🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.5

Radius: 13.9

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.66 AU - 0.76 AU

Year: 392 Days

Day: 8.7 Hours

Environment

Temp: -134 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,252,327 km

• M1: 172,935 km (0.096 R)
• M2: 649,255 km (0.104 R)
• M3: 1,189,602 km (0.079 R)
• M4: 1,888,374 km (0.111 R)
• M5: 2,350,482 km (0.109 R)
• M6: 2,869,736 km (0.099 R)
• M7: 3,346,504 km (0.116 R)
• M8: 3,852,594 km (0.104 R)
• M9: 4,358,235 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.2

Radius: 14.1

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.7 AU - 3.64 AU

Year: 3703 Days

Day: 10.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,252,327 km

• M1: 175,927 km (0.118 R)
• M2: 691,441 km (0.057 R)
• M3: 1,235,379 km (0.083 R)
• M4: 1,982,621 km (0.056 R)
• M5: 2,440,240 km (0.026 R)
• M6: 2,985,375 km (0.119 R)
• M7: 4,016,553 km (0.112 R)
• M8: 7,069,846 km (0.044 R)
• M9: 7,677,812 km (0.101 R)
• M10: 8,453,327 km (0.099 R)
• M11: 9,103,778 km (0.08 R)
• M12: 9,824,541 km (0.093 R)
• M13: 11,177,205 km (0.105 R)
• M14: 12,259,845 km (0.105 R)
• M15: 15,929,480 km (0.076 R)
• M16: 16,923,708 km (0.105 R)
• M17: 19,209,713 km (0.053 R)
• M18: 20,215,459 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.1

Radius: 12.5

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.91 AU - 6.15 AU

Year: 8531 Days

Day: 14.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,252,327 km

• M1: 155,432 km (0.107 R)
• M2: 747,092 km (0.067 R)
• M3: 1,757,476 km (0.072 R)
• M4: 2,384,141 km (0.114 R)
• M5: 2,881,704 km (0.104 R)
• M6: 3,426,838 km (0.099 R)
• M7: 4,088,510 km (0.037 R)
• M8: 4,672,540 km (0.085 R)
• M9: 6,329,785 km (0.098 R)
• M10: 6,972,757 km (0.074 R)
• M11: 8,508,828 km (0.11 R)
• M12: 15,761,931 km (0.096 R)
• M13: 22,733,640 km (0.119 R)
• M14: 23,440,042 km (0.119 R)
• M15: 23,838,720 km (0.091 R)
• M16: 24,486,030 km (0.078 R)
• M17: 30,946,264 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.1

Radius: 9.2

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.85 AU - 6.59 AU

Year: 8974 Days

Day: 6.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,252,327 km

• M1: 124,615 km (0.079 R)
• M2: 1,131,259 km (0.06 R)
• M3: 4,447,395 km (0.114 R)
• M4: 4,925,659 km (0.049 R)
• M5: 5,327,180 km (0.104 R)
• M6: 5,925,871 km (0.111 R)
• M7: 6,318,565 km (0.111 R)
• M8: 8,855,446 km (0.096 R)
• M9: 9,987,303 km (0.111 R)
• M10: 11,122,003 km (0.085 R)
• M11: 12,004,182 km (0.082 R)
• M12: 13,959,725 km (0.085 R)
• M13: 14,278,518 km (0.103 R)
• M14: 19,463,132 km (0.044 R)
• M15: 21,437,524 km (0.073 R)
• M16: 27,073,923 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 822.2

Radius: 3.2

Gravity: 80.29 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 8.48 AU - 8.96 AU

Year: 16892 Days

Day: 24.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 72,252,327 km

• M1: 40,092 km (0.048 R)
• M2: 251,025 km (0.074 R)
• M3: 382,223 km (0.1 R)
• M4: 727,794 km (0.052 R)
• M5: 929,900 km (0.084 R)
• M6: 1,508,994 km (0.094 R)
• M7: 1,641,986 km (0.067 R)
• M8: 1,746,854 km (0.084 R)
• M9: 2,405,983 km (0.091 R)
• M10: 2,706,375 km (0.081 R)
• M11: 3,005,122 km (0.095 R)
• M12: 3,243,282 km (0.072 R)
• M13: 3,909,142 km (0.087 R)
• M14: 5,016,765 km (0.091 R)
• M15: 5,661,831 km (0.116 R)
• M16: 6,149,370 km (0.092 R)
• M17: 6,886,888 km (0.09 R)
• M18: 7,489,318 km (0.036 R)
• M19: 8,075,891 km (0.077 R)
• M20: 9,618,844 km (0.115 R)
• M21: 10,429,515 km (0.108 R)
• M22: 12,518,799 km (0.069 R)
• M23: 16,511,416 km (0.099 R)
• M24: 20,800,537 km (0.114 R)
• M25: 22,845,988 km (0.112 R)
• M26: 23,250,351 km (0.114 R)
• M27: 23,454,253 km (0.114 R)
• M28: 23,556,578 km (0.082 R)
• M29: 24,491,565 km (0.113 R)
• M30: 32,623,406 km (0.067 R)
• M31: 34,045,483 km (0.081 R)
• M32: 34,705,360 km (0.096 R)
• M33: 35,105,384 km (0.097 R)
• M34: 36,460,741 km (0.108 R)
• M35: 38,987,898 km (0.066 R)
• M36: 39,855,416 km (0.111 R)
• M37: 50,604,921 km (0.114 R)
• M38: 59,636,294 km (0.116 R)
• M39: 60,402,085 km (0.092 R)
• M40: 69,261,720 km (0.047 R)
• M41: 71,819,843 km (0.056 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 14,114 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit