🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693

Radius: 14.9

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.44 AU - 0.66 AU

Year: 282 Days

Day: 8.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 88,716,327 km

• M1: 185,352 km (0.09 R)
• M2: 687,402 km (0.108 R)
• M3: 1,178,083 km (0.052 R)
• M4: 1,687,165 km (0.073 R)
• M5: 2,724,028 km (0.108 R)
• M6: 3,214,409 km (0.062 R)
• M7: 3,764,331 km (0.084 R)
• M8: 4,351,652 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.7

Radius: 10.4

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.57 AU - 0.69 AU

Year: 345 Days

Day: 14.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 88,716,327 km

• M1: 129,552 km (0.099 R)
• M2: 466,147 km (0.062 R)
• M3: 1,117,047 km (0.077 R)
• M4: 1,554,920 km (0.111 R)
• M5: 1,980,227 km (0.116 R)
• M6: 2,393,117 km (0.08 R)
• M7: 2,995,548 km (0.032 R)
• M8: 3,405,895 km (0.12 R)
• M9: 4,105,115 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.8

Radius: 14.2

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.7 AU - 1 AU

Year: 541 Days

Day: 12 Hours

Environment

Temp: -174 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 88,716,327 km

• M1: 176,675 km (0.045 R)
• M2: 621,878 km (0.048 R)
• M3: 1,306,887 km (0.089 R)
• M4: 1,966,015 km (0.074 R)
• M5: 2,407,927 km (0.094 R)
• M6: 3,016,192 km (0.109 R)
• M7: 3,649,141 km (0.097 R)
• M8: 4,283,585 km (0.082 R)
• M9: 5,265,546 km (0.03 R)
• M10: 5,740,220 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.9

Radius: 13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.17 AU - 2.33 AU

Year: 2330 Days

Day: 9.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 88,716,327 km

• M1: 161,715 km (0.05 R)
• M2: 572,661 km (0.118 R)
• M3: 1,136,046 km (0.105 R)
• M4: 1,942,828 km (0.107 R)
• M5: 2,393,416 km (0.048 R)
• M6: 2,901,002 km (0.094 R)
• M7: 4,891,402 km (0.114 R)
• M8: 5,737,228 km (0.097 R)
• M9: 7,186,383 km (0.071 R)
• M10: 8,117,180 km (0.109 R)
• M11: 8,952,984 km (0.117 R)
• M12: 9,906,969 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.8

Radius: 12.6

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.55 AU - 3.71 AU

Year: 3822 Days

Day: 14.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 87.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 88,716,327 km

• M1: 156,629 km (0.115 R)
• M2: 947,553 km (0.09 R)
• M3: 1,395,000 km (0.079 R)
• M4: 2,082,851 km (0.032 R)
• M5: 2,571,139 km (0.075 R)
• M6: 3,042,372 km (0.083 R)
• M7: 3,448,530 km (0.106 R)
• M8: 4,371,699 km (0.117 R)
• M9: 5,234,280 km (0.093 R)
• M10: 8,361,175 km (0.089 R)
• M11: 12,320,581 km (0.066 R)
• M12: 13,159,676 km (0.099 R)
• M13: 16,428,689 km (0.083 R)
• M14: 17,142,121 km (0.072 R)
• M15: 18,062,896 km (0.111 R)
• M16: 20,271,708 km (0.105 R)
• M17: 20,747,878 km (0.119 R)
• M18: 23,241,974 km (0.088 R)
• M19: 27,638,356 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.7

Radius: 10.6

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 4.69 AU - 5.75 AU

Year: 8232 Days

Day: 13.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 88,716,327 km

• M1: 154,385 km (0.069 R)
• M2: 727,794 km (0.066 R)
• M3: 1,081,443 km (0.113 R)
• M4: 1,490,144 km (0.029 R)
• M5: 2,224,969 km (0.069 R)
• M6: 2,741,680 km (0.072 R)
• M7: 3,122,407 km (0.1 R)
• M8: 4,647,108 km (0.083 R)
• M9: 5,281,553 km (0.082 R)
• M10: 5,810,680 km (0.038 R)
• M11: 6,688,072 km (0.063 R)
• M12: 7,807,662 km (0.062 R)
• M13: 9,715,335 km (0.069 R)
• M14: 12,446,094 km (0.096 R)
• M15: 13,611,910 km (0.074 R)
• M16: 14,310,084 km (0.052 R)
• M17: 15,588,996 km (0.064 R)
• M18: 17,546,185 km (0.117 R)
• M19: 19,515,790 km (0.08 R)
• M20: 21,942,417 km (0.095 R)
• M21: 22,339,001 km (0.083 R)
• M22: 24,563,671 km (0.107 R)
• M23: 32,629,988 km (0.106 R)
• M24: 36,033,340 km (0.045 R)
• M25: 38,276,560 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 876.9

Radius: 3.6

Gravity: 67.66 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 9.53 AU - 10.73 AU

Year: 22255 Days

Day: 17.1 Hours

Environment

Temp: -246 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 88,716,327 km

• M1: 44,730 km (0.082 R)
• M2: 159,621 km (0.118 R)
• M3: 332,257 km (0.076 R)
• M4: 901,626 km (0.051 R)
• M5: 1,567,636 km (0.092 R)
• M6: 2,298,122 km (0.049 R)
• M7: 4,910,401 km (0.098 R)
• M8: 6,996,842 km (0.093 R)
• M9: 10,098,305 km (0.093 R)
• M10: 11,262,326 km (0.075 R)
• M11: 12,016,000 km (0.116 R)
• M12: 13,471,438 km (0.077 R)
• M13: 13,929,955 km (0.106 R)
• M14: 14,477,932 km (0.1 R)
• M15: 15,040,271 km (0.112 R)
• M16: 15,952,967 km (0.106 R)
• M17: 18,163,575 km (0.083 R)
• M18: 18,441,827 km (0.082 R)
• M19: 20,072,743 km (0.052 R)
• M20: 20,771,365 km (0.11 R)
• M21: 22,006,296 km (0.089 R)
• M22: 30,851,868 km (0.059 R)
• M23: 32,456,455 km (0.077 R)
• M24: 34,256,716 km (0.111 R)
• M25: 36,415,413 km (0.116 R)
• M26: 38,358,091 km (0.101 R)
• M27: 43,763,361 km (0.041 R)
• M28: 44,935,760 km (0.117 R)
• M29: 52,039,714 km (0.076 R)
• M30: 54,116,731 km (0.077 R)
• M31: 59,651,702 km (0.057 R)
• M32: 65,118,308 km (0.097 R)
• M33: 72,991,045 km (0.227 R)
• M34: 74,165,089 km (0.063 R)
• M35: 85,562,353 km (0.102 R)
• M36: 88,185,402 km (0.177 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 12,519 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit