🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.1

Radius: 13.5

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.59 AU - 0.89 AU

Year: 432 Days

Day: 11.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,262,245 km

• M1: 167,998 km (0.086 R)
• M2: 728,093 km (0.077 R)
• M3: 1,159,982 km (0.114 R)
• M4: 1,648,718 km (0.097 R)
• M5: 2,537,329 km (0.111 R)
• M6: 3,091,141 km (0.101 R)
• M7: 3,678,013 km (0.103 R)
• M8: 4,105,564 km (0.111 R)
• M9: 4,760,653 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.8

Radius: 8

Gravity: 12.93 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.45 AU - 1.53 AU

Year: 1234 Days

Day: 7.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 117.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,262,245 km

• M1: 99,483 km (0.094 R)
• M2: 399,277 km (0.058 R)
• M3: 793,766 km (0.075 R)
• M4: 1,659,190 km (0.116 R)
• M5: 2,032,437 km (0.094 R)
• M6: 2,743,625 km (0.095 R)
• M7: 3,120,163 km (0.099 R)
• M8: 3,643,007 km (0.096 R)
• M9: 4,223,148 km (0.094 R)
• M10: 4,726,395 km (0.113 R)
• M11: 5,523,153 km (0.069 R)
• M12: 5,830,128 km (0.112 R)
• M13: 6,770,351 km (0.079 R)
• M14: 7,045,910 km (0.088 R)
• M15: 8,393,937 km (0.067 R)
• M16: 8,653,638 km (0.043 R)
• M17: 9,068,473 km (0.116 R)
• M18: 10,525,407 km (0.105 R)
• M19: 11,101,359 km (0.106 R)
• M20: 11,841,569 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.7

Radius: 13.4

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.3 AU - 3.06 AU

Year: 2976 Days

Day: 9.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,262,245 km

• M1: 166,652 km (0.098 R)
• M2: 620,083 km (0.044 R)
• M3: 1,160,730 km (0.049 R)
• M4: 1,643,482 km (0.115 R)
• M5: 2,119,652 km (0.068 R)
• M6: 3,656,022 km (0.094 R)
• M7: 4,230,628 km (0.066 R)
• M8: 4,823,484 km (0.099 R)
• M9: 5,271,081 km (0.111 R)
• M10: 6,399,947 km (0.118 R)
• M11: 7,712,518 km (0.099 R)
• M12: 8,177,917 km (0.097 R)
• M13: 9,262,053 km (0.072 R)
• M14: 9,923,276 km (0.044 R)
• M15: 11,564,065 km (0.073 R)
• M16: 12,449,236 km (0.115 R)
• M17: 15,016,335 km (0.06 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 72.5

Radius: 6.9

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 6.76 AU - 7.25 AU

Year: 12561 Days

Day: 15.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,262,245 km

• M1: 105,018 km (0.072 R)
• M2: 626,965 km (0.048 R)
• M3: 1,769,743 km (0.098 R)
• M4: 2,326,995 km (0.102 R)
• M5: 3,414,272 km (0.11 R)
• M6: 3,849,602 km (0.118 R)
• M7: 5,380,287 km (0.082 R)
• M8: 6,205,768 km (0.035 R)
• M9: 8,766,585 km (0.065 R)
• M10: 18,076,808 km (0.089 R)
• M11: 24,098,571 km (0.105 R)
• M12: 26,160,180 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 418.8

Radius: 7.3

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 7.6 AU - 11.1 AU

Year: 19391 Days

Day: 19.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,262,245 km

• M1: 90,956 km (0.094 R)
• M2: 344,673 km (0.064 R)
• M3: 718,668 km (0.074 R)
• M4: 1,150,557 km (0.12 R)
• M5: 1,954,646 km (0.092 R)
• M6: 2,360,954 km (0.113 R)
• M7: 3,062,717 km (0.097 R)
• M8: 3,667,691 km (0.102 R)
• M9: 4,103,470 km (0.094 R)
• M10: 5,885,779 km (0.06 R)
• M11: 7,892,784 km (0.113 R)
• M12: 8,421,313 km (0.086 R)
• M13: 11,484,479 km (0.093 R)
• M14: 12,802,735 km (0.101 R)
• M15: 13,872,659 km (0.118 R)
• M16: 15,811,448 km (0.089 R)
• M17: 20,395,276 km (0.093 R)
• M18: 23,278,625 km (0.033 R)
• M19: 23,571,239 km (0.062 R)
• M20: 26,001,905 km (0.11 R)
• M21: 28,483,584 km (0.062 R)
• M22: 31,118,601 km (0.104 R)
• M23: 33,538,496 km (0.064 R)
• M24: 41,403,155 km (0.116 R)
• M25: 43,582,198 km (0.098 R)
• M26: 48,325,498 km (0.051 R)
• M27: 48,642,795 km (0.103 R)
• M28: 56,506,407 km (0.09 R)
• M29: 57,745,676 km (0.041 R)
• M30: 58,103,065 km (0.03 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: 282 - 11,878 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit