🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.9

Radius: 12.8

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.54 AU - 0.74 AU

Year: 347 Days

Day: 5.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 87,151,805 km

• M1: 159,172 km (0.102 R)
• M2: 657,483 km (0.103 R)
• M3: 1,174,792 km (0.109 R)
• M4: 1,656,348 km (0.075 R)
• M5: 2,229,158 km (0.095 R)
• M6: 2,691,714 km (0.12 R)
• M7: 3,457,207 km (0.045 R)
• M8: 3,861,869 km (0.039 R)
• M9: 4,643,817 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.4

Radius: 11.7

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.5 AU - 0.8 AU

Year: 355 Days

Day: 9.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 87,151,805 km

• M1: 145,559 km (0.115 R)
• M2: 551,268 km (0.065 R)
• M3: 951,742 km (0.101 R)
• M4: 1,488,648 km (0.106 R)
• M5: 1,855,762 km (0.115 R)
• M6: 2,475,845 km (0.104 R)
• M7: 2,956,054 km (0.062 R)
• M8: 3,403,052 km (0.1 R)
• M9: 3,946,990 km (0.105 R)
• M10: 4,664,162 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.1

Radius: 14.9

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.86 AU - 0.94 AU

Year: 579 Days

Day: 12.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 87,151,805 km

• M1: 189,391 km (0.032 R)
• M2: 658,081 km (0.069 R)
• M3: 1,128,566 km (0.071 R)
• M4: 1,987,258 km (0.044 R)
• M5: 2,529,550 km (0.034 R)
• M6: 3,422,500 km (0.065 R)
• M7: 3,955,218 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.5

Radius: 12.8

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.8 AU - 1.18 AU

Year: 668 Days

Day: 8.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,151,805 km

• M1: 159,322 km (0.07 R)
• M2: 633,248 km (0.058 R)
• M3: 1,076,506 km (0.068 R)
• M4: 1,669,662 km (0.08 R)
• M5: 2,319,964 km (0.104 R)
• M6: 2,938,252 km (0.077 R)
• M7: 3,499,393 km (0.087 R)
• M8: 3,907,646 km (0.116 R)
• M9: 4,703,955 km (0.099 R)
• M10: 5,167,858 km (0.092 R)
• M11: 6,108,231 km (0.063 R)
• M12: 7,181,745 km (0.05 R)
• M13: 8,084,718 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.7

Radius: 14.7

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.22 AU - 1.7 AU

Year: 1197 Days

Day: 6.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 87,151,805 km

• M1: 182,809 km (0.115 R)
• M2: 739,612 km (0.109 R)
• M3: 1,478,027 km (0.06 R)
• M4: 2,809,149 km (0.054 R)
• M5: 3,696,264 km (0.094 R)
• M6: 4,692,885 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.3

Radius: 12.8

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.38 AU - 1.56 AU

Year: 1209 Days

Day: 13.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,151,805 km

• M1: 159,172 km (0.068 R)
• M2: 704,157 km (0.098 R)
• M3: 1,150,408 km (0.105 R)
• M4: 3,421,004 km (0.117 R)
• M5: 5,169,953 km (0.055 R)
• M6: 5,730,945 km (0.101 R)
• M7: 6,828,544 km (0.074 R)
• M8: 7,350,940 km (0.116 R)
• M9: 7,846,558 km (0.103 R)
• M10: 9,198,623 km (0.062 R)
• M11: 10,310,584 km (0.102 R)
• M12: 11,649,037 km (0.061 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673

Radius: 11.5

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.04 AU - 3.1 AU

Year: 3648 Days

Day: 11.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 87,151,805 km

• M1: 143,016 km (0.119 R)
• M2: 525,537 km (0.119 R)
• M3: 965,654 km (0.081 R)
• M4: 1,501,813 km (0.05 R)
• M5: 2,106,637 km (0.112 R)
• M6: 3,148,287 km (0.098 R)
• M7: 4,765,141 km (0.041 R)
• M8: 6,663,538 km (0.033 R)
• M9: 7,096,624 km (0.106 R)
• M10: 7,985,385 km (0.117 R)
• M11: 9,095,700 km (0.114 R)
• M12: 10,306,097 km (0.094 R)
• M13: 10,971,358 km (0.094 R)
• M14: 11,532,949 km (0.077 R)
• M15: 12,341,824 km (0.044 R)
• M16: 14,072,971 km (0.07 R)
• M17: 16,625,709 km (0.104 R)
• M18: 17,309,222 km (0.069 R)
• M19: 18,011,434 km (0.083 R)
• M20: 19,535,238 km (0.027 R)
• M21: 21,676,133 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.8

Radius: 9.9

Gravity: 9.83 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.75 AU - 4.55 AU

Year: 4730 Days

Day: 11.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 87,151,805 km

• M1: 188,045 km (0.063 R)
• M2: 1,411,157 km (0.102 R)
• M3: 2,020,469 km (0.073 R)
• M4: 2,329,239 km (0.048 R)
• M5: 2,778,481 km (0.074 R)
• M6: 3,517,046 km (0.097 R)
• M7: 3,944,597 km (0.102 R)
• M8: 5,013,922 km (0.095 R)
• M9: 5,556,813 km (0.117 R)
• M10: 5,888,771 km (0.11 R)
• M11: 8,839,289 km (0.084 R)
• M12: 9,209,245 km (0.09 R)
• M13: 11,074,581 km (0.069 R)
• M14: 12,552,608 km (0.079 R)
• M15: 13,826,434 km (0.08 R)
• M16: 14,779,522 km (0.103 R)
• M17: 15,360,410 km (0.092 R)
• M18: 18,295,969 km (0.083 R)
• M19: 22,638,197 km (0.104 R)
• M20: 23,021,916 km (0.115 R)
• M21: 23,409,972 km (0.087 R)
• M22: 27,709,415 km (0.105 R)
• M23: 29,494,417 km (0.119 R)
• M24: 31,070,879 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 757.9

Radius: 8

Gravity: 11.84 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 10.5 AU - 10.64 AU

Year: 23308 Days

Day: 23.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 87,151,805 km

• M1: 102,923 km (0.118 R)
• M2: 381,624 km (0.107 R)
• M3: 882,927 km (0.072 R)
• M4: 1,273,078 km (0.065 R)
• M5: 2,093,473 km (0.082 R)
• M6: 2,403,140 km (0.091 R)
• M7: 2,743,326 km (0.108 R)
• M8: 3,060,324 km (0.087 R)
• M9: 3,551,304 km (0.059 R)
• M10: 3,928,590 km (0.06 R)
• M11: 4,194,874 km (0.088 R)
• M12: 6,099,255 km (0.114 R)
• M13: 7,979,401 km (0.075 R)
• M14: 8,795,756 km (0.117 R)
• M15: 10,850,932 km (0.101 R)
• M16: 12,552,757 km (0.112 R)
• M17: 14,036,768 km (0.115 R)
• M18: 16,220,897 km (0.038 R)
• M19: 17,797,060 km (0.094 R)
• M20: 18,252,287 km (0.089 R)
• M21: 20,746,233 km (0.098 R)
• M22: 21,352,553 km (0.099 R)
• M23: 21,970,542 km (0.091 R)
• M24: 27,471,555 km (0.095 R)
• M25: 30,993,986 km (0.119 R)
• M26: 31,919,398 km (0.096 R)
• M27: 33,686,748 km (0.117 R)
• M28: 39,072,570 km (0.072 R)
• M29: 39,841,803 km (0.063 R)
• M30: 42,049,119 km (0.107 R)
• M31: 48,273,139 km (0.084 R)
• M32: 50,416,577 km (0.116 R)
• M33: 61,883,403 km (0.059 R)
• M34: 62,508,872 km (0.106 R)
• M35: 63,560,695 km (0.093 R)
• M36: 82,787,162 km (0.225 R)
• M37: 84,310,518 km (0.054 R)
• M38: 87,151,830 km (0.084 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 15,006 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit