🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.5

Radius: 12.4

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.14 AU - 1.16 AU

Year: 851 Days

Day: 10 Hours

Environment

Temp: -175 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,507,289 km

• M1: 155,133 km (0.101 R)
• M2: 596,746 km (0.059 R)
• M3: 1,199,625 km (0.06 R)
• M4: 1,763,460 km (0.109 R)
• M5: 2,355,718 km (0.095 R)
• M6: 4,019,994 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.9

Radius: 10.9

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.13 AU - 1.61 AU

Year: 1107 Days

Day: 8.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,507,289 km

• M1: 150,047 km (0.096 R)
• M2: 701,315 km (0.054 R)
• M3: 1,152,203 km (0.1 R)
• M4: 1,608,476 km (0.098 R)
• M5: 2,351,080 km (0.113 R)
• M6: 2,905,490 km (0.117 R)
• M7: 3,432,673 km (0.078 R)
• M8: 4,053,953 km (0.1 R)
• M9: 6,164,629 km (0.116 R)
• M10: 6,902,147 km (0.048 R)
• M11: 7,505,026 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.1

Radius: 15

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.27 AU - 1.79 AU

Year: 1306 Days

Day: 10.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,507,289 km

• M1: 192,084 km (0.069 R)
• M2: 723,007 km (0.088 R)
• M3: 1,465,610 km (0.101 R)
• M4: 1,954,496 km (0.11 R)
• M5: 2,611,680 km (0.052 R)
• M6: 3,746,529 km (0.111 R)
• M7: 4,229,281 km (0.108 R)
• M8: 5,632,509 km (0.025 R)
• M9: 6,795,932 km (0.069 R)
• M10: 7,887,548 km (0.118 R)
• M11: 8,983,651 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.5

Radius: 14.3

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.77 AU - 2.45 AU

Year: 2116 Days

Day: 11.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,507,289 km

• M1: 177,872 km (0.086 R)
• M2: 670,049 km (0.103 R)
• M3: 1,549,236 km (0.104 R)
• M4: 2,015,532 km (0.085 R)
• M5: 2,715,949 km (0.118 R)
• M6: 3,227,275 km (0.103 R)
• M7: 3,714,066 km (0.075 R)
• M8: 4,923,116 km (0.066 R)
• M9: 5,433,395 km (0.088 R)
• M10: 6,152,512 km (0.056 R)
• M11: 7,840,275 km (0.098 R)
• M12: 8,633,293 km (0.079 R)
• M13: 9,213,284 km (0.1 R)
• M14: 10,523,612 km (0.109 R)
• M15: 11,261,429 km (0.106 R)
• M16: 12,473,022 km (0.092 R)
• M17: 12,923,311 km (0.104 R)
• M18: 16,386,652 km (0.089 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 980.4

Radius: 4.5

Gravity: 48.41 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 5.21 AU - 7.79 AU

Year: 11439 Days

Day: 24 Hours

Environment

Temp: -230 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,507,289 km

• M1: 56,099 km (0.105 R)
• M2: 831,764 km (0.094 R)
• M3: 1,365,679 km (0.047 R)
• M4: 1,918,443 km (0.094 R)
• M5: 3,398,265 km (0.079 R)
• M6: 3,862,019 km (0.113 R)
• M7: 4,523,540 km (0.063 R)
• M8: 4,781,746 km (0.096 R)
• M9: 6,831,686 km (0.09 R)
• M10: 9,558,556 km (0.108 R)
• M11: 11,102,705 km (0.061 R)
• M12: 11,513,202 km (0.096 R)
• M13: 12,426,946 km (0.098 R)
• M14: 13,191,989 km (0.117 R)
• M15: 17,650,454 km (0.118 R)
• M16: 21,093,001 km (0.116 R)
• M17: 22,456,735 km (0.094 R)
• M18: 29,379,975 km (0.112 R)
• M19: 35,166,271 km (0.115 R)
• M20: 37,731,276 km (0.075 R)
• M21: 40,007,258 km (0.107 R)
• M22: 44,536,632 km (0.107 R)
• M23: 58,728,982 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 994.7

Radius: 7.4

Gravity: 18.16 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.13 AU - 7.49 AU

Year: 12267 Days

Day: 21.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 61,507,289 km

• M1: 92,003 km (0.047 R)
• M2: 545,434 km (0.079 R)
• M3: 961,316 km (0.097 R)
• M4: 1,328,130 km (0.045 R)
• M5: 2,033,185 km (0.112 R)
• M6: 2,406,132 km (0.084 R)
• M7: 2,965,628 km (0.095 R)
• M8: 3,978,107 km (0.096 R)
• M9: 5,275,120 km (0.063 R)
• M10: 6,458,290 km (0.095 R)
• M11: 8,774,514 km (0.105 R)
• M12: 9,079,244 km (0.113 R)
• M13: 13,043,289 km (0.048 R)
• M14: 13,507,341 km (0.025 R)
• M15: 16,069,803 km (0.089 R)
• M16: 17,148,404 km (0.044 R)
• M17: 17,544,988 km (0.078 R)
• M18: 19,023,763 km (0.12 R)
• M19: 21,947,504 km (0.098 R)
• M20: 22,698,934 km (0.111 R)
• M21: 28,225,827 km (0.11 R)
• M22: 29,906,709 km (0.112 R)
• M23: 30,365,974 km (0.093 R)
• M24: 30,946,713 km (0.112 R)
• M25: 35,220,724 km (0.065 R)
• M26: 36,120,256 km (0.074 R)
• M27: 37,831,506 km (0.102 R)
• M28: 43,434,844 km (0.097 R)
• M29: 44,767,612 km (0.058 R)
• M30: 48,612,426 km (0.089 R)
• M31: 54,869,357 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 492.9

Radius: 6.9

Gravity: 10.35 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 7.87 AU - 9.15 AU

Year: 17136 Days

Day: 21.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 63.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,507,289 km

• M1: 86,617 km (0.119 R)
• M2: 823,387 km (0.111 R)
• M3: 1,477,877 km (0.086 R)
• M4: 2,951,416 km (0.116 R)
• M5: 5,720,174 km (0.117 R)
• M6: 6,341,454 km (0.106 R)
• M7: 10,304,750 km (0.105 R)
• M8: 10,757,284 km (0.033 R)
• M9: 12,008,071 km (0.093 R)
• M10: 15,371,032 km (0.085 R)
• M11: 17,504,596 km (0.078 R)
• M12: 18,312,126 km (0.113 R)
• M13: 19,569,645 km (0.093 R)
• M14: 27,368,930 km (0.109 R)
• M15: 27,584,052 km (0.114 R)
• M16: 29,684,257 km (0.115 R)
• M17: 33,091,797 km (0.081 R)
• M18: 42,516,164 km (0.112 R)
• M19: 48,697,996 km (0.081 R)
• M20: 49,970,326 km (0.07 R)
• M21: 51,919,886 km (0.058 R)
• M22: 55,970,398 km (0.1 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: 469 - 12,650 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit