🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.45 AU - 0.57 AU

Year: 235 Days

Day: 39.4 Hours

Environment

Temp: -120 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,254,532 km

• M1: 91,404 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854

Radius: 8

Gravity: 13.34 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.64 AU - 0.72 AU

Year: 362 Days

Day: 10 Hours

Environment

Temp: -138 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,254,532 km

• M1: 99,483 km (0.091 R)
• M2: 531,372 km (0.073 R)
• M3: 809,624 km (0.064 R)
• M4: 1,752,838 km (0.108 R)
• M5: 2,248,306 km (0.093 R)
• M6: 2,602,105 km (0.027 R)
• M7: 2,854,926 km (0.057 R)
• M8: 3,602,766 km (0.114 R)
• M9: 3,918,118 km (0.087 R)
• M10: 4,575,301 km (0.115 R)
• M11: 5,006,742 km (0.11 R)
• M12: 5,464,960 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176

Radius: 9.2

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.26 AU - 1.26 AU

Year: 913 Days

Day: 10.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,254,532 km

• M1: 133,740 km (0.089 R)
• M2: 452,534 km (0.101 R)
• M3: 1,366,427 km (0.081 R)
• M4: 1,711,848 km (0.114 R)
• M5: 2,992,556 km (0.104 R)
• M6: 3,507,771 km (0.112 R)
• M7: 3,878,774 km (0.104 R)
• M8: 4,462,654 km (0.115 R)
• M9: 4,868,064 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.9

Radius: 11.9

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.16 AU - 3.42 AU

Year: 3009 Days

Day: 11.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 170.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,254,532 km

• M1: 147,952 km (0.116 R)
• M2: 593,156 km (0.109 R)
• M3: 1,185,862 km (0.042 R)
• M4: 1,655,001 km (0.077 R)
• M5: 2,741,082 km (0.109 R)
• M6: 3,169,380 km (0.065 R)
• M7: 3,560,280 km (0.032 R)
• M8: 6,025,653 km (0.102 R)
• M9: 6,407,875 km (0.084 R)
• M10: 6,806,254 km (0.108 R)
• M11: 7,461,942 km (0.055 R)
• M12: 9,333,860 km (0.084 R)
• M13: 9,781,756 km (0.106 R)
• M14: 10,583,301 km (0.088 R)
• M15: 11,830,050 km (0.103 R)
• M16: 12,508,177 km (0.098 R)
• M17: 12,974,474 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.6

Radius: 11.8

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.02 AU - 3.98 AU

Year: 4228 Days

Day: 5.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,254,532 km

• M1: 146,756 km (0.095 R)
• M2: 739,313 km (0.105 R)
• M3: 1,155,943 km (0.032 R)
• M4: 1,584,989 km (0.12 R)
• M5: 2,357,363 km (0.066 R)
• M6: 2,884,696 km (0.043 R)
• M7: 4,752,276 km (0.068 R)
• M8: 5,187,456 km (0.056 R)
• M9: 8,124,361 km (0.1 R)
• M10: 8,748,783 km (0.052 R)
• M11: 14,474,192 km (0.083 R)
• M12: 14,856,265 km (0.109 R)
• M13: 15,343,356 km (0.083 R)
• M14: 17,940,225 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.9

Radius: 12.6

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.65 AU - 5.17 AU

Year: 5980 Days

Day: 7.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,254,532 km

• M1: 156,629 km (0.093 R)
• M2: 774,917 km (0.105 R)
• M3: 1,398,142 km (0.063 R)
• M4: 2,295,879 km (0.109 R)
• M5: 2,750,656 km (0.088 R)
• M6: 3,285,169 km (0.116 R)
• M7: 3,999,649 km (0.112 R)
• M8: 4,394,587 km (0.108 R)
• M9: 4,996,718 km (0.112 R)
• M10: 6,681,639 km (0.092 R)
• M11: 7,866,305 km (0.075 R)
• M12: 9,753,931 km (0.096 R)
• M13: 10,301,758 km (0.06 R)
• M14: 11,832,444 km (0.112 R)
• M15: 12,358,729 km (0.118 R)
• M16: 12,950,688 km (0.112 R)
• M17: 14,731,052 km (0.112 R)
• M18: 15,794,394 km (0.114 R)
• M19: 16,610,001 km (0.084 R)
• M20: 20,495,806 km (0.06 R)
• M21: 28,622,261 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 419.8

Radius: 6.8

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.62 AU - 7.68 AU

Year: 9848 Days

Day: 18.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,254,532 km

• M1: 84,523 km (0.09 R)
• M2: 315,203 km (0.091 R)
• M3: 1,248,245 km (0.061 R)
• M4: 1,610,122 km (0.111 R)
• M5: 2,256,534 km (0.094 R)
• M6: 2,896,963 km (0.091 R)
• M7: 3,128,391 km (0.11 R)
• M8: 3,394,824 km (0.088 R)
• M9: 3,628,347 km (0.069 R)
• M10: 5,081,391 km (0.079 R)
• M11: 8,343,971 km (0.112 R)
• M12: 10,140,192 km (0.059 R)
• M13: 12,179,810 km (0.089 R)
• M14: 12,673,782 km (0.079 R)
• M15: 35,331,876 km (0.058 R)
• M16: 39,461,226 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 531.1

Radius: 3.9

Gravity: 34.92 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 6.17 AU - 7.35 AU

Year: 11348 Days

Day: 22.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,254,532 km

• M1: 48,619 km (0.114 R)
• M2: 237,262 km (0.039 R)
• M3: 408,851 km (0.096 R)
• M4: 1,168,210 km (0.042 R)
• M5: 1,315,115 km (0.08 R)
• M6: 2,318,917 km (0.068 R)
• M7: 3,227,873 km (0.111 R)
• M8: 4,097,785 km (0.039 R)
• M9: 6,974,103 km (0.099 R)
• M10: 7,796,143 km (0.115 R)
• M11: 8,011,265 km (0.114 R)
• M12: 11,455,008 km (0.114 R)
• M13: 13,131,701 km (0.106 R)
• M14: 14,186,964 km (0.115 R)
• M15: 15,567,005 km (0.054 R)
• M16: 17,469,591 km (0.078 R)
• M17: 19,129,977 km (0.117 R)
• M18: 19,679,600 km (0.107 R)
• M19: 23,735,348 km (0.093 R)
• M20: 26,148,810 km (0.042 R)
• M21: 27,513,592 km (0.106 R)
• M22: 32,998,897 km (0.097 R)
• M23: 37,317,039 km (0.102 R)
• M24: 37,560,585 km (0.072 R)
• M25: 39,927,821 km (0.113 R)
• M26: 43,325,638 km (0.114 R)
• M27: 44,272,293 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 857.1

Radius: 6

Gravity: 23.81 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 7.27 AU - 8.67 AU

Year: 14528 Days

Day: 18.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 71.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,254,532 km

• M1: 74,649 km (0.1 R)
• M2: 321,037 km (0.098 R)
• M3: 636,389 km (0.117 R)
• M4: 1,159,084 km (0.103 R)
• M5: 1,558,810 km (0.099 R)
• M6: 3,188,080 km (0.081 R)
• M7: 3,880,718 km (0.057 R)
• M8: 4,471,032 km (0.101 R)
• M9: 4,873,450 km (0.048 R)
• M10: 7,393,576 km (0.118 R)
• M11: 13,188,548 km (0.118 R)
• M12: 13,460,368 km (0.086 R)
• M13: 14,441,131 km (0.103 R)
• M14: 18,586,937 km (0.074 R)
• M15: 23,661,147 km (0.082 R)
• M16: 26,567,535 km (0.073 R)
• M17: 33,579,037 km (0.053 R)
• M18: 35,900,647 km (0.101 R)
• M19: 41,293,799 km (0.061 R)
• M20: 44,867,543 km (0.047 R)
• M21: 55,570,523 km (0.099 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 443 - 12,649 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit