🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.1

Radius: 8.3

Gravity: 12.7 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.43 AU - 0.61 AU

Year: 264 Days

Day: 6.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,625,611 km

• M1: 103,223 km (0.092 R)
• M2: 380,727 km (0.078 R)
• M3: 690,095 km (0.093 R)
• M4: 995,574 km (0.118 R)
• M5: 1,267,244 km (0.116 R)
• M6: 1,742,366 km (0.1 R)
• M7: 2,103,496 km (0.091 R)
• M8: 2,858,965 km (0.096 R)
• M9: 3,364,157 km (0.089 R)
• M10: 3,737,104 km (0.107 R)
• M11: 4,013,112 km (0.076 R)
• M12: 4,367,659 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.9

Radius: 9.1

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.59 AU - 0.65 AU

Year: 343 Days

Day: 10 Hours

Environment

Temp: -147 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,625,611 km

• M1: 113,246 km (0.098 R)
• M2: 404,662 km (0.109 R)
• M3: 731,833 km (0.064 R)
• M4: 1,137,991 km (0.025 R)
• M5: 1,433,297 km (0.089 R)
• M6: 1,762,413 km (0.109 R)
• M7: 2,311,885 km (0.096 R)
• M8: 2,860,610 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.2

Radius: 11.8

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.34 AU - 2.1 AU

Year: 1586 Days

Day: 12.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,625,611 km

• M1: 146,756 km (0.119 R)
• M2: 610,808 km (0.111 R)
• M3: 1,044,492 km (0.106 R)
• M4: 1,561,203 km (0.115 R)
• M5: 1,952,551 km (0.106 R)
• M6: 2,371,425 km (0.096 R)
• M7: 2,807,054 km (0.062 R)
• M8: 3,247,770 km (0.078 R)
• M9: 3,770,166 km (0.055 R)
• M10: 4,193,528 km (0.115 R)
• M11: 4,751,976 km (0.08 R)
• M12: 5,136,742 km (0.097 R)
• M13: 5,993,788 km (0.031 R)
• M14: 6,367,334 km (0.105 R)
• M15: 9,173,790 km (0.062 R)
• M16: 10,505,361 km (0.075 R)
• M17: 10,939,943 km (0.1 R)
• M18: 13,004,992 km (0.049 R)
• M19: 13,379,884 km (0.107 R)
• M20: 14,906,979 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.7

Radius: 10.4

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.78 AU - 4.2 AU

Year: 5602 Days

Day: 14.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,625,611 km

• M1: 129,552 km (0.094 R)
• M2: 489,933 km (0.114 R)
• M3: 857,495 km (0.102 R)
• M4: 1,365,978 km (0.105 R)
• M5: 2,962,487 km (0.055 R)
• M6: 3,824,170 km (0.109 R)
• M7: 4,493,770 km (0.095 R)
• M8: 5,419,332 km (0.037 R)
• M9: 5,763,557 km (0.111 R)
• M10: 7,353,783 km (0.091 R)
• M11: 7,809,906 km (0.099 R)
• M12: 8,319,586 km (0.103 R)
• M13: 9,218,221 km (0.054 R)
• M14: 11,378,564 km (0.115 R)
• M15: 11,989,521 km (0.06 R)
• M16: 12,530,617 km (0.069 R)
• M17: 13,229,837 km (0.088 R)
• M18: 16,453,522 km (0.069 R)
• M19: 20,356,381 km (0.074 R)
• M20: 21,061,884 km (0.08 R)
• M21: 22,726,011 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455

Radius: 15

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 4.43 AU - 4.81 AU

Year: 6980 Days

Day: 12.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,625,611 km

• M1: 186,549 km (0.075 R)
• M2: 1,320,201 km (0.042 R)
• M3: 1,857,557 km (0.087 R)
• M4: 3,089,645 km (0.107 R)
• M5: 4,501,849 km (0.084 R)
• M6: 7,184,288 km (0.098 R)
• M7: 8,023,083 km (0.097 R)
• M8: 13,393,049 km (0.097 R)
• M9: 14,607,933 km (0.113 R)
• M10: 15,359,662 km (0.115 R)
• M11: 17,193,283 km (0.064 R)
• M12: 18,897,053 km (0.092 R)
• M13: 21,218,812 km (0.09 R)
• M14: 22,258,966 km (0.103 R)
• M15: 23,177,497 km (0.115 R)
• M16: 24,927,044 km (0.046 R)
• M17: 26,848,629 km (0.039 R)
• M18: 29,137,776 km (0.106 R)
• M19: 30,237,021 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 547.8

Radius: 6.9

Gravity: 11.51 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.06 AU - 5.84 AU

Year: 8943 Days

Day: 20.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,625,611 km

• M1: 86,019 km (0.059 R)
• M2: 338,390 km (0.052 R)
• M3: 574,306 km (0.093 R)
• M4: 861,534 km (0.038 R)
• M5: 1,868,029 km (0.035 R)
• M6: 3,074,236 km (0.112 R)
• M7: 3,408,587 km (0.078 R)
• M8: 3,742,191 km (0.11 R)
• M9: 5,781,060 km (0.091 R)
• M10: 7,519,238 km (0.076 R)
• M11: 12,260,742 km (0.112 R)
• M12: 15,468,719 km (0.043 R)
• M13: 20,716,014 km (0.047 R)
• M14: 23,143,987 km (0.091 R)
• M15: 23,993,703 km (0.103 R)
• M16: 27,131,818 km (0.079 R)
• M17: 27,980,786 km (0.098 R)
• M18: 32,073,933 km (0.1 R)
• M19: 32,810,553 km (0.063 R)
• M20: 38,757,218 km (0.113 R)
• M21: 41,176,066 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 173.7

Radius: 7.8

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 9.28 AU - 9.54 AU

Year: 20291 Days

Day: 20.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,625,611 km

• M1: 97,089 km (0.026 R)
• M2: 419,472 km (0.054 R)
• M3: 873,652 km (0.038 R)
• M4: 1,268,291 km (0.109 R)
• M5: 1,585,139 km (0.072 R)
• M6: 2,004,312 km (0.059 R)
• M7: 2,323,554 km (0.031 R)
• M8: 2,844,903 km (0.109 R)
• M9: 5,039,503 km (0.099 R)
• M10: 6,163,133 km (0.093 R)
• M11: 8,573,903 km (0.089 R)
• M12: 11,275,341 km (0.12 R)
• M13: 12,998,260 km (0.066 R)
• M14: 13,362,830 km (0.105 R)
• M15: 14,432,754 km (0.073 R)
• M16: 16,388,148 km (0.069 R)
• M17: 20,982,149 km (0.11 R)
• M18: 23,393,068 km (0.117 R)
• M19: 25,224,295 km (0.065 R)
• M20: 26,078,649 km (0.068 R)
• M21: 26,952,151 km (0.069 R)
• M22: 28,046,160 km (0.085 R)
• M23: 29,480,804 km (0.07 R)
• M24: 35,004,705 km (0.089 R)
• M25: 35,710,657 km (0.116 R)
• M26: 41,704,146 km (0.12 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 366 - 10,758 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit