🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.7

Radius: 14.9

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.73 AU - 0.83 AU

Year: 484 Days

Day: 13.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,800,781 km

• M1: 185,352 km (0.118 R)
• M2: 653,443 km (0.064 R)
• M3: 1,146,967 km (0.07 R)
• M4: 1,943,875 km (0.08 R)
• M5: 2,494,395 km (0.115 R)
• M6: 3,079,771 km (0.075 R)
• M7: 4,412,539 km (0.069 R)
• M8: 5,210,195 km (0.086 R)
• M9: 5,937,689 km (0.084 R)
• M10: 6,692,859 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.4

Radius: 12

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.76 AU - 1.04 AU

Year: 600 Days

Day: 13.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 74,800,781 km

• M1: 149,747 km (0.097 R)
• M2: 694,134 km (0.075 R)
• M3: 1,218,774 km (0.118 R)
• M4: 1,841,699 km (0.098 R)
• M5: 2,594,177 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.4

Radius: 8.4

Gravity: 13.72 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.97 AU - 1.55 AU

Year: 994 Days

Day: 13.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,800,781 km

• M1: 104,868 km (0.111 R)
• M2: 419,622 km (0.087 R)
• M3: 976,575 km (0.1 R)
• M4: 1,269,637 km (0.119 R)
• M5: 1,667,119 km (0.084 R)
• M6: 2,007,903 km (0.102 R)
• M7: 2,290,792 km (0.04 R)
• M8: 2,701,289 km (0.081 R)
• M9: 3,006,169 km (0.064 R)
• M10: 4,216,566 km (0.117 R)
• M11: 4,759,307 km (0.094 R)
• M12: 6,028,196 km (0.07 R)
• M13: 7,031,698 km (0.077 R)
• M14: 7,509,065 km (0.112 R)
• M15: 7,847,904 km (0.042 R)
• M16: 8,528,425 km (0.088 R)
• M17: 9,042,294 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.6

Radius: 13.5

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.25 AU - 3.13 AU

Year: 3101 Days

Day: 13.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,800,781 km

• M1: 167,849 km (0.093 R)
• M2: 1,219,372 km (0.12 R)
• M3: 2,087,638 km (0.062 R)
• M4: 2,601,357 km (0.109 R)
• M5: 3,641,960 km (0.11 R)
• M6: 4,125,610 km (0.052 R)
• M7: 4,564,979 km (0.092 R)
• M8: 5,058,951 km (0.066 R)
• M9: 6,262,167 km (0.039 R)
• M10: 8,282,636 km (0.03 R)
• M11: 10,437,294 km (0.067 R)
• M12: 15,575,532 km (0.113 R)
• M13: 17,123,870 km (0.055 R)
• M14: 18,156,095 km (0.116 R)

Asteroid Belt

Center: 3.16 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.1

Radius: 12.2

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.09 AU - 4.17 AU

Year: 4861 Days

Day: 11.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,800,781 km

• M1: 151,692 km (0.062 R)
• M2: 595,699 km (0.068 R)
• M3: 1,062,594 km (0.055 R)
• M4: 2,080,009 km (0.107 R)
• M5: 3,604,112 km (0.04 R)
• M6: 3,991,122 km (0.09 R)
• M7: 6,219,831 km (0.09 R)
• M8: 7,900,563 km (0.045 R)
• M9: 8,919,175 km (0.115 R)
• M10: 9,403,423 km (0.107 R)
• M11: 10,102,793 km (0.073 R)
• M12: 10,920,345 km (0.087 R)
• M13: 12,456,566 km (0.054 R)
• M14: 13,785,593 km (0.119 R)
• M15: 16,116,777 km (0.107 R)
• M16: 16,836,492 km (0.064 R)
• M17: 17,985,404 km (0.072 R)
• M18: 18,759,872 km (0.091 R)
• M19: 19,743,329 km (0.092 R)
• M20: 23,108,233 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 535.3

Radius: 5.5

Gravity: 17.7 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 7.4 AU - 11.7 AU

Year: 20745 Days

Day: 21.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 167.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,800,781 km

• M1: 96,341 km (0.101 R)
• M2: 351,405 km (0.109 R)
• M3: 642,373 km (0.081 R)
• M4: 1,576,762 km (0.046 R)
• M5: 1,910,215 km (0.104 R)
• M6: 3,761,788 km (0.103 R)
• M7: 4,423,310 km (0.117 R)
• M8: 6,221,775 km (0.097 R)
• M9: 6,562,709 km (0.091 R)
• M10: 6,826,600 km (0.103 R)
• M11: 9,641,732 km (0.12 R)
• M12: 10,391,068 km (0.072 R)
• M13: 11,365,848 km (0.088 R)
• M14: 13,008,582 km (0.109 R)
• M15: 16,433,625 km (0.108 R)
• M16: 22,727,357 km (0.067 R)
• M17: 25,101,476 km (0.085 R)
• M18: 31,812,436 km (0.09 R)
• M19: 32,314,935 km (0.077 R)
• M20: 33,465,044 km (0.077 R)
• M21: 35,307,790 km (0.101 R)
• M22: 38,907,564 km (0.107 R)
• M23: 44,441,189 km (0.109 R)
• M24: 48,961,289 km (0.118 R)
• M25: 56,484,416 km (0.095 R)
• M26: 58,338,083 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 499.4

Radius: 4.6

Gravity: 23.6 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 9.34 AU - 11.02 AU

Year: 22831 Days

Day: 23.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 74,800,781 km

• M1: 57,745 km (0.05 R)
• M2: 257,907 km (0.12 R)
• M3: 1,014,872 km (0.056 R)
• M4: 1,197,232 km (0.092 R)
• M5: 2,055,176 km (0.05 R)
• M6: 2,393,416 km (0.118 R)
• M7: 3,812,651 km (0.096 R)
• M8: 4,912,944 km (0.079 R)
• M9: 5,246,397 km (0.104 R)
• M10: 6,252,144 km (0.082 R)
• M11: 6,555,229 km (0.047 R)
• M12: 10,326,143 km (0.115 R)
• M13: 10,749,654 km (0.117 R)
• M14: 13,043,289 km (0.118 R)
• M15: 14,118,897 km (0.087 R)
• M16: 17,613,354 km (0.099 R)
• M17: 20,207,082 km (0.095 R)
• M18: 21,253,968 km (0.071 R)
• M19: 21,643,521 km (0.057 R)
• M20: 23,662,793 km (0.117 R)
• M21: 24,504,580 km (0.118 R)
• M22: 27,149,321 km (0.08 R)
• M23: 27,723,328 km (0.1 R)
• M24: 29,978,217 km (0.052 R)
• M25: 32,224,578 km (0.087 R)
• M26: 34,984,060 km (0.036 R)
• M27: 38,902,777 km (0.113 R)
• M28: 41,570,705 km (0.086 R)
• M29: 43,259,665 km (0.084 R)
• M30: 43,415,546 km (0.101 R)
• M31: 48,600,309 km (0.056 R)
• M32: 54,727,090 km (0.079 R)
• M33: 57,691,671 km (0.117 R)
• M34: 58,259,096 km (0.108 R)
• M35: 58,830,410 km (0.047 R)
• M36: 59,983,959 km (0.087 R)
• M37: 62,734,316 km (0.06 R)
• M38: 65,567,550 km (0.053 R)
• M39: 70,190,124 km (0.08 R)
• M40: 73,685,179 km (0.057 R)
• M41: 74,800,731 km (0.085 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: 211 - 14,365 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit