🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.1

Radius: 8.7

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.52 AU - 0.54 AU

Year: 262 Days

Day: 6 Hours

Environment

Temp: -145 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 91,730,555 km

• M1: 108,608 km (0.067 R)
• M2: 553,213 km (0.093 R)
• M3: 861,235 km (0.057 R)
• M4: 1,371,513 km (0.116 R)
• M5: 1,710,652 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.2

Radius: 11.5

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.62 AU - 0.88 AU

Year: 441 Days

Day: 8.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 91,730,555 km

• M1: 143,464 km (0.062 R)
• M2: 599,289 km (0.108 R)
• M3: 1,028,635 km (0.069 R)
• M4: 1,409,062 km (0.106 R)
• M5: 1,835,715 km (0.109 R)
• M6: 2,390,873 km (0.084 R)
• M7: 2,966,376 km (0.095 R)
• M8: 3,335,584 km (0.117 R)
• M9: 3,828,808 km (0.103 R)
• M10: 4,566,475 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.5

Radius: 9.3

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.9 AU - 1.48 AU

Year: 880 Days

Day: 8.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 91,730,555 km

• M1: 192,233 km (0.084 R)
• M2: 482,304 km (0.074 R)
• M3: 1,064,538 km (0.089 R)
• M4: 1,381,536 km (0.05 R)
• M5: 1,874,461 km (0.118 R)
• M6: 2,646,686 km (0.114 R)
• M7: 2,938,850 km (0.066 R)
• M8: 4,222,250 km (0.112 R)
• M9: 4,740,457 km (0.064 R)
• M10: 5,391,806 km (0.034 R)
• M11: 6,386,034 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.7

Radius: 9.8

Gravity: 10.06 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.46 AU - 1.6 AU

Year: 1284 Days

Day: 10.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,730,555 km

• M1: 121,922 km (0.033 R)
• M2: 449,093 km (0.038 R)
• M3: 963,560 km (0.088 R)
• M4: 1,276,519 km (0.082 R)
• M5: 1,795,922 km (0.103 R)
• M6: 2,527,905 km (0.108 R)
• M7: 3,123,454 km (0.025 R)
• M8: 4,072,054 km (0.06 R)
• M9: 4,771,125 km (0.082 R)
• M10: 5,351,565 km (0.098 R)
• M11: 6,830,190 km (0.083 R)
• M12: 8,098,481 km (0.115 R)
• M13: 9,109,164 km (0.118 R)
• M14: 9,871,963 km (0.118 R)
• M15: 10,849,586 km (0.096 R)
• M16: 12,762,494 km (0.095 R)
• M17: 13,313,612 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.1

Radius: 10.3

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.29 AU - 1.83 AU

Year: 1322 Days

Day: 13.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,730,555 km

• M1: 128,205 km (0.082 R)
• M2: 485,146 km (0.093 R)
• M3: 824,284 km (0.073 R)
• M4: 1,244,804 km (0.077 R)
• M5: 1,590,824 km (0.077 R)
• M6: 2,222,276 km (0.075 R)
• M7: 2,673,912 km (0.076 R)
• M8: 3,215,756 km (0.117 R)
• M9: 3,846,311 km (0.066 R)
• M10: 4,786,982 km (0.105 R)
• M11: 5,332,715 km (0.119 R)
• M12: 6,404,883 km (0.066 R)
• M13: 7,940,057 km (0.105 R)
• M14: 8,823,133 km (0.119 R)
• M15: 10,482,772 km (0.09 R)
• M16: 11,091,037 km (0.109 R)
• M17: 11,686,885 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.7

Radius: 14.1

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.95 AU - 2.73 AU

Year: 2428 Days

Day: 5.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,730,555 km

• M1: 175,329 km (0.109 R)
• M2: 906,563 km (0.094 R)
• M3: 1,513,781 km (0.099 R)
• M4: 2,158,248 km (0.077 R)
• M5: 2,852,682 km (0.118 R)
• M6: 3,692,823 km (0.094 R)
• M7: 4,298,096 km (0.09 R)
• M8: 5,971,797 km (0.109 R)
• M9: 10,099,801 km (0.039 R)
• M10: 10,683,382 km (0.11 R)
• M11: 11,166,434 km (0.111 R)
• M12: 11,748,519 km (0.088 R)
• M13: 13,018,755 km (0.113 R)
• M14: 14,720,580 km (0.072 R)
• M15: 17,215,125 km (0.041 R)
• M16: 19,979,544 km (0.078 R)
• M17: 20,590,651 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 952.3

Radius: 6.5

Gravity: 22.54 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 10.28 AU - 10.34 AU

Year: 22453 Days

Day: 17.4 Hours

Environment

Temp: -244 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 91,730,555 km

• M1: 81,232 km (0.061 R)
• M2: 306,376 km (0.113 R)
• M3: 991,684 km (0.075 R)
• M4: 2,007,753 km (0.104 R)
• M5: 3,055,985 km (0.1 R)
• M6: 3,344,560 km (0.087 R)
• M7: 3,910,189 km (0.039 R)
• M8: 5,946,366 km (0.085 R)
• M9: 6,169,117 km (0.116 R)
• M10: 6,774,390 km (0.104 R)
• M11: 7,729,273 km (0.106 R)
• M12: 9,236,472 km (0.083 R)
• M13: 10,407,823 km (0.062 R)
• M14: 10,929,471 km (0.093 R)
• M15: 12,672,436 km (0.103 R)
• M16: 13,116,741 km (0.095 R)
• M17: 14,352,569 km (0.102 R)
• M18: 16,004,130 km (0.093 R)
• M19: 21,192,034 km (0.104 R)
• M20: 21,923,568 km (0.077 R)
• M21: 23,658,604 km (0.114 R)
• M22: 32,606,801 km (0.113 R)
• M23: 38,437,079 km (0.118 R)
• M24: 39,996,038 km (0.041 R)
• M25: 43,239,619 km (0.117 R)
• M26: 43,740,921 km (0.119 R)
• M27: 45,611,792 km (0.115 R)
• M28: 46,654,490 km (0.114 R)
• M29: 47,358,348 km (0.12 R)
• M30: 52,295,825 km (0.101 R)
• M31: 57,364,351 km (0.072 R)
• M32: 63,178,472 km (0.05 R)
• M33: 65,346,594 km (0.105 R)
• M34: 71,447,345 km (0.082 R)
• M35: 80,408,856 km (0.061 R)
• M36: 86,340,860 km (0.036 R)
• M37: 87,135,374 km (0.075 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 457 - 14,697 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit