🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.6

Radius: 12.9

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.54 AU - 0.7 AU

Year: 337 Days

Day: 5.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,114,418 km

• M1: 160,668 km (0.045 R)
• M2: 662,270 km (0.052 R)
• M3: 1,138,440 km (0.073 R)
• M4: 1,575,415 km (0.084 R)
• M5: 2,099,157 km (0.059 R)
• M6: 2,524,464 km (0.038 R)
• M7: 3,007,964 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271

Radius: 10.7

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.82 AU - 1.9 AU

Year: 1751 Days

Day: 14 Hours

Environment

Temp: -205 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,114,418 km

• M1: 133,142 km (0.064 R)
• M2: 725,400 km (0.094 R)
• M3: 1,241,214 km (0.063 R)
• M4: 1,725,462 km (0.061 R)
• M5: 2,288,997 km (0.04 R)
• M6: 2,701,139 km (0.119 R)
• M7: 3,676,368 km (0.115 R)
• M8: 4,060,236 km (0.118 R)
• M9: 4,704,853 km (0.04 R)
• M10: 6,264,710 km (0.093 R)
• M11: 6,604,896 km (0.095 R)
• M12: 8,278,148 km (0.087 R)
• M13: 9,373,354 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.6

Radius: 13.9

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.88 AU - 1.92 AU

Year: 1808 Days

Day: 6.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,114,418 km

• M1: 172,935 km (0.116 R)
• M2: 680,072 km (0.113 R)
• M3: 1,137,093 km (0.052 R)
• M4: 1,755,830 km (0.057 R)
• M5: 2,458,342 km (0.073 R)
• M6: 3,211,567 km (0.085 R)
• M7: 3,723,641 km (0.112 R)
• M8: 6,038,518 km (0.077 R)
• M9: 6,475,643 km (0.037 R)
• M10: 7,766,373 km (0.066 R)
• M11: 9,289,280 km (0.09 R)
• M12: 9,979,674 km (0.046 R)
• M13: 10,853,026 km (0.092 R)
• M14: 11,502,131 km (0.041 R)
• M15: 12,055,943 km (0.111 R)
• M16: 13,562,393 km (0.106 R)
• M17: 14,361,096 km (0.065 R)
• M18: 15,810,101 km (0.098 R)
• M19: 16,845,618 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.5

Radius: 13.6

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.54 AU - 2.88 AU

Year: 3079 Days

Day: 12.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,114,418 km

• M1: 169,195 km (0.07 R)
• M2: 602,879 km (0.119 R)
• M3: 1,155,344 km (0.112 R)
• M4: 1,670,709 km (0.108 R)
• M5: 2,482,577 km (0.098 R)
• M6: 3,525,573 km (0.118 R)
• M7: 4,054,551 km (0.112 R)
• M8: 5,348,124 km (0.043 R)
• M9: 6,960,490 km (0.056 R)
• M10: 7,480,342 km (0.1 R)
• M11: 10,758,480 km (0.099 R)
• M12: 17,817,106 km (0.102 R)
• M13: 18,968,860 km (0.096 R)
• M14: 20,914,381 km (0.079 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 59

Radius: 5.8

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.46 AU - 7.7 AU

Year: 11651 Days

Day: 18.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,114,418 km

• M1: 72,106 km (0.078 R)
• M2: 542,292 km (0.101 R)
• M3: 927,208 km (0.118 R)
• M4: 1,458,130 km (0.038 R)
• M5: 2,592,082 km (0.06 R)
• M6: 3,650,188 km (0.084 R)
• M7: 4,822,287 km (0.103 R)
• M8: 5,428,009 km (0.117 R)
• M9: 6,548,348 km (0.102 R)
• M10: 6,912,618 km (0.031 R)
• M11: 9,087,323 km (0.098 R)
• M12: 12,170,535 km (0.106 R)
• M13: 13,577,802 km (0.093 R)
• M14: 14,070,129 km (0.108 R)
• M15: 14,421,684 km (0.117 R)
• M16: 16,268,320 km (0.086 R)
• M17: 16,767,378 km (0.065 R)
• M18: 17,049,071 km (0.115 R)
• M19: 20,105,505 km (0.089 R)
• M20: 21,397,582 km (0.12 R)
• M21: 22,470,348 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 888.8

Radius: 3.5

Gravity: 72.56 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 6.64 AU - 6.68 AU

Year: 11864 Days

Day: 23.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 48,114,418 km

• M1: 43,533 km (0.12 R)
• M2: 214,673 km (0.037 R)
• M3: 373,695 km (0.109 R)
• M4: 484,398 km (0.028 R)
• M5: 980,464 km (0.097 R)
• M6: 1,170,454 km (0.094 R)
• M7: 3,009,012 km (0.106 R)
• M8: 5,099,043 km (0.097 R)
• M9: 5,450,000 km (0.089 R)
• M10: 6,357,760 km (0.115 R)
• M11: 8,040,437 km (0.076 R)
• M12: 8,466,940 km (0.055 R)
• M13: 9,837,406 km (0.048 R)
• M14: 10,772,094 km (0.112 R)
• M15: 11,644,698 km (0.066 R)
• M16: 12,067,611 km (0.1 R)
• M17: 14,474,641 km (0.109 R)
• M18: 18,779,021 km (0.101 R)
• M19: 20,124,803 km (0.093 R)
• M20: 23,385,139 km (0.099 R)
• M21: 31,853,725 km (0.086 R)
• M22: 33,761,846 km (0.109 R)
• M23: 35,744,915 km (0.105 R)
• M24: 40,213,553 km (0.066 R)
• M25: 43,582,796 km (0.115 R)
• M26: 46,832,212 km (0.055 R)
• M27: 51,841,197 km (0.071 R)
• M28: 52,818,520 km (0.103 R)
• M29: 53,147,037 km (0.081 R)
• M30: 58,238,900 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 380

Radius: 7.1

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 5.48 AU - 9.04 AU

Year: 13503 Days

Day: 16.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,114,418 km

• M1: 94,247 km (0.069 R)
• M2: 402,418 km (0.083 R)
• M3: 695,780 km (0.067 R)
• M4: 1,283,999 km (0.106 R)
• M5: 1,561,054 km (0.076 R)
• M6: 2,347,789 km (0.119 R)
• M7: 2,744,373 km (0.058 R)
• M8: 3,231,613 km (0.027 R)
• M9: 6,127,678 km (0.083 R)
• M10: 6,919,350 km (0.052 R)
• M11: 7,157,660 km (0.087 R)
• M12: 8,166,099 km (0.098 R)
• M13: 8,658,725 km (0.091 R)
• M14: 11,259,633 km (0.108 R)
• M15: 11,813,445 km (0.12 R)
• M16: 14,148,219 km (0.091 R)
• M17: 15,796,787 km (0.025 R)
• M18: 21,673,889 km (0.109 R)
• M19: 27,153,958 km (0.068 R)
• M20: 27,549,046 km (0.081 R)
• M21: 39,597,360 km (0.113 R)
• M22: 47,255,125 km (0.091 R)
• M23: 48,114,415 km (0.117 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 452 - 14,233 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit