🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.8

Radius: 13.3

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.5 AU - 0.76 AU

Year: 345 Days

Day: 8.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 73,478,304 km

• M1: 165,455 km (0.082 R)
• M2: 582,833 km (0.073 R)
• M3: 1,003,503 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.4

Radius: 10.9

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.69 AU - 0.81 AU

Year: 448 Days

Day: 6.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,478,304 km

• M1: 135,536 km (0.119 R)
• M2: 594,502 km (0.067 R)
• M3: 952,789 km (0.095 R)
• M4: 1,299,856 km (0.104 R)
• M5: 1,718,431 km (0.079 R)
• M6: 2,145,832 km (0.113 R)
• M7: 2,562,462 km (0.077 R)
• M8: 3,337,828 km (0.069 R)
• M9: 4,065,322 km (0.08 R)
• M10: 5,022,599 km (0.084 R)
• M11: 5,469,149 km (0.082 R)
• M12: 6,124,088 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.2

Radius: 14.1

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.95 AU - 1.19 AU

Year: 764 Days

Day: 5.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,478,304 km

• M1: 175,329 km (0.114 R)
• M2: 842,834 km (0.072 R)
• M3: 1,519,166 km (0.09 R)
• M4: 2,354,521 km (0.098 R)
• M5: 2,844,454 km (0.083 R)
• M6: 3,504,929 km (0.109 R)
• M7: 3,991,570 km (0.105 R)
• M8: 4,742,701 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.6

Radius: 8.8

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.03 AU - 1.65 AU

Year: 1071 Days

Day: 5.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,478,304 km

• M1: 111,002 km (0.096 R)
• M2: 413,189 km (0.12 R)
• M3: 1,022,053 km (0.111 R)
• M4: 1,445,863 km (0.089 R)
• M5: 2,077,166 km (0.079 R)
• M6: 2,691,116 km (0.068 R)
• M7: 3,195,261 km (0.085 R)
• M8: 3,556,989 km (0.085 R)
• M9: 4,538,051 km (0.049 R)
• M10: 5,569,828 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.5

Radius: 10.5

Gravity: 8.14 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.8 AU - 2.6 AU

Year: 2252 Days

Day: 13.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,478,304 km

• M1: 130,599 km (0.118 R)
• M2: 514,467 km (0.092 R)
• M3: 986,149 km (0.086 R)
• M4: 1,421,329 km (0.081 R)
• M5: 1,751,193 km (0.047 R)
• M6: 2,107,535 km (0.104 R)
• M7: 2,585,051 km (0.115 R)
• M8: 3,184,340 km (0.034 R)
• M9: 3,893,584 km (0.056 R)
• M10: 4,616,740 km (0.095 R)
• M11: 5,402,727 km (0.114 R)
• M12: 6,411,316 km (0.029 R)
• M13: 8,832,857 km (0.117 R)
• M14: 9,353,457 km (0.116 R)
• M15: 10,342,150 km (0.094 R)
• M16: 11,974,711 km (0.06 R)
• M17: 13,184,210 km (0.112 R)
• M18: 15,494,001 km (0.078 R)
• M19: 16,458,159 km (0.046 R)
• M20: 17,515,816 km (0.096 R)
• M21: 17,896,393 km (0.037 R)
• M22: 18,730,850 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 75.9

Radius: 7.2

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 8.16 AU - 8.64 AU

Year: 16805 Days

Day: 19.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,478,304 km

• M1: 89,609 km (0.077 R)
• M2: 330,163 km (0.113 R)
• M3: 572,661 km (0.087 R)
• M4: 914,193 km (0.072 R)
• M5: 2,442,634 km (0.075 R)
• M6: 3,567,460 km (0.081 R)
• M7: 13,945,214 km (0.094 R)
• M8: 21,829,770 km (0.103 R)
• M9: 23,668,178 km (0.075 R)
• M10: 24,383,555 km (0.06 R)
• M11: 25,857,094 km (0.113 R)
• M12: 26,871,966 km (0.12 R)
• M13: 28,354,631 km (0.069 R)
• M14: 29,891,151 km (0.103 R)
• M15: 31,008,647 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 537

Radius: 6

Gravity: 14.92 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 8.26 AU - 11.5 AU

Year: 21436 Days

Day: 22.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 73,478,304 km

• M1: 75,996 km (0.102 R)
• M2: 271,819 km (0.068 R)
• M3: 539,450 km (0.088 R)
• M4: 754,422 km (0.056 R)
• M5: 1,180,776 km (0.111 R)
• M6: 1,828,086 km (0.036 R)
• M7: 3,732,766 km (0.091 R)
• M8: 4,102,422 km (0.116 R)
• M9: 4,702,310 km (0.109 R)
• M10: 7,126,693 km (0.093 R)
• M11: 8,710,486 km (0.092 R)
• M12: 9,528,038 km (0.112 R)
• M13: 10,218,133 km (0.034 R)
• M14: 12,420,812 km (0.098 R)
• M15: 12,759,352 km (0.083 R)
• M16: 17,909,558 km (0.085 R)
• M17: 19,316,975 km (0.091 R)
• M18: 20,326,311 km (0.089 R)
• M19: 21,370,355 km (0.073 R)
• M20: 22,952,053 km (0.032 R)
• M21: 23,668,029 km (0.094 R)
• M22: 26,014,920 km (0.103 R)
• M23: 36,128,185 km (0.081 R)
• M24: 36,817,981 km (0.12 R)
• M25: 44,205,722 km (0.095 R)
• M26: 50,097,185 km (0.104 R)
• M27: 54,122,864 km (0.109 R)
• M28: 56,675,901 km (0.119 R)
• M29: 66,654,678 km (0.118 R)
• M30: 67,483,450 km (0.072 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 521 - 13,941 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit