🌌 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: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.4

Radius: 9.2

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.53 AU - 0.67 AU

Year: 321 Days

Day: 7 Hours

Environment

Temp: -146 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,985,942 km

• M1: 114,442 km (0.106 R)
• M2: 446,699 km (0.079 R)
• M3: 755,469 km (0.104 R)
• M4: 1,075,309 km (0.079 R)
• M5: 1,413,251 km (0.093 R)
• M6: 1,896,901 km (0.113 R)
• M7: 2,231,701 km (0.108 R)
• M8: 2,529,550 km (0.074 R)
• M9: 2,909,230 km (0.117 R)
• M10: 3,216,354 km (0.064 R)
• M11: 3,840,028 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.2

Radius: 11

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.16 AU - 1.52 AU

Year: 1071 Days

Day: 14.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,985,942 km

• M1: 136,732 km (0.087 R)
• M2: 564,582 km (0.103 R)
• M3: 1,012,478 km (0.107 R)
• M4: 1,390,363 km (0.107 R)
• M5: 1,990,848 km (0.118 R)
• M6: 2,374,717 km (0.107 R)
• M7: 2,757,687 km (0.114 R)
• M8: 3,726,782 km (0.116 R)
• M9: 4,385,013 km (0.106 R)
• M10: 5,394,649 km (0.077 R)
• M11: 5,911,809 km (0.066 R)
• M12: 6,691,363 km (0.078 R)
• M13: 7,741,091 km (0.088 R)
• M14: 8,757,310 km (0.083 R)
• M15: 9,297,807 km (0.086 R)
• M16: 9,650,409 km (0.104 R)
• M17: 10,571,483 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.5

Radius: 11.5

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.64 AU - 3.56 AU

Year: 3768 Days

Day: 12.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,985,942 km

• M1: 143,016 km (0.109 R)
• M2: 612,454 km (0.04 R)
• M3: 1,955,244 km (0.069 R)
• M4: 2,743,775 km (0.113 R)
• M5: 3,456,010 km (0.091 R)
• M6: 3,856,484 km (0.054 R)
• M7: 4,679,721 km (0.098 R)
• M8: 5,222,611 km (0.065 R)
• M9: 6,058,714 km (0.105 R)
• M10: 6,494,193 km (0.049 R)
• M11: 6,857,566 km (0.066 R)
• M12: 7,860,022 km (0.089 R)
• M13: 12,077,634 km (0.111 R)
• M14: 12,722,701 km (0.086 R)
• M15: 14,334,019 km (0.093 R)
• M16: 15,057,175 km (0.06 R)
• M17: 15,696,257 km (0.088 R)
• M18: 18,195,589 km (0.104 R)
• M19: 23,399,800 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.7

Radius: 13.6

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.65 AU - 5.23 AU

Year: 6458 Days

Day: 5.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,985,942 km

• M1: 169,494 km (0.096 R)
• M2: 631,752 km (0.07 R)
• M3: 1,367,474 km (0.081 R)
• M4: 2,082,253 km (0.08 R)
• M5: 2,616,616 km (0.04 R)
• M6: 5,737,976 km (0.117 R)
• M7: 6,941,940 km (0.105 R)
• M8: 8,108,055 km (0.081 R)
• M9: 8,593,201 km (0.043 R)
• M10: 9,801,054 km (0.106 R)
• M11: 11,719,198 km (0.093 R)
• M12: 13,480,863 km (0.096 R)
• M13: 13,933,396 km (0.111 R)
• M14: 14,454,595 km (0.117 R)
• M15: 17,725,253 km (0.12 R)
• M16: 18,964,073 km (0.087 R)
• M17: 19,749,013 km (0.03 R)
• M18: 20,259,740 km (0.077 R)
• M19: 22,234,582 km (0.103 R)
• M20: 24,417,963 km (0.104 R)
• M21: 26,037,809 km (0.113 R)
• M22: 26,829,630 km (0.118 R)
• M23: 27,637,608 km (0.098 R)
• M24: 28,739,845 km (0.064 R)
• M25: 35,332,773 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 103.8

Radius: 4.2

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 7.51 AU - 10.97 AU

Year: 19387 Days

Day: 16.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,985,942 km

• M1: 54,753 km (0.091 R)
• M2: 425,008 km (0.116 R)
• M3: 593,904 km (0.066 R)
• M4: 1,504,356 km (0.032 R)
• M5: 2,950,220 km (0.12 R)
• M6: 3,839,429 km (0.116 R)
• M7: 4,041,835 km (0.113 R)
• M8: 5,409,309 km (0.06 R)
• M9: 5,826,987 km (0.113 R)
• M10: 7,400,756 km (0.075 R)
• M11: 8,623,270 km (0.102 R)
• M12: 13,430,598 km (0.102 R)
• M13: 14,134,605 km (0.067 R)
• M14: 14,801,213 km (0.085 R)
• M15: 17,333,905 km (0.109 R)
• M16: 19,542,119 km (0.088 R)
• M17: 20,829,260 km (0.08 R)
• M18: 31,152,859 km (0.108 R)
• M19: 32,695,662 km (0.075 R)
• M20: 35,158,940 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 674.4

Radius: 5.8

Gravity: 20.05 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 8.9 AU - 10.04 AU

Year: 20116 Days

Day: 23.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 75,985,942 km

• M1: 72,405 km (0.059 R)
• M2: 254,765 km (0.107 R)
• M3: 552,764 km (0.075 R)
• M4: 1,330,823 km (0.103 R)
• M5: 1,885,532 km (0.075 R)
• M6: 2,183,979 km (0.069 R)
• M7: 2,951,716 km (0.059 R)
• M8: 3,299,082 km (0.098 R)
• M9: 3,673,376 km (0.091 R)
• M10: 5,265,995 km (0.042 R)
• M11: 6,627,335 km (0.104 R)
• M12: 8,840,337 km (0.03 R)
• M13: 9,561,398 km (0.049 R)
• M14: 11,959,602 km (0.093 R)
• M15: 12,360,973 km (0.081 R)
• M16: 14,428,864 km (0.116 R)
• M17: 15,982,438 km (0.115 R)
• M18: 18,516,925 km (0.088 R)
• M19: 19,601,659 km (0.064 R)
• M20: 24,472,267 km (0.079 R)
• M21: 31,842,804 km (0.085 R)
• M22: 32,613,383 km (0.084 R)
• M23: 33,792,663 km (0.079 R)
• M24: 36,235,895 km (0.09 R)
• M25: 37,358,627 km (0.082 R)
• M26: 39,378,947 km (0.091 R)
• M27: 41,775,654 km (0.03 R)
• M28: 42,389,604 km (0.116 R)
• M29: 42,698,972 km (0.114 R)
• M30: 51,103,081 km (0.052 R)
• M31: 55,045,135 km (0.113 R)
• M32: 55,228,991 km (0.073 R)
• M33: 73,063,600 km (0.111 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 16,602 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit