🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.7

Radius: 11.6

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.6 AU - 0.6 AU

Year: 321 Days

Day: 7.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 81,735,405 km

• M1: 144,212 km (0.088 R)
• M2: 539,899 km (0.118 R)
• M3: 923,767 km (0.059 R)
• M4: 1,299,108 km (0.042 R)
• M5: 2,029,594 km (0.078 R)
• M6: 2,448,020 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.6

Radius: 11.9

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.39 AU - 1.65 AU

Year: 1294 Days

Day: 5.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,735,405 km

• M1: 147,952 km (0.101 R)
• M2: 779,555 km (0.12 R)
• M3: 1,158,037 km (0.115 R)
• M4: 2,076,867 km (0.113 R)
• M5: 2,740,483 km (0.088 R)
• M6: 3,354,134 km (0.095 R)
• M7: 4,005,483 km (0.119 R)
• M8: 4,643,069 km (0.117 R)
• M9: 5,180,425 km (0.101 R)
• M10: 5,961,176 km (0.095 R)
• M11: 6,332,478 km (0.111 R)
• M12: 7,096,624 km (0.083 R)
• M13: 7,948,733 km (0.094 R)
• M14: 8,428,494 km (0.084 R)
• M15: 9,199,671 km (0.111 R)
• M16: 9,602,538 km (0.077 R)
• M17: 10,212,747 km (0.079 R)
• M18: 10,848,538 km (0.086 R)
• M19: 11,368,989 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.6

Radius: 9.6

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.62 AU - 1.84 AU

Year: 1571 Days

Day: 11 Hours

Environment

Temp: -203 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 81,735,405 km

• M1: 119,529 km (0.109 R)
• M2: 805,585 km (0.069 R)
• M3: 1,296,116 km (0.085 R)
• M4: 1,783,955 km (0.054 R)
• M5: 2,169,169 km (0.096 R)
• M6: 2,685,431 km (0.098 R)
• M7: 4,090,754 km (0.037 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.9

Radius: 12.3

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.15 AU - 2.69 AU

Year: 2599 Days

Day: 7 Hours

Environment

Temp: -199 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,735,405 km

• M1: 153,039 km (0.099 R)
• M2: 799,301 km (0.112 R)
• M3: 1,311,225 km (0.065 R)
• M4: 2,189,664 km (0.12 R)
• M5: 2,908,183 km (0.075 R)
• M6: 3,848,106 km (0.032 R)
• M7: 4,476,118 km (0.064 R)
• M8: 5,192,991 km (0.082 R)
• M9: 5,750,841 km (0.081 R)
• M10: 6,398,002 km (0.09 R)
• M11: 8,543,534 km (0.077 R)
• M12: 10,880,104 km (0.095 R)
• M13: 11,350,140 km (0.104 R)
• M14: 12,176,519 km (0.091 R)
• M15: 13,042,541 km (0.112 R)
• M16: 14,547,645 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.8

Radius: 8.9

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.55 AU - 3.09 AU

Year: 3269 Days

Day: 7.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 81,735,405 km

• M1: 110,702 km (0.111 R)
• M2: 520,601 km (0.114 R)
• M3: 1,048,382 km (0.112 R)
• M4: 1,523,355 km (0.077 R)
• M5: 2,094,520 km (0.107 R)
• M6: 2,626,789 km (0.037 R)
• M7: 5,636,549 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.5

Radius: 9.2

Gravity: 11.03 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.61 AU - 3.85 AU

Year: 4972 Days

Day: 13.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 81,735,405 km

• M1: 114,442 km (0.078 R)
• M2: 444,754 km (0.03 R)
• M3: 1,298,210 km (0.087 R)
• M4: 1,691,204 km (0.083 R)
• M5: 2,026,154 km (0.072 R)
• M6: 3,435,066 km (0.069 R)
• M7: 3,859,924 km (0.105 R)
• M8: 4,344,621 km (0.112 R)
• M9: 5,147,663 km (0.058 R)
• M10: 5,584,638 km (0.059 R)
• M11: 7,045,910 km (0.108 R)
• M12: 8,190,783 km (0.112 R)
• M13: 8,951,338 km (0.065 R)
• M14: 10,022,609 km (0.117 R)
• M15: 10,798,423 km (0.106 R)
• M16: 11,369,887 km (0.108 R)
• M17: 12,061,777 km (0.105 R)
• M18: 12,418,269 km (0.032 R)
• M19: 13,803,844 km (0.053 R)
• M20: 14,420,038 km (0.081 R)
• M21: 17,006,136 km (0.112 R)
• M22: 17,584,183 km (0.03 R)
• M23: 18,779,320 km (0.091 R)
• M24: 20,027,864 km (0.105 R)
• M25: 21,852,659 km (0.11 R)
• M26: 22,921,535 km (0.093 R)
• M27: 23,865,199 km (0.05 R)
• M28: 27,811,441 km (0.085 R)
• M29: 28,166,287 km (0.082 R)
• M30: 28,613,884 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 679.7

Radius: 3.8

Gravity: 47.07 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 9.14 AU - 11.18 AU

Year: 22354 Days

Day: 24.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,735,405 km

• M1: 75,248 km (0.098 R)
• M2: 339,886 km (0.089 R)
• M3: 2,410,919 km (0.102 R)
• M4: 2,724,028 km (0.104 R)
• M5: 3,343,662 km (0.078 R)
• M6: 4,185,000 km (0.082 R)
• M7: 4,745,394 km (0.113 R)
• M8: 6,911,272 km (0.072 R)
• M9: 7,843,865 km (0.056 R)
• M10: 10,819,666 km (0.095 R)
• M11: 11,935,517 km (0.101 R)
• M12: 13,564,189 km (0.094 R)
• M13: 15,496,095 km (0.065 R)
• M14: 18,771,840 km (0.111 R)
• M15: 22,792,881 km (0.107 R)
• M16: 23,639,156 km (0.104 R)
• M17: 32,218,744 km (0.105 R)
• M18: 35,063,796 km (0.119 R)
• M19: 43,782,061 km (0.101 R)
• M20: 50,391,295 km (0.09 R)
• M21: 56,286,648 km (0.107 R)
• M22: 63,036,653 km (0.073 R)
• M23: 71,644,215 km (0.115 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: 357 - 10,417 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit