R)
• M23: 14,973,251 km (0.12 R)
• M24: 15,696,557 km (0.066 R)
• M25: 17,010,175 km (0.08 R)
• M26: 17,595,851 km (0.113 R)
• M27: 18,615,361 km (0.102 R)
• M28: 18,787,249 km (0.094 R)
• M29: 20,180,304 km (0.044 R)
• M30: 20,445,092 km (0.09 R)
• M31: 20,978,409 km (0.079 R)
• M32: 21,606,271 km (0.085 R)
• M33: 22,422,626 km (0.119 R)
• M34: 22,514,031 km (0.05 R)
• M35: 23,156,853 km (0.112 R)
• M36: 23,434,207 km (0.12 R)
• M37: 23,898,858 km (0.108 R)
• M38: 25,310,913 km (0.047 R)
• M39: 31,019,866 km (0.073 R)
• M40: 31,940,043 km (0.101 R)
• M41: 32,455,108 km (0.045 R)
• M42: 32,661,853 km (0.071 R)
• M43: 33,076,688 km (0.084 R)
• M44: 34,437,280 km (0.101 R)
• M45: 35,389,770 km (0.115 R)
• M46: 36,136,562 km (0.082 R)
• M47: 36,458,198 km (0.03 R)
• M48: 36,673,170 km (0.098 R)
• M49: 37,320,630 km (0.118 R)
• M50: 37,863,071 km (0.062 R)
• M51: 38,189,793 km (0.107 R)
• M52: 39,948,017 km (0.113 R)
• M53: 42,634,346 km (0.095 R)
• M54: 43,315,016 km (0.108 R)
• M55: 44,572,237 km (0.057 R)
• M56: 45,378,569 km (0.061 R)
• M57: 46,655,238 km (0.05 R)
• M58: 49,125,248 km (0.119 R)
• M59: 49,957,910 km (0.072 R)
• M60: 51,637,445 km (0.078 R)
• M61: 53,091,536 km (0.105 R)
• M62: 55,174,687 km (0.104 R)
• M63: 59,926,663 km (0.1 R)
• M64: 61,582,113 km (0.099 R)
• M65: 63,640,281 km (0.07 R)
• M66: 64,938,042 km (0.055 R)
• M67: 66,113,433 km (0.118 R)
• M68: 66,638,222 km (0.115 R)
• M69: 67,296,004 km (0.075 R)
• M70: 69,415,357 km (0.063 R)
• M71: 70,750,967 km (0.066 R)
• M72: 73,041,011 km (0.067 R)
• M73: 73,176,546 km (0.114 R)
• M74: 73,447,767 km (0.117 R)
• M75: 74,672,226 km (0.069 R)
• M76: 75,629,204 km (0.047 R)
• M77: 76,040,598 km (0.057 R)
• M78: 76,590,220 km (0.084 R)
• M79: 77,970,261 km (0.06 R)
• M80: 80,474,828 km (0.084 R)
• M81: 80,894,899 km (0.054 R)
• M82: 81,175,245 km (0.073 R)
• M83: 81,315,568 km (0.11 R)
• M84: 84,565,283 km (0.085 R)
• M85: 87,137,917 km (0.065 R)
• M86: 88,289,522 km (0.056 R)
• M87: 89,301,402 km (0.074 R)
• M88: 89,881,243 km (0.1 R)
• M89: 91,482,539 km (0.032 R)
• M90: 92,067,018 km (0.111 R)
• M91: 92,652,843 km (0.1 R)
• M92: 93,533,974 km (0.112 R)
• M93: 93,681,029 km (0.086 R)
• M94: 94,417,799 km (0.115 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: 381 - 15,428 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit