🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.3

Radius: 8.1

Gravity: 9.76 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.72 AU - 0.74 AU

Year: 409 Days

Day: 11.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,025,952 km

• M1: 100,679 km (0.057 R)
• M2: 364,271 km (0.101 R)
• M3: 625,618 km (0.09 R)
• M4: 1,281,007 km (0.089 R)
• M5: 1,650,364 km (0.058 R)
• M6: 1,942,977 km (0.111 R)
• M7: 2,226,465 km (0.082 R)
• M8: 2,634,419 km (0.099 R)
• M9: 2,887,987 km (0.101 R)
• M10: 3,213,811 km (0.117 R)
• M11: 3,552,052 km (0.078 R)
• M12: 4,044,378 km (0.081 R)
• M13: 4,552,862 km (0.073 R)
• M14: 5,165,315 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.7

Radius: 11.8

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.78 AU - 1 AU

Year: 551 Days

Day: 13.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,025,952 km

• M1: 148,850 km (0.102 R)
• M2: 547,528 km (0.083 R)
• M3: 929,601 km (0.098 R)
• M4: 1,384,229 km (0.107 R)
• M5: 1,774,081 km (0.083 R)
• M6: 2,164,532 km (0.079 R)
• M7: 2,540,770 km (0.072 R)
• M8: 3,052,993 km (0.062 R)
• M9: 3,888,497 km (0.113 R)
• M10: 5,594,960 km (0.039 R)
• M11: 6,029,542 km (0.097 R)
• M12: 6,447,818 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.5

Radius: 10.1

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.87 AU - 3.05 AU

Year: 3341 Days

Day: 6.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 77,025,952 km

• M1: 127,009 km (0.104 R)
• M2: 446,849 km (0.101 R)
• M3: 771,027 km (0.09 R)
• M4: 1,159,383 km (0.097 R)
• M5: 1,726,659 km (0.118 R)
• M6: 2,409,124 km (0.1 R)
• M7: 3,058,977 km (0.076 R)
• M8: 3,396,320 km (0.037 R)
• M9: 3,737,852 km (0.071 R)
• M10: 4,058,291 km (0.06 R)
• M11: 5,583,890 km (0.066 R)
• M12: 5,918,541 km (0.08 R)
• M13: 6,972,158 km (0.055 R)
• M14: 7,493,507 km (0.104 R)
• M15: 8,432,383 km (0.115 R)
• M16: 8,799,347 km (0.075 R)
• M17: 10,045,946 km (0.108 R)
• M18: 10,416,949 km (0.107 R)
• M19: 10,839,712 km (0.079 R)
• M20: 12,504,886 km (0.101 R)
• M21: 13,226,397 km (0.119 R)
• M22: 14,077,309 km (0.062 R)
• M23: 14,804,953 km (0.032 R)
• M24: 16,849,208 km (0.087 R)
• M25: 18,639,595 km (0.115 R)
• M26: 19,263,718 km (0.07 R)
• M27: 20,751,768 km (0.116 R)
• M28: 21,152,241 km (0.1 R)
• M29: 23,018,774 km (0.106 R)
• M30: 23,664,588 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.7

Radius: 11.8

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.87 AU - 4.79 AU

Year: 5911 Days

Day: 11.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,025,952 km

• M1: 146,756 km (0.051 R)
• M2: 627,264 km (0.047 R)
• M3: 1,186,760 km (0.076 R)
• M4: 1,631,664 km (0.059 R)
• M5: 2,215,694 km (0.091 R)
• M6: 2,770,403 km (0.113 R)
• M7: 3,745,781 km (0.105 R)
• M8: 5,133,152 km (0.073 R)
• M9: 5,620,392 km (0.101 R)
• M10: 6,110,325 km (0.062 R)
• M11: 6,658,302 km (0.083 R)
• M12: 7,176,060 km (0.085 R)
• M13: 7,687,984 km (0.115 R)
• M14: 8,361,923 km (0.048 R)
• M15: 9,259,211 km (0.104 R)
• M16: 9,983,414 km (0.108 R)
• M17: 10,910,023 km (0.098 R)
• M18: 12,203,745 km (0.074 R)
• M19: 12,934,232 km (0.099 R)
• M20: 15,511,205 km (0.114 R)
• M21: 17,484,401 km (0.084 R)
• M22: 19,435,307 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 486.9

Radius: 4.9

Gravity: 20.28 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 9.65 AU - 12.49 AU

Year: 24162 Days

Day: 20.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 77,025,952 km

• M1: 60,886 km (0.072 R)
• M2: 300,393 km (0.035 R)
• M3: 540,348 km (0.116 R)
• M4: 869,313 km (0.062 R)
• M5: 1,192,744 km (0.109 R)
• M6: 1,429,408 km (0.108 R)
• M7: 1,861,446 km (0.113 R)
• M8: 2,159,894 km (0.118 R)
• M9: 2,398,503 km (0.089 R)
• M10: 2,826,801 km (0.068 R)
• M11: 3,592,294 km (0.105 R)
• M12: 4,022,986 km (0.075 R)
• M13: 4,453,080 km (0.115 R)
• M14: 5,135,994 km (0.113 R)
• M15: 5,443,418 km (0.074 R)
• M16: 5,722,418 km (0.085 R)
• M17: 6,396,207 km (0.105 R)
• M18: 7,121,307 km (0.038 R)
• M19: 10,758,480 km (0.11 R)
• M20: 11,071,290 km (0.112 R)
• M21: 11,390,083 km (0.052 R)
• M22: 13,868,919 km (0.077 R)
• M23: 15,548,604 km (0.099 R)
• M24: 16,191,576 km (0.07 R)
• M25: 19,397,608 km (0.028 R)
• M26: 26,234,380 km (0.112 R)
• M27: 26,459,974 km (0.025 R)
• M28: 30,372,257 km (0.032 R)
• M29: 32,660,656 km (0.046 R)
• M30: 36,584,907 km (0.069 R)
• M31: 41,572,201 km (0.076 R)
• M32: 42,497,015 km (0.087 R)
• M33: 45,029,857 km (0.106 R)
• M34: 46,168,895 km (0.116 R)
• M35: 56,919,895 km (0.118 R)
• M36: 67,307,074 km (0.116 R)
• M37: 67,942,117 km (0.051 R)
• M38: 72,057,255 km (0.066 R)
• M39: 72,278,211 km (0.049 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: 283 - 18,132 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit