🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.7

Radius: 13.2

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.63 AU - 0.87 AU

Year: 426 Days

Day: 11.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,515,188 km

• M1: 165,156 km (0.047 R)
• M2: 585,526 km (0.058 R)
• M3: 1,042,398 km (0.061 R)
• M4: 1,548,488 km (0.072 R)
• M5: 2,281,667 km (0.078 R)
• M6: 3,077,527 km (0.117 R)
• M7: 3,799,936 km (0.097 R)
• M8: 4,356,739 km (0.085 R)
• M9: 5,156,938 km (0.117 R)
• M10: 6,160,590 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.4

Radius: 10.5

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.66 AU - 0.9 AU

Year: 452 Days

Day: 7.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,515,188 km

• M1: 130,599 km (0.099 R)
• M2: 519,853 km (0.109 R)
• M3: 882,179 km (0.114 R)
• M4: 1,279,810 km (0.071 R)
• M5: 1,680,732 km (0.081 R)
• M6: 2,106,338 km (0.077 R)
• M7: 2,460,586 km (0.088 R)
• M8: 3,122,257 km (0.074 R)
• M9: 3,696,414 km (0.05 R)
• M10: 4,148,648 km (0.074 R)
• M11: 4,508,281 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.7

Radius: 11.6

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.09 AU - 1.35 AU

Year: 884 Days

Day: 6.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,515,188 km

• M1: 144,362 km (0.112 R)
• M2: 548,426 km (0.074 R)
• M3: 1,183,918 km (0.056 R)
• M4: 1,592,918 km (0.052 R)
• M5: 2,097,213 km (0.105 R)
• M6: 2,706,674 km (0.071 R)
• M7: 3,271,556 km (0.115 R)
• M8: 4,376,935 km (0.117 R)
• M9: 5,015,867 km (0.03 R)
• M10: 5,450,748 km (0.081 R)
• M11: 5,970,152 km (0.103 R)
• M12: 7,357,223 km (0.102 R)
• M13: 7,944,245 km (0.097 R)
• M14: 8,361,175 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.4

Radius: 9.4

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.32 AU - 1.48 AU

Year: 1087 Days

Day: 14.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,515,188 km

• M1: 116,986 km (0.098 R)
• M2: 561,890 km (0.046 R)
• M3: 871,707 km (0.075 R)
• M4: 1,427,463 km (0.11 R)
• M5: 1,763,460 km (0.066 R)
• M6: 2,080,458 km (0.058 R)
• M7: 2,504,568 km (0.118 R)
• M8: 3,065,111 km (0.043 R)
• M9: 3,940,109 km (0.101 R)
• M10: 4,470,583 km (0.068 R)
• M11: 5,029,181 km (0.109 R)
• M12: 5,473,038 km (0.11 R)
• M13: 6,263,812 km (0.076 R)
• M14: 6,917,106 km (0.106 R)
• M15: 8,385,709 km (0.115 R)
• M16: 9,039,003 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72

Radius: 11.2

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.73 AU - 2.39 AU

Year: 1940 Days

Day: 7 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,515,188 km

• M1: 139,276 km (0.114 R)
• M2: 622,626 km (0.098 R)
• M3: 1,063,790 km (0.115 R)
• M4: 2,192,058 km (0.07 R)
• M5: 3,166,538 km (0.045 R)
• M6: 3,849,602 km (0.076 R)
• M7: 4,409,098 km (0.1 R)
• M8: 6,398,451 km (0.098 R)
• M9: 6,909,028 km (0.104 R)
• M10: 7,579,675 km (0.075 R)

Asteroid Belt

Center: 2.64 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.2

Radius: 12.6

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.76 AU - 3.66 AU

Year: 3773 Days

Day: 13.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,515,188 km

• M1: 156,779 km (0.088 R)
• M2: 588,967 km (0.088 R)
• M3: 1,305,690 km (0.074 R)
• M4: 1,837,810 km (0.066 R)
• M5: 3,361,464 km (0.079 R)
• M6: 4,729,985 km (0.11 R)
• M7: 6,140,544 km (0.052 R)
• M8: 7,029,604 km (0.086 R)
• M9: 7,861,518 km (0.047 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.3

Radius: 9.6

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.23 AU - 4.53 AU

Year: 6013 Days

Day: 15 Hours

Environment

Temp: -205 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 32,515,188 km

• M1: 135,386 km (0.109 R)
• M2: 436,826 km (0.115 R)
• M3: 968,048 km (0.101 R)
• M4: 1,800,560 km (0.115 R)
• M5: 2,287,351 km (0.077 R)
• M6: 2,588,791 km (0.084 R)
• M7: 2,974,155 km (0.092 R)
• M8: 3,355,630 km (0.118 R)
• M9: 3,884,309 km (0.118 R)
• M10: 4,753,772 km (0.113 R)
• M11: 6,055,871 km (0.104 R)
• M12: 6,638,406 km (0.108 R)
• M13: 6,943,436 km (0.115 R)
• M14: 8,414,282 km (0.087 R)
• M15: 10,260,768 km (0.116 R)
• M16: 10,761,772 km (0.113 R)
• M17: 11,714,261 km (0.073 R)
• M18: 12,515,807 km (0.071 R)
• M19: 12,825,773 km (0.064 R)
• M20: 13,841,094 km (0.101 R)
• M21: 15,850,343 km (0.115 R)
• M22: 17,272,121 km (0.047 R)
• M23: 17,851,065 km (0.088 R)
• M24: 21,086,418 km (0.119 R)
• M25: 21,452,185 km (0.082 R)
• M26: 21,971,140 km (0.087 R)
• M27: 22,498,622 km (0.12 R)
• M28: 24,612,440 km (0.092 R)
• M29: 27,026,800 km (0.093 R)
• M30: 31,743,920 km (0.054 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: 227 - 12,129 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit