🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796

Radius: 8

Gravity: 12.44 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.46 AU - 0.72 AU

Year: 307 Days

Day: 6.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,497,833 km

• M1: 99,483 km (0.094 R)
• M2: 395,836 km (0.068 R)
• M3: 727,195 km (0.089 R)
• M4: 996,771 km (0.106 R)
• M5: 1,569,880 km (0.1 R)
• M6: 1,984,416 km (0.059 R)
• M7: 2,320,263 km (0.074 R)
• M8: 2,570,989 km (0.054 R)
• M9: 2,940,645 km (0.084 R)
• M10: 3,492,362 km (0.115 R)
• M11: 3,823,572 km (0.113 R)
• M12: 4,480,755 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.5

Radius: 13.7

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.9 AU - 1.44 AU

Year: 858 Days

Day: 6.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 56.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,497,833 km

• M1: 173,085 km (0.094 R)
• M2: 684,859 km (0.082 R)
• M3: 1,417,141 km (0.03 R)
• M4: 1,982,621 km (0.113 R)
• M5: 2,441,736 km (0.066 R)
• M6: 2,882,901 km (0.106 R)
• M7: 4,646,061 km (0.097 R)
• M8: 5,120,735 km (0.105 R)
• M9: 6,629,878 km (0.079 R)
• M10: 7,257,591 km (0.071 R)
• M11: 7,873,934 km (0.067 R)
• M12: 8,312,854 km (0.09 R)
• M13: 8,932,638 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.9

Radius: 9.3

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.48 AU - 3.76 AU

Year: 3738 Days

Day: 10.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,497,833 km

• M1: 115,639 km (0.101 R)
• M2: 458,817 km (0.068 R)
• M3: 1,314,217 km (0.089 R)
• M4: 2,145,233 km (0.09 R)
• M5: 2,557,376 km (0.096 R)
• M6: 3,171,774 km (0.098 R)
• M7: 4,079,684 km (0.067 R)
• M8: 4,941,816 km (0.058 R)
• M9: 5,440,725 km (0.096 R)
• M10: 6,025,353 km (0.087 R)
• M11: 7,053,091 km (0.106 R)
• M12: 8,422,360 km (0.07 R)
• M13: 9,065,332 km (0.102 R)
• M14: 9,850,421 km (0.11 R)
• M15: 10,602,749 km (0.069 R)
• M16: 15,391,676 km (0.062 R)
• M17: 16,664,006 km (0.093 R)
• M18: 18,393,357 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.5

Radius: 10.5

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.59 AU - 5.25 AU

Year: 7402 Days

Day: 7 Hours

Environment

Temp: -228 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,497,833 km

• M1: 131,048 km (0.082 R)
• M2: 498,311 km (0.071 R)
• M3: 1,729,351 km (0.079 R)
• M4: 3,114,628 km (0.12 R)
• M5: 3,601,120 km (0.089 R)
• M6: 4,036,450 km (0.03 R)
• M7: 4,506,785 km (0.103 R)
• M8: 5,433,544 km (0.07 R)
• M9: 5,812,176 km (0.088 R)
• M10: 7,392,229 km (0.102 R)
• M11: 14,718,187 km (0.096 R)
• M12: 16,808,218 km (0.045 R)
• M13: 18,377,051 km (0.069 R)
• M14: 18,945,074 km (0.093 R)
• M15: 20,795,600 km (0.105 R)
• M16: 30,679,232 km (0.103 R)
• M17: 31,277,624 km (0.117 R)
• M18: 34,279,754 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 762.3

Radius: 7

Gravity: 15.56 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 7.03 AU - 9.35 AU

Year: 15897 Days

Day: 20.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 77,497,833 km

• M1: 89,908 km (0.089 R)
• M2: 413,189 km (0.109 R)
• M3: 721,810 km (0.116 R)
• M4: 2,179,043 km (0.098 R)
• M5: 2,604,798 km (0.075 R)
• M6: 3,482,040 km (0.101 R)
• M7: 4,642,620 km (0.074 R)
• M8: 6,707,221 km (0.096 R)
• M9: 7,420,653 km (0.073 R)
• M10: 7,700,999 km (0.109 R)
• M11: 9,316,656 km (0.087 R)
• M12: 11,207,124 km (0.049 R)
• M13: 11,890,188 km (0.046 R)
• M14: 13,408,008 km (0.072 R)
• M15: 13,824,190 km (0.094 R)
• M16: 16,191,277 km (0.116 R)
• M17: 16,663,408 km (0.104 R)
• M18: 20,868,454 km (0.081 R)
• M19: 21,240,055 km (0.088 R)
• M20: 22,381,637 km (0.057 R)
• M21: 23,563,310 km (0.114 R)
• M22: 30,815,665 km (0.077 R)
• M23: 31,907,281 km (0.051 R)
• M24: 32,276,788 km (0.113 R)
• M25: 33,150,140 km (0.071 R)
• M26: 33,402,512 km (0.089 R)
• M27: 34,167,406 km (0.096 R)
• M28: 36,397,910 km (0.082 R)
• M29: 38,167,653 km (0.072 R)
• M30: 39,994,093 km (0.079 R)
• M31: 43,366,927 km (0.075 R)
• M32: 46,765,940 km (0.099 R)
• M33: 49,182,694 km (0.077 R)
• M34: 51,343,485 km (0.066 R)
• M35: 51,851,071 km (0.115 R)
• M36: 60,808,991 km (0.05 R)
• M37: 62,523,981 km (0.067 R)
• M38: 64,466,809 km (0.077 R)
• M39: 65,057,421 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 26.4

Radius: 4.4

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.82 AU - 10.38 AU

Year: 17106 Days

Day: 16.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,497,833 km

• M1: 129,552 km (0.086 R)
• M2: 300,692 km (0.116 R)
• M3: 749,635 km (0.084 R)
• M4: 1,342,491 km (0.107 R)
• M5: 2,593,728 km (0.053 R)
• M6: 3,173,719 km (0.085 R)
• M7: 4,401,169 km (0.101 R)
• M8: 5,170,850 km (0.077 R)
• M9: 11,839,175 km (0.08 R)
• M10: 13,895,249 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 670.7

Radius: 7

Gravity: 13.69 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 7.45 AU - 12.13 AU

Year: 20776 Days

Day: 22.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,497,833 km

• M1: 88,113 km (0.118 R)
• M2: 318,195 km (0.091 R)
• M3: 593,305 km (0.111 R)
• M4: 922,570 km (0.098 R)
• M5: 1,714,541 km (0.081 R)
• M6: 1,994,588 km (0.111 R)
• M7: 2,695,604 km (0.033 R)
• M8: 3,349,496 km (0.109 R)
• M9: 5,078,549 km (0.1 R)
• M10: 5,580,001 km (0.035 R)
• M11: 9,705,461 km (0.104 R)
• M12: 16,558,240 km (0.071 R)
• M13: 18,181,377 km (0.059 R)
• M14: 24,859,576 km (0.082 R)
• M15: 25,186,896 km (0.095 R)
• M16: 35,290,138 km (0.102 R)
• M17: 38,836,206 km (0.106 R)
• M18: 47,626,876 km (0.103 R)
• M19: 54,292,209 km (0.1 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: 204 - 19,602 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit