🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.4

Radius: 8.8

Gravity: 11.92 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.67 AU - 0.71 AU

Year: 382 Days

Day: 6.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,902,549 km

• M1: 109,506 km (0.073 R)
• M2: 521,947 km (0.083 R)
• M3: 833,559 km (0.081 R)
• M4: 1,156,541 km (0.107 R)
• M5: 1,851,872 km (0.106 R)
• M6: 2,538,676 km (0.112 R)
• M7: 3,006,618 km (0.098 R)
• M8: 3,693,721 km (0.097 R)
• M9: 3,980,351 km (0.049 R)
• M10: 4,747,788 km (0.117 R)
• M11: 5,576,709 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446

Radius: 11.3

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.41 AU - 1.45 AU

Year: 1140 Days

Day: 6.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,902,549 km

• M1: 141,669 km (0.109 R)
• M2: 515,664 km (0.119 R)
• M3: 890,257 km (0.063 R)
• M4: 1,245,851 km (0.039 R)
• M5: 1,786,647 km (0.111 R)
• M6: 2,220,332 km (0.068 R)
• M7: 2,809,298 km (0.116 R)
• M8: 3,528,864 km (0.09 R)
• M9: 6,481,178 km (0.097 R)
• M10: 6,928,625 km (0.087 R)
• M11: 7,301,423 km (0.077 R)
• M12: 7,910,586 km (0.064 R)
• M13: 8,396,180 km (0.096 R)
• M14: 8,793,363 km (0.111 R)
• M15: 9,230,937 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.9

Radius: 9.5

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4.15 AU - 5.69 AU

Year: 7277 Days

Day: 6.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,902,549 km

• M1: 118,182 km (0.091 R)
• M2: 942,167 km (0.066 R)
• M3: 1,445,115 km (0.115 R)
• M4: 1,945,371 km (0.111 R)
• M5: 2,305,453 km (0.106 R)
• M6: 3,075,882 km (0.096 R)
• M7: 3,474,710 km (0.111 R)
• M8: 4,269,224 km (0.087 R)
• M9: 5,302,796 km (0.064 R)
• M10: 5,682,026 km (0.08 R)
• M11: 6,181,534 km (0.084 R)
• M12: 10,438,491 km (0.044 R)
• M13: 16,729,081 km (0.088 R)
• M14: 17,271,523 km (0.094 R)
• M15: 19,188,919 km (0.054 R)
• M16: 19,858,369 km (0.051 R)
• M17: 28,957,361 km (0.096 R)
• M18: 31,859,260 km (0.082 R)
• M19: 35,059,607 km (0.09 R)
• M20: 37,538,294 km (0.045 R)
• M21: 38,117,687 km (0.117 R)
• M22: 38,938,531 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.8

Radius: 14.9

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.28 AU - 6.84 AU

Year: 8743 Days

Day: 13.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 38,902,549 km

• M1: 185,352 km (0.076 R)
• M2: 683,064 km (0.103 R)
• M3: 1,453,343 km (0.115 R)
• M4: 1,976,637 km (0.106 R)
• M5: 2,470,758 km (0.061 R)
• M6: 3,160,704 km (0.086 R)
• M7: 4,030,915 km (0.077 R)
• M8: 4,716,522 km (0.104 R)
• M9: 5,750,991 km (0.034 R)
• M10: 7,456,107 km (0.088 R)
• M11: 8,721,107 km (0.065 R)
• M12: 11,452,166 km (0.028 R)
• M13: 14,711,305 km (0.056 R)
• M14: 16,341,473 km (0.106 R)
• M15: 19,086,444 km (0.066 R)
• M16: 22,039,955 km (0.114 R)
• M17: 23,625,543 km (0.08 R)
• M18: 24,538,838 km (0.109 R)
• M19: 29,045,474 km (0.079 R)
• M20: 30,842,144 km (0.115 R)
• M21: 33,275,802 km (0.116 R)
• M22: 34,889,664 km (0.12 R)
• M23: 37,530,515 km (0.079 R)
• M24: 41,211,670 km (0.085 R)
• M25: 42,937,431 km (0.09 R)
• M26: 45,545,820 km (0.049 R)
• M27: 48,403,887 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 202.4

Radius: 3

Gravity: 22.49 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 5.9 AU - 8.92 AU

Year: 13451 Days

Day: 17.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 38,902,549 km

• M1: 37,848 km (0.066 R)
• M2: 160,818 km (0.078 R)
• M3: 541,694 km (0.107 R)
• M4: 793,766 km (0.077 R)
• M5: 1,703,621 km (0.059 R)
• M6: 2,600,011 km (0.101 R)
• M7: 2,855,524 km (0.073 R)
• M8: 3,894,781 km (0.044 R)
• M9: 4,722,655 km (0.059 R)
• M10: 6,089,381 km (0.119 R)
• M11: 6,538,773 km (0.098 R)
• M12: 8,859,036 km (0.113 R)
• M13: 9,300,051 km (0.076 R)
• M14: 11,937,162 km (0.077 R)
• M15: 14,664,930 km (0.068 R)
• M16: 16,499,299 km (0.091 R)
• M17: 20,387,347 km (0.118 R)
• M18: 22,582,846 km (0.091 R)
• M19: 22,990,650 km (0.111 R)
• M20: 25,104,318 km (0.103 R)
• M21: 26,976,984 km (0.039 R)
• M22: 30,104,328 km (0.054 R)
• M23: 33,359,428 km (0.112 R)
• M24: 36,393,422 km (0.097 R)
• M25: 38,437,976 km (0.113 R)
• M26: 38,902,477 km (0.08 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: 388 - 14,258 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit