🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.9

Radius: 8.4

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.42 AU - 0.68 AU

Year: 277 Days

Day: 10.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 24,806,466 km

• M1: 104,419 km (0.039 R)
• M2: 447,298 km (0.079 R)
• M3: 712,834 km (0.065 R)
• M4: 986,598 km (0.098 R)
• M5: 1,305,840 km (0.071 R)
• M6: 1,961,228 km (0.098 R)
• M7: 2,249,354 km (0.094 R)
• M8: 2,531,944 km (0.062 R)
• M9: 2,838,320 km (0.091 R)
• M10: 3,228,621 km (0.105 R)
• M11: 3,536,793 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.9

Radius: 8.3

Gravity: 13.03 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.71 AU - 0.77 AU

Year: 432 Days

Day: 11.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,806,466 km

• M1: 103,223 km (0.094 R)
• M2: 389,852 km (0.115 R)
• M3: 663,018 km (0.072 R)
• M4: 1,279,660 km (0.097 R)
• M5: 1,661,733 km (0.116 R)
• M6: 2,319,814 km (0.078 R)
• M7: 2,656,709 km (0.075 R)
• M8: 2,936,307 km (0.119 R)
• M9: 4,657,730 km (0.106 R)
• M10: 4,985,947 km (0.039 R)
• M11: 5,262,853 km (0.119 R)
• M12: 5,865,583 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.7

Radius: 9.8

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.63 AU - 1.03 AU

Year: 513 Days

Day: 10.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,806,466 km

• M1: 122,221 km (0.118 R)
• M2: 489,035 km (0.104 R)
• M3: 819,647 km (0.087 R)
• M4: 1,344,586 km (0.088 R)
• M5: 1,704,369 km (0.098 R)
• M6: 2,101,102 km (0.087 R)
• M7: 2,466,570 km (0.034 R)
• M8: 2,829,345 km (0.056 R)
• M9: 3,302,074 km (0.067 R)
• M10: 5,453,890 km (0.114 R)
• M11: 5,905,526 km (0.105 R)
• M12: 6,659,798 km (0.074 R)
• M13: 7,197,453 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.8

Radius: 13.5

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.66 AU - 1.9 AU

Year: 1611 Days

Day: 10.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 24,806,466 km

• M1: 167,998 km (0.102 R)
• M2: 604,525 km (0.059 R)
• M3: 1,432,848 km (0.062 R)
• M4: 2,243,818 km (0.109 R)
• M5: 2,806,157 km (0.091 R)
• M6: 3,299,680 km (0.036 R)
• M7: 3,867,404 km (0.109 R)
• M8: 4,375,139 km (0.056 R)
• M9: 5,672,153 km (0.075 R)
• M10: 6,965,576 km (0.117 R)
• M11: 7,958,308 km (0.108 R)
• M12: 9,426,012 km (0.119 R)
• M13: 10,446,868 km (0.105 R)
• M14: 11,167,631 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.3

Radius: 8.2

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.2 AU - 2.3 AU

Year: 2289 Days

Day: 9.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,806,466 km

• M1: 102,325 km (0.119 R)
• M2: 548,575 km (0.087 R)
• M3: 1,051,224 km (0.117 R)
• M4: 1,377,048 km (0.078 R)
• M5: 1,857,258 km (0.097 R)
• M6: 2,581,910 km (0.106 R)
• M7: 2,901,899 km (0.119 R)
• M8: 3,215,606 km (0.089 R)
• M9: 4,599,835 km (0.027 R)
• M10: 5,647,768 km (0.055 R)
• M11: 7,319,973 km (0.11 R)
• M12: 10,483,071 km (0.085 R)
• M13: 11,149,380 km (0.078 R)
• M14: 12,813,955 km (0.119 R)
• M15: 13,836,008 km (0.045 R)
• M16: 14,233,041 km (0.082 R)
• M17: 14,865,690 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.6

Radius: 14.8

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.29 AU - 2.57 AU

Year: 2569 Days

Day: 10.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 24,806,466 km

• M1: 184,604 km (0.079 R)
• M2: 664,364 km (0.061 R)
• M3: 1,227,151 km (0.086 R)
• M4: 2,455,200 km (0.059 R)
• M5: 3,281,429 km (0.076 R)
• M6: 4,112,146 km (0.101 R)
• M7: 6,332,029 km (0.108 R)
• M8: 6,833,481 km (0.088 R)
• M9: 7,889,792 km (0.097 R)
• M10: 9,535,817 km (0.055 R)
• M11: 12,401,963 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 260.7

Radius: 7.7

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 8.05 AU - 8.09 AU

Year: 15549 Days

Day: 20.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 85.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 24,806,466 km

• M1: 101,278 km (0.079 R)
• M2: 362,625 km (0.044 R)
• M3: 661,821 km (0.058 R)
• M4: 1,095,356 km (0.073 R)
• M5: 1,522,458 km (0.104 R)
• M6: 1,908,270 km (0.048 R)
• M7: 2,490,805 km (0.118 R)
• M8: 2,876,917 km (0.117 R)
• M9: 3,302,373 km (0.094 R)
• M10: 3,925,448 km (0.062 R)
• M11: 7,140,606 km (0.111 R)
• M12: 7,462,690 km (0.108 R)
• M13: 10,045,048 km (0.086 R)
• M14: 10,552,634 km (0.109 R)
• M15: 14,596,115 km (0.104 R)
• M16: 14,854,321 km (0.071 R)
• M17: 16,677,470 km (0.079 R)
• M18: 17,679,327 km (0.073 R)
• M19: 17,972,838 km (0.08 R)
• M20: 19,102,302 km (0.046 R)
• M21: 20,843,471 km (0.113 R)
• M22: 23,827,650 km (0.111 R)
• M23: 24,638,620 km (0.048 R)
• M24: 25,374,940 km (0.055 R)
• M25: 26,315,761 km (0.071 R)
• M26: 27,968,220 km (0.102 R)
• M27: 28,870,444 km (0.106 R)
• M28: 31,157,497 km (0.109 R)
• M29: 34,012,871 km (0.076 R)
• M30: 34,581,343 km (0.073 R)
• M31: 35,503,913 km (0.099 R)
• M32: 39,110,269 km (0.1 R)
• M33: 41,387,298 km (0.119 R)
• M34: 45,513,656 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 22.2

Radius: 4.8

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 8.63 AU - 10.89 AU

Year: 20681 Days

Day: 17.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 102.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 24,806,466 km

• M1: 61,634 km (0.115 R)
• M2: 632,500 km (0.09 R)
• M3: 932,892 km (0.091 R)
• M4: 1,752,838 km (0.09 R)
• M5: 2,255,188 km (0.114 R)
• M6: 3,499,244 km (0.074 R)
• M7: 3,891,789 km (0.05 R)
• M8: 4,739,859 km (0.091 R)
• M9: 7,840,873 km (0.106 R)
• M10: 10,416,500 km (0.048 R)
• M11: 12,777,603 km (0.114 R)
• M12: 17,096,942 km (0.072 R)
• M13: 18,955,097 km (0.118 R)
• M14: 19,645,641 km (0.053 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 234 - 16,483 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit