🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.3

Radius: 9.7

Gravity: 9.13 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.46 AU - 0.7 AU

Year: 305 Days

Day: 5.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,083,870 km

• M1: 120,576 km (0.086 R)
• M2: 440,566 km (0.078 R)
• M3: 845,527 km (0.11 R)
• M4: 1,249,441 km (0.1 R)
• M5: 1,615,059 km (0.1 R)
• M6: 2,068,041 km (0.092 R)
• M7: 3,144,996 km (0.101 R)
• M8: 3,568,956 km (0.083 R)
• M9: 3,980,500 km (0.108 R)
• M10: 4,855,797 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.7

Radius: 9

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.54 AU - 0.86 AU

Year: 404 Days

Day: 6.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,083,870 km

• M1: 112,348 km (0.073 R)
• M2: 400,025 km (0.074 R)
• M3: 733,329 km (0.045 R)
• M4: 1,578,557 km (0.107 R)
• M5: 2,309,342 km (0.085 R)
• M6: 2,687,825 km (0.052 R)
• M7: 3,280,831 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.8

Radius: 11.8

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.62 AU - 0.9 AU

Year: 457 Days

Day: 12.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,083,870 km

• M1: 147,204 km (0.097 R)
• M2: 573,857 km (0.07 R)
• M3: 971,937 km (0.05 R)
• M4: 1,568,683 km (0.11 R)
• M5: 2,097,362 km (0.104 R)
• M6: 2,508,008 km (0.075 R)
• M7: 3,013,799 km (0.06 R)
• M8: 3,826,564 km (0.113 R)
• M9: 4,232,273 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.4

Radius: 10.1

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.11 AU - 1.29 AU

Year: 907 Days

Day: 12.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 136.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,083,870 km

• M1: 127,308 km (0.069 R)
• M2: 1,037,760 km (0.073 R)
• M3: 1,739,374 km (0.098 R)
• M4: 2,166,028 km (0.058 R)
• M5: 2,822,912 km (0.085 R)
• M6: 3,266,170 km (0.085 R)
• M7: 4,334,598 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143

Radius: 11.2

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2 AU - 3.04 AU

Year: 2761 Days

Day: 14.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,083,870 km

• M1: 139,425 km (0.06 R)
• M2: 663,467 km (0.076 R)
• M3: 1,611,319 km (0.115 R)
• M4: 2,778,481 km (0.108 R)
• M5: 5,087,225 km (0.068 R)
• M6: 5,838,655 km (0.112 R)
• M7: 6,686,576 km (0.063 R)
• M8: 7,077,924 km (0.117 R)
• M9: 8,914,836 km (0.1 R)
• M10: 10,293,231 km (0.055 R)
• M11: 10,949,517 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.4

Radius: 14.3

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.25 AU - 2.83 AU

Year: 2794 Days

Day: 12.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,083,870 km

• M1: 178,021 km (0.101 R)
• M2: 648,058 km (0.049 R)
• M3: 1,529,189 km (0.03 R)
• M4: 2,585,500 km (0.091 R)
• M5: 3,106,699 km (0.105 R)
• M6: 3,581,822 km (0.077 R)
• M7: 4,611,654 km (0.097 R)
• M8: 5,334,660 km (0.059 R)
• M9: 6,501,823 km (0.033 R)
• M10: 6,946,876 km (0.111 R)
• M11: 8,651,245 km (0.102 R)
• M12: 9,563,642 km (0.075 R)
• M13: 10,023,805 km (0.029 R)
• M14: 11,451,717 km (0.057 R)
• M15: 12,642,965 km (0.084 R)
• M16: 13,529,631 km (0.089 R)
• M17: 14,607,783 km (0.095 R)
• M18: 15,636,867 km (0.071 R)
• M19: 16,603,868 km (0.079 R)
• M20: 19,622,304 km (0.111 R)
• M21: 20,304,769 km (0.069 R)
• M22: 21,260,999 km (0.047 R)
• M23: 22,717,633 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.7

Radius: 11.7

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 3.13 AU - 4.63 AU

Year: 5275 Days

Day: 14.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,083,870 km

• M1: 146,157 km (0.071 R)
• M2: 528,679 km (0.075 R)
• M3: 1,203,365 km (0.027 R)
• M4: 1,674,150 km (0.12 R)
• M5: 2,762,624 km (0.112 R)
• M6: 3,416,965 km (0.072 R)
• M7: 4,589,812 km (0.12 R)
• M8: 5,682,924 km (0.083 R)
• M9: 6,385,136 km (0.116 R)
• M10: 11,425,986 km (0.111 R)
• M11: 14,617,657 km (0.113 R)
• M12: 15,735,302 km (0.08 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.9

Radius: 11.8

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.53 AU - 5.55 AU

Year: 6677 Days

Day: 11.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,083,870 km

• M1: 162,463 km (0.103 R)
• M2: 762,500 km (0.093 R)
• M3: 1,495,829 km (0.078 R)
• M4: 2,638,757 km (0.119 R)
• M5: 3,718,554 km (0.114 R)
• M6: 4,163,608 km (0.069 R)
• M7: 4,671,792 km (0.088 R)
• M8: 5,403,475 km (0.117 R)
• M9: 6,589,637 km (0.079 R)
• M10: 7,743,784 km (0.105 R)
• M11: 8,307,319 km (0.119 R)
• M12: 10,210,952 km (0.102 R)
• M13: 12,771,769 km (0.101 R)
• M14: 13,790,381 km (0.097 R)
• M15: 14,379,347 km (0.105 R)
• M16: 21,537,007 km (0.034 R)
• M17: 26,231,538 km (0.103 R)
• M18: 29,295,601 km (0.108 R)
• M19: 32,901,957 km (0.113 R)
• M20: 36,681,996 km (0.117 R)
• M21: 37,927,399 km (0.105 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 150 - 13,502 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit