🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.9

Radius: 13.5

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.63 AU - 0.95 AU

Year: 468 Days

Day: 7.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,813,963 km

• M1: 167,849 km (0.069 R)
• M2: 598,691 km (0.071 R)
• M3: 1,032,375 km (0.094 R)
• M4: 1,501,364 km (0.027 R)
• M5: 2,354,820 km (0.085 R)
• M6: 2,937,205 km (0.097 R)
• M7: 3,963,596 km (0.103 R)
• M8: 4,424,357 km (0.107 R)
• M9: 4,953,335 km (0.101 R)
• M10: 5,437,583 km (0.109 R)
• M11: 6,560,764 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982

Radius: 9.3

Gravity: 11.35 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.94 AU - 1.24 AU

Year: 759 Days

Day: 14.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,813,963 km

• M1: 115,789 km (0.107 R)
• M2: 435,180 km (0.059 R)
• M3: 1,214,436 km (0.072 R)
• M4: 1,516,623 km (0.098 R)
• M5: 1,842,148 km (0.03 R)
• M6: 2,131,919 km (0.088 R)
• M7: 2,684,235 km (0.07 R)
• M8: 3,673,525 km (0.09 R)
• M9: 4,235,116 km (0.087 R)
• M10: 4,571,262 km (0.12 R)
• M11: 4,870,907 km (0.094 R)
• M12: 5,569,080 km (0.025 R)
• M13: 6,418,796 km (0.1 R)
• M14: 6,818,222 km (0.053 R)
• M15: 8,906,010 km (0.112 R)
• M16: 9,347,174 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.1

Radius: 10.8

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.13 AU - 1.57 AU

Year: 1046 Days

Day: 8.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,813,963 km

• M1: 135,087 km (0.079 R)
• M2: 519,853 km (0.029 R)
• M3: 922,121 km (0.069 R)
• M4: 1,821,952 km (0.082 R)
• M5: 2,190,861 km (0.087 R)
• M6: 2,555,880 km (0.06 R)
• M7: 3,269,013 km (0.068 R)
• M8: 4,275,806 km (0.103 R)
• M9: 5,089,020 km (0.055 R)
• M10: 6,437,047 km (0.111 R)
• M11: 7,107,395 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.9

Radius: 11.3

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.27 AU - 1.81 AU

Year: 1274 Days

Day: 13.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 72,813,963 km

• M1: 173,982 km (0.108 R)
• M2: 593,455 km (0.059 R)
• M3: 1,424,920 km (0.061 R)
• M4: 2,204,025 km (0.103 R)
• M5: 2,703,682 km (0.116 R)
• M6: 3,158,759 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.3

Radius: 14.9

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.88 AU - 4.58 AU

Year: 5801 Days

Day: 12.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,813,963 km

• M1: 186,549 km (0.055 R)
• M2: 675,883 km (0.08 R)
• M3: 1,788,143 km (0.12 R)
• M4: 2,257,432 km (0.047 R)
• M5: 3,398,265 km (0.094 R)
• M6: 4,195,023 km (0.037 R)
• M7: 4,824,681 km (0.08 R)
• M8: 5,780,013 km (0.065 R)
• M9: 7,163,494 km (0.099 R)
• M10: 8,066,916 km (0.086 R)
• M11: 10,417,846 km (0.069 R)
• M12: 10,946,375 km (0.093 R)
• M13: 11,794,446 km (0.112 R)
• M14: 13,008,283 km (0.064 R)
• M15: 16,873,293 km (0.073 R)
• M16: 18,887,629 km (0.105 R)
• M17: 20,611,146 km (0.083 R)
• M18: 21,511,127 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.6

Radius: 11.7

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.77 AU - 5.67 AU

Year: 6838 Days

Day: 10.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 72,813,963 km

• M1: 176,974 km (0.116 R)
• M2: 615,146 km (0.104 R)
• M3: 1,366,427 km (0.09 R)
• M4: 3,729,176 km (0.093 R)
• M5: 4,239,304 km (0.117 R)
• M6: 5,061,494 km (0.045 R)
• M7: 5,655,697 km (0.076 R)
• M8: 6,054,824 km (0.088 R)
• M9: 7,288,857 km (0.117 R)
• M10: 7,883,808 km (0.091 R)
• M11: 8,814,755 km (0.114 R)
• M12: 11,673,720 km (0.076 R)
• M13: 12,769,225 km (0.108 R)
• M14: 14,052,027 km (0.064 R)
• M15: 14,600,902 km (0.093 R)
• M16: 16,134,729 km (0.116 R)
• M17: 18,925,926 km (0.093 R)
• M18: 20,982,747 km (0.111 R)
• M19: 23,016,231 km (0.111 R)
• M20: 24,471,968 km (0.101 R)
• M21: 25,897,336 km (0.032 R)
• M22: 27,377,308 km (0.105 R)
• M23: 28,815,392 km (0.048 R)
• M24: 29,801,541 km (0.113 R)
• M25: 31,117,255 km (0.062 R)
• M26: 32,050,446 km (0.114 R)
• M27: 32,471,115 km (0.091 R)
• M28: 33,755,413 km (0.076 R)
• M29: 36,883,505 km (0.119 R)
• M30: 39,473,044 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.8

Radius: 11

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.71 AU - 6.67 AU

Year: 9051 Days

Day: 14.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,813,963 km

• M1: 136,732 km (0.112 R)
• M2: 654,341 km (0.098 R)
• M3: 1,050,626 km (0.094 R)
• M4: 1,440,927 km (0.109 R)
• M5: 2,738,090 km (0.087 R)
• M6: 3,132,879 km (0.075 R)
• M7: 3,494,756 km (0.098 R)
• M8: 4,609,110 km (0.081 R)
• M9: 5,295,316 km (0.109 R)
• M10: 7,174,415 km (0.077 R)
• M11: 9,369,614 km (0.091 R)
• M12: 11,026,859 km (0.04 R)
• M13: 13,451,093 km (0.073 R)
• M14: 14,047,988 km (0.097 R)
• M15: 17,723,159 km (0.076 R)
• M16: 24,192,968 km (0.095 R)
• M17: 30,833,168 km (0.025 R)
• M18: 32,292,944 km (0.095 R)
• M19: 34,126,865 km (0.096 R)
• M20: 36,602,111 km (0.118 R)
• M21: 37,883,566 km (0.098 R)
• M22: 40,906,640 km (0.056 R)
• M23: 42,159,822 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 785.1

Radius: 7.9

Gravity: 12.58 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 6.25 AU - 9.95 AU

Year: 15373 Days

Day: 17.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 72,813,963 km

• M1: 98,286 km (0.097 R)
• M2: 381,923 km (0.102 R)
• M3: 1,115,851 km (0.073 R)
• M4: 1,642,734 km (0.062 R)
• M5: 1,954,197 km (0.116 R)
• M6: 2,629,033 km (0.116 R)
• M7: 3,032,947 km (0.08 R)
• M8: 3,905,552 km (0.119 R)
• M9: 4,497,660 km (0.047 R)
• M10: 4,798,202 km (0.028 R)
• M11: 5,365,926 km (0.12 R)
• M12: 5,781,509 km (0.114 R)
• M13: 7,709,676 km (0.108 R)
• M14: 9,158,382 km (0.058 R)
• M15: 10,662,439 km (0.113 R)
• M16: 14,799,568 km (0.067 R)
• M17: 18,761,069 km (0.105 R)
• M18: 19,366,791 km (0.026 R)
• M19: 22,982,571 km (0.107 R)
• M20: 23,675,957 km (0.099 R)
• M21: 26,266,693 km (0.107 R)
• M22: 28,584,114 km (0.046 R)
• M23: 30,085,029 km (0.061 R)
• M24: 30,438,828 km (0.12 R)
• M25: 32,372,231 km (0.102 R)
• M26: 34,514,772 km (0.116 R)
• M27: 36,616,024 km (0.101 R)
• M28: 37,019,190 km (0.106 R)
• M29: 38,801,050 km (0.056 R)
• M30: 39,080,200 km (0.11 R)
• M31: 43,279,262 km (0.081 R)
• M32: 44,488,462 km (0.118 R)
• M33: 45,255,450 km (0.114 R)
• M34: 49,060,771 km (0.089 R)
• M35: 54,808,920 km (0.084 R)
• M36: 65,031,092 km (0.066 R)
• M37: 66,416,817 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 714.2

Radius: 3.5

Gravity: 58.3 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 8.27 AU - 9.95 AU

Year: 18336 Days

Day: 24.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 72,813,963 km

• M1: 43,982 km (0.068 R)
• M2: 550,520 km (0.081 R)
• M3: 787,184 km (0.108 R)
• M4: 1,049,579 km (0.063 R)
• M5: 2,149,123 km (0.05 R)
• M6: 3,163,546 km (0.077 R)
• M7: 5,669,311 km (0.108 R)
• M8: 9,304,539 km (0.101 R)
• M9: 9,753,482 km (0.104 R)
• M10: 10,394,210 km (0.102 R)
• M11: 10,877,411 km (0.062 R)
• M12: 11,438,702 km (0.056 R)
• M13: 11,630,038 km (0.086 R)
• M14: 12,150,638 km (0.112 R)
• M15: 13,098,939 km (0.109 R)
• M16: 13,733,982 km (0.12 R)
• M17: 13,877,895 km (0.055 R)
• M18: 14,168,564 km (0.036 R)
• M19: 15,527,361 km (0.087 R)
• M20: 16,318,585 km (0.082 R)
• M21: 19,570,393 km (0.106 R)
• M22: 22,225,456 km (0.118 R)
• M23: 23,127,382 km (0.095 R)
• M24: 24,684,247 km (0.086 R)
• M25: 28,938,212 km (0.102 R)
• M26: 30,866,529 km (0.098 R)
• M27: 31,113,365 km (0.095 R)
• M28: 32,750,564 km (0.116 R)
• M29: 32,878,770 km (0.09 R)
• M30: 39,437,290 km (0.116 R)
• M31: 42,105,517 km (0.106 R)
• M32: 51,517,617 km (0.069 R)
• M33: 59,526,040 km (0.105 R)
• M34: 64,426,118 km (0.114 R)
• M35: 66,049,105 km (0.088 R)
• M36: 67,491,528 km (0.088 R)
• M37: 69,165,379 km (0.115 R)
• M38: 70,438,905 km (0.107 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 12,103 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit