🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.1

Radius: 9

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.82 AU - 1 AU

Year: 610 Days

Day: 6.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,497,930 km

• M1: 112,049 km (0.104 R)
• M2: 446,101 km (0.117 R)
• M3: 943,065 km (0.056 R)
• M4: 1,350,869 km (0.099 R)
• M5: 1,733,540 km (0.093 R)
• M6: 2,015,233 km (0.106 R)
• M7: 2,344,797 km (0.062 R)
• M8: 2,626,789 km (0.1 R)
• M9: 3,378,967 km (0.064 R)
• M10: 3,705,838 km (0.074 R)
• M11: 4,166,151 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.1

Radius: 11.6

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.22 AU - 1.42 AU

Year: 1066 Days

Day: 6.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,497,930 km

• M1: 144,512 km (0.067 R)
• M2: 529,427 km (0.119 R)
• M3: 1,047,335 km (0.042 R)
• M4: 1,425,369 km (0.066 R)
• M5: 1,798,017 km (0.075 R)
• M6: 2,710,863 km (0.073 R)
• M7: 3,185,537 km (0.099 R)
• M8: 3,570,452 km (0.091 R)
• M9: 4,810,768 km (0.078 R)
• M10: 5,607,527 km (0.108 R)
• M11: 6,642,445 km (0.089 R)
• M12: 7,510,860 km (0.089 R)
• M13: 7,997,353 km (0.101 R)
• M14: 8,453,327 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.5

Radius: 14.4

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.43 AU - 1.91 AU

Year: 1517 Days

Day: 13.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,497,930 km

• M1: 179,069 km (0.113 R)
• M2: 725,250 km (0.118 R)
• M3: 1,224,907 km (0.087 R)
• M4: 1,815,819 km (0.091 R)
• M5: 2,569,643 km (0.12 R)
• M6: 3,395,872 km (0.104 R)
• M7: 4,040,788 km (0.093 R)
• M8: 4,528,477 km (0.073 R)
• M9: 5,161,575 km (0.108 R)
• M10: 5,806,791 km (0.085 R)
• M11: 6,356,414 km (0.089 R)
• M12: 8,545,180 km (0.102 R)
• M13: 9,613,309 km (0.076 R)
• M14: 10,839,413 km (0.032 R)
• M15: 12,282,883 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.2

Radius: 10.2

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.64 AU - 2.62 AU

Year: 2185 Days

Day: 8.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,497,930 km

• M1: 127,009 km (0.092 R)
• M2: 929,003 km (0.104 R)
• M3: 1,302,399 km (0.11 R)
• M4: 1,841,101 km (0.105 R)
• M5: 2,455,948 km (0.065 R)
• M6: 3,726,782 km (0.106 R)
• M7: 5,188,054 km (0.069 R)
• M8: 7,418,110 km (0.118 R)
• M9: 8,093,095 km (0.117 R)
• M10: 9,977,131 km (0.107 R)
• M11: 10,910,023 km (0.064 R)
• M12: 13,581,542 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.9

Radius: 13.1

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.22 AU - 4.8 AU

Year: 5644 Days

Day: 9.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,497,930 km

• M1: 162,912 km (0.052 R)
• M2: 570,267 km (0.036 R)
• M3: 998,117 km (0.109 R)
• M4: 1,615,807 km (0.078 R)
• M5: 2,382,346 km (0.114 R)
• M6: 2,868,838 km (0.067 R)
• M7: 3,614,135 km (0.118 R)
• M8: 4,434,679 km (0.086 R)
• M9: 5,549,931 km (0.101 R)
• M10: 6,316,920 km (0.071 R)
• M11: 7,365,002 km (0.047 R)
• M12: 8,215,167 km (0.09 R)
• M13: 9,295,413 km (0.101 R)
• M14: 13,212,185 km (0.108 R)
• M15: 14,750,200 km (0.115 R)
• M16: 15,621,758 km (0.112 R)
• M17: 16,343,418 km (0.105 R)
• M18: 17,531,524 km (0.116 R)
• M19: 19,730,762 km (0.08 R)
• M20: 20,645,703 km (0.109 R)
• M21: 21,222,552 km (0.097 R)
• M22: 25,567,323 km (0.111 R)
• M23: 26,485,405 km (0.118 R)
• M24: 29,281,539 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387.3

Radius: 6.7

Gravity: 8.63 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.68 AU - 6.58 AU

Year: 9390 Days

Day: 20.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 62,497,930 km

• M1: 83,476 km (0.077 R)
• M2: 414,835 km (0.105 R)
• M3: 838,047 km (0.081 R)
• M4: 1,066,782 km (0.036 R)
• M5: 1,867,430 km (0.107 R)
• M6: 2,164,232 km (0.098 R)
• M7: 2,456,247 km (0.11 R)
• M8: 2,754,845 km (0.079 R)
• M9: 3,750,718 km (0.063 R)
• M10: 4,436,624 km (0.065 R)
• M11: 7,559,480 km (0.082 R)
• M12: 8,523,039 km (0.038 R)
• M13: 9,342,088 km (0.11 R)
• M14: 10,594,671 km (0.067 R)
• M15: 11,694,963 km (0.047 R)
• M16: 12,704,898 km (0.077 R)
• M17: 13,371,955 km (0.059 R)
• M18: 16,082,519 km (0.084 R)
• M19: 17,668,107 km (0.111 R)
• M20: 18,149,513 km (0.112 R)
• M21: 22,883,687 km (0.11 R)
• M22: 23,538,178 km (0.118 R)
• M23: 25,663,964 km (0.064 R)
• M24: 27,637,758 km (0.094 R)
• M25: 31,381,744 km (0.099 R)
• M26: 32,393,474 km (0.083 R)
• M27: 35,233,440 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 609.3

Radius: 3

Gravity: 67.7 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 6.48 AU - 9.44 AU

Year: 15786 Days

Day: 20.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,497,930 km

• M1: 37,250 km (0.105 R)
• M2: 201,508 km (0.102 R)
• M3: 522,097 km (0.12 R)
• M4: 748,737 km (0.089 R)
• M5: 1,253,181 km (0.081 R)
• M6: 3,384,053 km (0.098 R)
• M7: 4,968,744 km (0.096 R)
• M8: 7,798,088 km (0.057 R)
• M9: 9,441,870 km (0.099 R)
• M10: 14,214,640 km (0.07 R)
• M11: 15,655,417 km (0.09 R)
• M12: 27,132,566 km (0.08 R)
• M13: 27,455,996 km (0.076 R)
• M14: 28,330,994 km (0.098 R)
• M15: 30,483,259 km (0.047 R)
• M16: 32,499,240 km (0.106 R)
• M17: 33,108,702 km (0.086 R)
• M18: 35,365,685 km (0.061 R)
• M19: 36,140,153 km (0.078 R)
• M20: 56,691,609 km (0.073 R)
• M21: 59,004,841 km (0.081 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 535 - 15,142 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit