🌌 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: 658.1

Radius: 9.5

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.64 AU - 0.74 AU

Year: 370 Days

Day: 13.1 Hours

Environment

Temp: -134 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 84,071,174 km

• M1: 118,182 km (0.108 R)
• M2: 449,242 km (0.082 R)
• M3: 949,348 km (0.03 R)
• M4: 1,295,069 km (0.09 R)
• M5: 1,819,559 km (0.077 R)
• M6: 2,592,232 km (0.087 R)
• M7: 3,204,985 km (0.071 R)
• M8: 4,746,292 km (0.065 R)
• M9: 5,252,381 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.3

Radius: 8.3

Gravity: 11.24 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.98 AU - 1.18 AU

Year: 725 Days

Day: 11.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,071,174 km

• M1: 103,223 km (0.113 R)
• M2: 368,759 km (0.09 R)
• M3: 643,869 km (0.107 R)
• M4: 971,040 km (0.117 R)
• M5: 1,288,337 km (0.084 R)
• M6: 1,649,915 km (0.079 R)
• M7: 2,393,716 km (0.099 R)
• M8: 2,682,589 km (0.109 R)
• M9: 3,019,633 km (0.061 R)
• M10: 3,371,338 km (0.077 R)
• M11: 4,033,607 km (0.089 R)
• M12: 4,762,747 km (0.08 R)
• M13: 5,769,990 km (0.116 R)
• M14: 6,272,040 km (0.092 R)
• M15: 6,544,458 km (0.113 R)
• M16: 7,001,330 km (0.081 R)
• M17: 7,386,544 km (0.084 R)
• M18: 8,679,070 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233

Radius: 14.1

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.13 AU - 1.57 AU

Year: 1013 Days

Day: 7.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,071,174 km

• M1: 178,919 km (0.058 R)
• M2: 907,311 km (0.105 R)
• M3: 1,559,558 km (0.107 R)
• M4: 2,043,956 km (0.103 R)
• M5: 2,845,501 km (0.097 R)
• M6: 4,440,663 km (0.093 R)
• M7: 5,974,490 km (0.101 R)
• M8: 6,771,248 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.4

Radius: 13.3

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.07 AU - 4.75 AU

Year: 5980 Days

Day: 6.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,071,174 km

• M1: 165,455 km (0.041 R)
• M2: 649,105 km (0.106 R)
• M3: 1,099,096 km (0.081 R)
• M4: 1,992,344 km (0.052 R)
• M5: 4,035,253 km (0.11 R)
• M6: 4,921,471 km (0.072 R)
• M7: 5,581,646 km (0.06 R)
• M8: 9,029,428 km (0.097 R)
• M9: 9,935,692 km (0.085 R)
• M10: 10,543,508 km (0.043 R)
• M11: 11,738,047 km (0.083 R)
• M12: 14,069,979 km (0.105 R)
• M13: 15,061,364 km (0.061 R)
• M14: 18,316,464 km (0.112 R)
• M15: 18,770,194 km (0.067 R)
• M16: 20,521,686 km (0.045 R)
• M17: 23,274,287 km (0.048 R)
• M18: 28,973,966 km (0.054 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 442.2

Radius: 5.9

Gravity: 12.7 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 9.71 AU - 10.43 AU

Year: 20633 Days

Day: 22 Hours

Environment

Temp: -233 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 84,071,174 km

• M1: 73,453 km (0.11 R)
• M2: 385,663 km (0.105 R)
• M3: 807,081 km (0.093 R)
• M4: 1,059,602 km (0.082 R)
• M5: 1,483,412 km (0.109 R)
• M6: 1,760,318 km (0.076 R)
• M7: 2,230,055 km (0.103 R)
• M8: 3,048,655 km (0.039 R)
• M9: 3,415,768 km (0.09 R)
• M10: 6,266,655 km (0.092 R)
• M11: 9,074,906 km (0.104 R)
• M12: 10,228,605 km (0.115 R)
• M13: 12,956,971 km (0.052 R)
• M14: 14,415,400 km (0.098 R)
• M15: 14,851,478 km (0.039 R)
• M16: 17,164,710 km (0.073 R)
• M17: 18,237,776 km (0.11 R)
• M18: 21,819,298 km (0.072 R)
• M19: 23,673,863 km (0.117 R)
• M20: 25,525,436 km (0.117 R)
• M21: 26,812,127 km (0.08 R)
• M22: 27,916,907 km (0.08 R)
• M23: 31,534,184 km (0.095 R)
• M24: 39,540,812 km (0.074 R)
• M25: 41,698,462 km (0.091 R)
• M26: 42,880,584 km (0.094 R)
• M27: 49,128,240 km (0.055 R)
• M28: 58,121,316 km (0.088 R)
• M29: 63,196,124 km (0.056 R)
• M30: 65,741,682 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 797.3

Radius: 5.2

Gravity: 29.49 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 10.07 AU - 10.65 AU

Year: 21531 Days

Day: 19.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 84,071,174 km

• M1: 73,901 km (0.082 R)
• M2: 271,371 km (0.109 R)
• M3: 622,926 km (0.112 R)
• M4: 1,034,320 km (0.116 R)
• M5: 1,300,005 km (0.077 R)
• M6: 2,092,425 km (0.094 R)
• M7: 2,591,634 km (0.063 R)
• M8: 5,854,513 km (0.072 R)
• M9: 6,025,653 km (0.099 R)
• M10: 6,422,835 km (0.117 R)
• M11: 8,730,981 km (0.084 R)
• M12: 10,069,433 km (0.085 R)
• M13: 10,692,059 km (0.059 R)
• M14: 27,065,995 km (0.052 R)
• M15: 34,661,079 km (0.076 R)
• M16: 36,362,306 km (0.059 R)
• M17: 39,471,847 km (0.095 R)
• M18: 46,722,856 km (0.101 R)
• M19: 50,570,363 km (0.068 R)
• M20: 56,342,448 km (0.049 R)
• M21: 58,689,788 km (0.08 R)
• M22: 65,479,586 km (0.072 R)
• M23: 66,984,092 km (0.066 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 228 - 12,155 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit