🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.4

Radius: 9.9

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.88 AU - 1 AU

Year: 588 Days

Day: 12.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,084,802 km

• M1: 123,119 km (0.102 R)
• M2: 605,722 km (0.066 R)
• M3: 1,045,988 km (0.084 R)
• M4: 1,386,772 km (0.106 R)
• M5: 1,787,096 km (0.117 R)
• M6: 2,593,877 km (0.089 R)
• M7: 3,091,590 km (0.111 R)
• M8: 3,743,238 km (0.082 R)
• M9: 4,679,870 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.1

Radius: 11.3

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.99 AU - 1.37 AU

Year: 828 Days

Day: 12.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 125.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,084,802 km

• M1: 141,370 km (0.106 R)
• M2: 577,597 km (0.102 R)
• M3: 1,742,516 km (0.101 R)
• M4: 2,260,723 km (0.089 R)
• M5: 2,680,644 km (0.083 R)
• M6: 3,165,641 km (0.075 R)
• M7: 3,723,042 km (0.112 R)
• M8: 4,425,404 km (0.07 R)
• M9: 5,232,335 km (0.095 R)
• M10: 5,623,384 km (0.028 R)
• M11: 6,676,703 km (0.08 R)
• M12: 7,410,480 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.2

Radius: 8.2

Gravity: 11.84 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.42 AU - 2.5 AU

Year: 2491 Days

Day: 10 Hours

Environment

Temp: -191 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,084,802 km

• M1: 102,325 km (0.069 R)
• M2: 423,512 km (0.062 R)
• M3: 728,392 km (0.113 R)
• M4: 1,551,779 km (0.094 R)
• M5: 2,658,653 km (0.085 R)
• M6: 2,974,604 km (0.115 R)
• M7: 3,404,848 km (0.063 R)
• M8: 4,199,811 km (0.087 R)
• M9: 4,652,344 km (0.117 R)
• M10: 5,731,842 km (0.066 R)
• M11: 6,126,332 km (0.099 R)
• M12: 6,680,293 km (0.087 R)
• M13: 7,511,608 km (0.101 R)
• M14: 8,577,792 km (0.082 R)
• M15: 9,024,492 km (0.095 R)
• M16: 9,306,932 km (0.116 R)
• M17: 10,228,006 km (0.111 R)
• M18: 14,670,614 km (0.092 R)
• M19: 16,485,386 km (0.12 R)
• M20: 18,052,424 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203

Radius: 11.4

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.69 AU - 2.69 AU

Year: 2849 Days

Day: 8.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,084,802 km

• M1: 141,819 km (0.05 R)
• M2: 500,554 km (0.092 R)
• M3: 2,169,020 km (0.119 R)
• M4: 4,187,095 km (0.115 R)
• M5: 5,942,027 km (0.053 R)
• M6: 6,466,817 km (0.049 R)
• M7: 7,392,379 km (0.095 R)
• M8: 8,670,842 km (0.113 R)
• M9: 9,569,477 km (0.081 R)
• M10: 13,631,208 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.1

Radius: 9.5

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.18 AU - 4.82 AU

Year: 5165 Days

Day: 10.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,084,802 km

• M1: 118,182 km (0.115 R)
• M2: 683,812 km (0.053 R)
• M3: 1,370,466 km (0.105 R)
• M4: 1,685,220 km (0.041 R)
• M5: 2,684,235 km (0.118 R)
• M6: 3,125,399 km (0.049 R)
• M7: 4,902,173 km (0.116 R)
• M8: 5,535,121 km (0.065 R)
• M9: 7,548,709 km (0.097 R)
• M10: 8,622,821 km (0.08 R)
• M11: 9,136,241 km (0.037 R)
• M12: 12,208,981 km (0.088 R)
• M13: 12,555,001 km (0.086 R)
• M14: 13,474,579 km (0.099 R)
• M15: 13,950,899 km (0.077 R)
• M16: 15,447,626 km (0.104 R)
• M17: 15,794,244 km (0.094 R)
• M18: 16,264,430 km (0.112 R)
• M19: 18,047,936 km (0.074 R)
• M20: 19,958,002 km (0.105 R)
• M21: 22,144,823 km (0.118 R)
• M22: 23,944,186 km (0.098 R)
• M23: 25,596,644 km (0.053 R)
• M24: 27,746,366 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.4

Radius: 10.1

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.43 AU - 6.43 AU

Year: 8170 Days

Day: 5.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,084,802 km

• M1: 126,859 km (0.091 R)
• M2: 879,336 km (0.097 R)
• M3: 1,203,066 km (0.043 R)
• M4: 3,610,245 km (0.035 R)
• M5: 4,535,658 km (0.112 R)
• M6: 6,485,516 km (0.099 R)
• M7: 7,873,037 km (0.042 R)
• M8: 10,189,410 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 987.2

Radius: 4.9

Gravity: 41.12 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 6.69 AU - 7.33 AU

Year: 11984 Days

Day: 24.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 61,084,802 km

• M1: 60,886 km (0.098 R)
• M2: 254,765 km (0.064 R)
• M3: 520,451 km (0.071 R)
• M4: 883,675 km (0.03 R)
• M5: 1,084,734 km (0.112 R)
• M6: 1,343,987 km (0.068 R)
• M7: 1,564,644 km (0.081 R)
• M8: 2,175,153 km (0.071 R)
• M9: 2,375,764 km (0.093 R)
• M10: 2,677,353 km (0.101 R)
• M11: 3,462,592 km (0.045 R)
• M12: 4,390,997 km (0.118 R)
• M13: 4,811,965 km (0.072 R)
• M14: 5,438,481 km (0.117 R)
• M15: 6,157,000 km (0.079 R)
• M16: 6,979,788 km (0.069 R)
• M17: 7,417,661 km (0.062 R)
• M18: 7,920,010 km (0.051 R)
• M19: 8,251,370 km (0.11 R)
• M20: 10,892,969 km (0.054 R)
• M21: 14,887,980 km (0.099 R)
• M22: 15,983,037 km (0.091 R)
• M23: 18,828,687 km (0.091 R)
• M24: 29,806,628 km (0.12 R)
• M25: 31,305,150 km (0.076 R)
• M26: 34,202,412 km (0.041 R)
• M27: 37,802,335 km (0.113 R)
• M28: 38,875,550 km (0.106 R)
• M29: 40,662,496 km (0.113 R)
• M30: 42,216,669 km (0.088 R)
• M31: 43,080,896 km (0.092 R)
• M32: 46,503,096 km (0.068 R)
• M33: 49,304,466 km (0.113 R)
• M34: 51,723,165 km (0.079 R)
• M35: 54,050,907 km (0.11 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 17,735 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit