🌌 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: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.8

Radius: 14.8

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.69 AU - 0.71 AU

Year: 391 Days

Day: 8.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,411,791 km

• M1: 184,005 km (0.078 R)
• M2: 841,338 km (0.049 R)
• M3: 1,325,736 km (0.074 R)
• M4: 1,841,999 km (0.042 R)
• M5: 3,253,305 km (0.058 R)
• M6: 3,774,953 km (0.088 R)
• M7: 4,765,590 km (0.061 R)
• M8: 5,330,621 km (0.042 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.5

Radius: 10

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.73 AU - 0.93 AU

Year: 504 Days

Day: 12.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,411,791 km

• M1: 124,316 km (0.106 R)
• M2: 498,460 km (0.091 R)
• M3: 810,970 km (0.08 R)
• M4: 1,430,305 km (0.084 R)
• M5: 1,793,379 km (0.085 R)
• M6: 4,704,255 km (0.093 R)
• M7: 5,263,601 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.5

Radius: 14.9

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.61 AU - 5.15 AU

Year: 7189 Days

Day: 11.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,411,791 km

• M1: 185,352 km (0.104 R)
• M2: 722,558 km (0.115 R)
• M3: 1,939,536 km (0.109 R)
• M4: 4,758,110 km (0.079 R)
• M5: 5,496,525 km (0.051 R)
• M6: 6,992,504 km (0.106 R)
• M7: 11,239,737 km (0.067 R)
• M8: 12,986,292 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 477.5

Radius: 6

Gravity: 13.26 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.65 AU - 7.93 AU

Year: 11799 Days

Day: 16.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,411,791 km

• M1: 74,649 km (0.104 R)
• M2: 328,517 km (0.061 R)
• M3: 746,045 km (0.113 R)
• M4: 1,569,730 km (0.073 R)
• M5: 1,953,299 km (0.111 R)
• M6: 2,553,336 km (0.045 R)
• M7: 2,972,510 km (0.084 R)
• M8: 4,334,897 km (0.103 R)
• M9: 8,262,440 km (0.114 R)
• M10: 8,529,921 km (0.092 R)
• M11: 10,463,174 km (0.12 R)
• M12: 11,531,453 km (0.102 R)
• M13: 13,820,599 km (0.087 R)
• M14: 14,776,230 km (0.118 R)
• M15: 19,903,847 km (0.076 R)
• M16: 23,791,746 km (0.081 R)
• M17: 30,422,073 km (0.072 R)
• M18: 30,739,969 km (0.047 R)
• M19: 43,050,677 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 652.7

Radius: 3.2

Gravity: 63.74 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 9.13 AU - 9.61 AU

Year: 19127 Days

Day: 16.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 57,411,791 km

• M1: 39,793 km (0.115 R)
• M2: 684,111 km (0.085 R)
• M3: 834,457 km (0.08 R)
• M4: 1,346,231 km (0.086 R)
• M5: 1,453,643 km (0.085 R)
• M6: 1,739,075 km (0.063 R)
• M7: 2,060,411 km (0.101 R)
• M8: 2,162,138 km (0.104 R)
• M9: 3,289,508 km (0.107 R)
• M10: 3,543,076 km (0.108 R)
• M11: 4,348,661 km (0.116 R)
• M12: 4,482,551 km (0.077 R)
• M13: 4,619,283 km (0.113 R)
• M14: 5,194,038 km (0.081 R)
• M15: 5,344,833 km (0.099 R)
• M16: 7,156,313 km (0.069 R)
• M17: 9,065,182 km (0.119 R)
• M18: 10,976,744 km (0.074 R)
• M19: 12,124,907 km (0.091 R)
• M20: 12,864,669 km (0.063 R)
• M21: 14,958,141 km (0.05 R)
• M22: 17,603,929 km (0.082 R)
• M23: 21,497,663 km (0.114 R)
• M24: 25,818,648 km (0.069 R)
• M25: 27,606,043 km (0.087 R)
• M26: 31,549,892 km (0.063 R)
• M27: 35,717,240 km (0.12 R)
• M28: 44,648,532 km (0.082 R)
• M29: 44,806,058 km (0.118 R)
• M30: 45,440,353 km (0.067 R)
• M31: 46,402,866 km (0.066 R)
• M32: 50,048,416 km (0.072 R)
• M33: 51,074,807 km (0.105 R)
• M34: 55,684,815 km (0.09 R)
• M35: 58,655,231 km (0.047 R)
• M36: 61,925,141 km (0.102 R)
• M37: 62,121,114 km (0.101 R)
• M38: 66,334,389 km (0.059 R)
• M39: 70,733,912 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 200.5

Radius: 3.8

Gravity: 13.89 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 10.22 AU - 11.72 AU

Year: 24229 Days

Day: 20.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,411,791 km

• M1: 47,273 km (0.107 R)
• M2: 173,234 km (0.036 R)
• M3: 976,276 km (0.096 R)
• M4: 1,114,803 km (0.116 R)
• M5: 1,306,588 km (0.09 R)
• M6: 1,789,490 km (0.117 R)
• M7: 3,450,026 km (0.08 R)
• M8: 4,236,911 km (0.081 R)
• M9: 6,962,734 km (0.026 R)
• M10: 8,733,374 km (0.103 R)
• M11: 8,880,878 km (0.075 R)
• M12: 10,839,413 km (0.1 R)
• M13: 11,414,318 km (0.118 R)
• M14: 13,985,157 km (0.107 R)
• M15: 14,459,532 km (0.109 R)
• M16: 26,749,595 km (0.106 R)
• M17: 36,153,766 km (0.045 R)
• M18: 49,541,429 km (0.066 R)
• M19: 50,325,472 km (0.119 R)
• M20: 55,036,009 km (0.052 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 382 - 10,859 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit