🌌 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: 953.1

Radius: 10.5

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.42 AU - 0.68 AU

Year: 277 Days

Day: 13.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,912,776 km

• M1: 130,749 km (0.113 R)
• M2: 481,107 km (0.106 R)
• M3: 1,045,839 km (0.097 R)
• M4: 1,373,608 km (0.116 R)
• M5: 2,132,518 km (0.082 R)
• M6: 2,569,942 km (0.08 R)
• M7: 3,139,760 km (0.089 R)
• M8: 3,962,698 km (0.109 R)
• M9: 4,560,042 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.1

Radius: 14.5

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.61 AU - 0.67 AU

Year: 347 Days

Day: 12.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,912,776 km

• M1: 180,415 km (0.072 R)
• M2: 662,419 km (0.119 R)
• M3: 1,132,755 km (0.051 R)
• M4: 1,674,000 km (0.094 R)
• M5: 2,371,725 km (0.047 R)
• M6: 3,803,975 km (0.076 R)
• M7: 4,357,337 km (0.074 R)
• M8: 4,835,751 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.1

Radius: 13.1

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.98 AU - 1.04 AU

Year: 688 Days

Day: 7.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 165.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,912,776 km

• M1: 162,912 km (0.101 R)
• M2: 598,840 km (0.097 R)
• M3: 1,180,626 km (0.098 R)
• M4: 2,327,294 km (0.117 R)
• M5: 2,786,709 km (0.103 R)
• M6: 3,319,278 km (0.069 R)
• M7: 3,837,185 km (0.039 R)
• M8: 4,275,358 km (0.1 R)
• M9: 5,136,144 km (0.114 R)
• M10: 5,796,170 km (0.111 R)
• M11: 6,395,309 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.9

Radius: 12.6

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.12 AU - 1.46 AU

Year: 994 Days

Day: 14.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,912,776 km

• M1: 156,629 km (0.034 R)
• M2: 598,391 km (0.075 R)
• M3: 1,022,202 km (0.111 R)
• M4: 1,457,532 km (0.106 R)
• M5: 2,009,997 km (0.118 R)
• M6: 2,477,640 km (0.052 R)
• M7: 3,006,319 km (0.12 R)
• M8: 3,425,791 km (0.045 R)
• M9: 4,277,751 km (0.046 R)
• M10: 4,746,292 km (0.11 R)
• M11: 5,248,940 km (0.057 R)
• M12: 6,108,231 km (0.109 R)
• M13: 7,514,750 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.1

Radius: 14.5

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.45 AU - 1.69 AU

Year: 1334 Days

Day: 10.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,912,776 km

• M1: 180,415 km (0.057 R)
• M2: 665,711 km (0.084 R)
• M3: 1,302,848 km (0.107 R)
• M4: 2,091,827 km (0.074 R)
• M5: 2,805,259 km (0.046 R)
• M6: 3,393,628 km (0.112 R)
• M7: 4,258,303 km (0.059 R)
• M8: 5,286,340 km (0.098 R)
• M9: 6,692,710 km (0.111 R)
• M10: 7,351,838 km (0.099 R)
• M11: 9,100,038 km (0.061 R)
• M12: 9,593,263 km (0.096 R)
• M13: 10,366,534 km (0.093 R)
• M14: 10,939,195 km (0.113 R)
• M15: 11,461,890 km (0.117 R)
• M16: 12,785,083 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.3

Radius: 13.4

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.82 AU - 2.08 AU

Year: 1847 Days

Day: 11.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 149 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,912,776 km

• M1: 166,652 km (0.105 R)
• M2: 585,676 km (0.065 R)
• M3: 1,022,950 km (0.108 R)
• M4: 1,753,437 km (0.072 R)
• M5: 2,238,134 km (0.097 R)
• M6: 3,088,298 km (0.082 R)
• M7: 3,731,719 km (0.09 R)
• M8: 4,163,608 km (0.034 R)
• M9: 5,219,769 km (0.105 R)
• M10: 6,580,212 km (0.106 R)
• M11: 7,444,738 km (0.109 R)
• M12: 8,041,783 km (0.076 R)
• M13: 9,264,596 km (0.101 R)
• M14: 9,956,187 km (0.074 R)
• M15: 13,286,684 km (0.066 R)
• M16: 16,537,895 km (0.077 R)
• M17: 17,144,215 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446.5

Radius: 3.6

Gravity: 34.45 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 7.79 AU - 12.15 AU

Year: 21352 Days

Day: 15.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 68,912,776 km

• M1: 44,730 km (0.055 R)
• M2: 169,794 km (0.108 R)
• M3: 365,468 km (0.037 R)
• M4: 502,350 km (0.077 R)
• M5: 629,508 km (0.115 R)
• M6: 778,059 km (0.091 R)
• M7: 915,838 km (0.066 R)
• M8: 1,461,422 km (0.083 R)
• M9: 2,136,407 km (0.055 R)
• M10: 2,657,157 km (0.11 R)
• M11: 3,311,798 km (0.111 R)
• M12: 4,193,079 km (0.081 R)
• M13: 4,896,189 km (0.056 R)
• M14: 5,257,168 km (0.092 R)
• M15: 5,752,637 km (0.094 R)
• M16: 6,320,360 km (0.118 R)
• M17: 11,502,730 km (0.108 R)
• M18: 12,334,494 km (0.101 R)
• M19: 17,429,498 km (0.073 R)
• M20: 19,220,783 km (0.106 R)
• M21: 19,934,215 km (0.097 R)
• M22: 20,665,151 km (0.086 R)
• M23: 20,850,652 km (0.084 R)
• M24: 25,323,628 km (0.075 R)
• M25: 33,614,043 km (0.066 R)
• M26: 34,778,962 km (0.115 R)
• M27: 36,779,833 km (0.042 R)
• M28: 36,915,818 km (0.091 R)
• M29: 41,009,115 km (0.092 R)
• M30: 46,816,504 km (0.112 R)
• M31: 50,417,026 km (0.106 R)
• M32: 50,585,024 km (0.059 R)
• M33: 53,846,557 km (0.06 R)
• M34: 54,021,885 km (0.1 R)
• M35: 58,163,054 km (0.092 R)
• M36: 65,459,839 km (0.1 R)
• M37: 66,665,000 km (0.115 R)
• M38: 68,294,869 km (0.112 R)
• M39: 68,912,708 km (0.085 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 19,779 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit