🌌 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: 120

Radius: 10.6

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.41 AU - 0.63 AU

Year: 259 Days

Day: 12.2 Hours

Environment

Temp: -131 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 76,171,758 km

• M1: 131,796 km (0.061 R)
• M2: 494,271 km (0.106 R)
• M3: 921,224 km (0.107 R)
• M4: 1,261,708 km (0.067 R)
• M5: 1,625,830 km (0.113 R)
• M6: 2,103,795 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686

Radius: 8.6

Gravity: 9.28 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.51 AU - 0.61 AU

Year: 289 Days

Day: 14.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,171,758 km

• M1: 106,962 km (0.091 R)
• M2: 588,817 km (0.088 R)
• M3: 873,502 km (0.111 R)
• M4: 1,398,590 km (0.081 R)
• M5: 1,666,071 km (0.107 R)
• M6: 1,960,779 km (0.111 R)
• M7: 2,512,945 km (0.092 R)
• M8: 2,787,906 km (0.098 R)
• M9: 3,270,060 km (0.059 R)
• M10: 3,667,242 km (0.088 R)
• M11: 4,133,688 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.6

Radius: 10.1

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.07 AU - 1.17 AU

Year: 818 Days

Day: 11.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 97.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,171,758 km

• M1: 128,056 km (0.072 R)
• M2: 626,965 km (0.113 R)
• M3: 949,647 km (0.06 R)
• M4: 1,281,755 km (0.102 R)
• M5: 1,602,193 km (0.077 R)
• M6: 1,977,085 km (0.102 R)
• M7: 2,325,200 km (0.069 R)
• M8: 2,714,603 km (0.114 R)
• M9: 3,199,599 km (0.087 R)
• M10: 3,697,910 km (0.062 R)
• M11: 4,183,804 km (0.101 R)
• M12: 4,728,938 km (0.118 R)
• M13: 5,490,691 km (0.092 R)
• M14: 5,821,452 km (0.086 R)
• M15: 6,290,142 km (0.089 R)
• M16: 7,119,811 km (0.098 R)
• M17: 8,498,954 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.3

Radius: 11.7

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.44 AU - 1.94 AU

Year: 1516 Days

Day: 7.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,171,758 km

• M1: 145,559 km (0.068 R)
• M2: 512,223 km (0.116 R)
• M3: 898,634 km (0.117 R)
• M4: 1,553,873 km (0.073 R)
• M5: 2,640,253 km (0.075 R)
• M6: 3,063,914 km (0.052 R)
• M7: 4,345,669 km (0.1 R)
• M8: 5,980,175 km (0.069 R)
• M9: 8,732,177 km (0.075 R)
• M10: 9,648,165 km (0.091 R)
• M11: 10,146,476 km (0.063 R)
• M12: 11,522,776 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.6

Radius: 14.1

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.44 AU - 5.48 AU

Year: 7625 Days

Day: 7.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 76,171,758 km

• M1: 175,628 km (0.114 R)
• M2: 738,265 km (0.119 R)
• M3: 1,425,069 km (0.097 R)
• M4: 1,915,601 km (0.111 R)
• M5: 2,379,354 km (0.079 R)
• M6: 3,294,444 km (0.115 R)
• M7: 3,797,991 km (0.103 R)
• M8: 4,623,173 km (0.058 R)
• M9: 5,078,997 km (0.107 R)
• M10: 6,560,764 km (0.101 R)
• M11: 8,232,221 km (0.083 R)
• M12: 9,706,957 km (0.075 R)
• M13: 11,921,454 km (0.05 R)
• M14: 12,401,813 km (0.105 R)
• M15: 14,635,459 km (0.108 R)
• M16: 16,461,899 km (0.12 R)
• M17: 22,687,564 km (0.035 R)
• M18: 28,205,631 km (0.051 R)
• M19: 29,060,733 km (0.112 R)
• M20: 33,916,231 km (0.03 R)
• M21: 36,535,690 km (0.11 R)
• M22: 38,936,137 km (0.091 R)
• M23: 39,404,977 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.8

Radius: 10.9

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.56 AU - 6.24 AU

Year: 8662 Days

Day: 6.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,171,758 km

• M1: 136,882 km (0.097 R)
• M2: 1,455,138 km (0.11 R)
• M3: 2,066,096 km (0.032 R)
• M4: 2,760,530 km (0.06 R)
• M5: 4,680,917 km (0.107 R)
• M6: 5,432,946 km (0.107 R)
• M7: 5,824,892 km (0.057 R)
• M8: 15,115,967 km (0.041 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 983.1

Radius: 7.6

Gravity: 17.02 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 6.25 AU - 9.65 AU

Year: 15473 Days

Day: 19.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 76,171,758 km

• M1: 94,546 km (0.075 R)
• M2: 373,995 km (0.089 R)
• M3: 753,973 km (0.036 R)
• M4: 1,548,188 km (0.076 R)
• M5: 2,084,048 km (0.101 R)
• M6: 3,436,712 km (0.108 R)
• M7: 3,934,274 km (0.09 R)
• M8: 5,073,013 km (0.034 R)
• M9: 8,437,619 km (0.12 R)
• M10: 9,903,678 km (0.074 R)
• M11: 11,405,790 km (0.104 R)
• M12: 12,443,252 km (0.105 R)
• M13: 12,848,064 km (0.119 R)
• M14: 13,684,166 km (0.111 R)
• M15: 14,704,723 km (0.088 R)
• M16: 15,932,323 km (0.094 R)
• M17: 19,749,312 km (0.094 R)
• M18: 20,486,232 km (0.072 R)
• M19: 21,917,285 km (0.108 R)
• M20: 23,109,131 km (0.118 R)
• M21: 24,030,953 km (0.113 R)
• M22: 25,190,785 km (0.107 R)
• M23: 26,608,973 km (0.108 R)
• M24: 27,735,445 km (0.081 R)
• M25: 29,484,394 km (0.101 R)
• M26: 30,325,134 km (0.04 R)
• M27: 32,306,857 km (0.093 R)
• M28: 34,770,435 km (0.093 R)
• M29: 35,708,713 km (0.106 R)
• M30: 35,979,933 km (0.035 R)
• M31: 37,776,155 km (0.092 R)
• M32: 39,486,508 km (0.082 R)
• M33: 44,926,634 km (0.111 R)
• M34: 45,879,423 km (0.101 R)
• M35: 51,017,362 km (0.096 R)
• M36: 55,611,961 km (0.114 R)
• M37: 56,159,190 km (0.094 R)
• M38: 58,760,697 km (0.083 R)
• M39: 60,474,790 km (0.037 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 922.8

Radius: 7.4

Gravity: 16.85 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 9.08 AU - 9.18 AU

Year: 19042 Days

Day: 23.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 152.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 76,171,758 km

• M1: 97,687 km (0.102 R)
• M2: 339,737 km (0.079 R)
• M3: 1,029,832 km (0.093 R)
• M4: 1,392,008 km (0.091 R)
• M5: 2,465,672 km (0.087 R)
• M6: 3,173,569 km (0.084 R)
• M7: 3,457,057 km (0.071 R)
• M8: 4,173,631 km (0.081 R)
• M9: 5,136,892 km (0.08 R)
• M10: 5,691,002 km (0.071 R)
• M11: 6,416,701 km (0.069 R)
• M12: 6,825,253 km (0.092 R)
• M13: 8,207,538 km (0.101 R)
• M14: 13,681,922 km (0.025 R)
• M15: 14,978,936 km (0.078 R)
• M16: 18,531,436 km (0.095 R)
• M17: 22,401,982 km (0.111 R)
• M18: 27,956,700 km (0.088 R)
• M19: 28,558,084 km (0.116 R)
• M20: 29,911,346 km (0.061 R)
• M21: 31,306,945 km (0.079 R)
• M22: 38,200,564 km (0.115 R)
• M23: 39,090,223 km (0.084 R)
• M24: 44,883,999 km (0.115 R)
• M25: 50,158,520 km (0.097 R)
• M26: 50,867,914 km (0.085 R)
• M27: 52,125,284 km (0.055 R)
• M28: 54,701,957 km (0.086 R)
• M29: 59,512,127 km (0.032 R)
• M30: 60,907,875 km (0.061 R)
• M31: 74,006,665 km (0.125 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 717.3

Radius: 5.7

Gravity: 22.08 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 8.12 AU - 10.48 AU

Year: 19577 Days

Day: 17.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 76,171,758 km

• M1: 73,004 km (0.114 R)
• M2: 266,583 km (0.1 R)
• M3: 984,803 km (0.07 R)
• M4: 1,362,687 km (0.095 R)
• M5: 1,777,522 km (0.051 R)
• M6: 2,338,065 km (0.06 R)
• M7: 2,830,691 km (0.116 R)
• M8: 3,250,463 km (0.076 R)
• M9: 4,148,499 km (0.069 R)
• M10: 4,904,865 km (0.119 R)
• M11: 5,354,257 km (0.104 R)
• M12: 8,539,794 km (0.072 R)
• M13: 13,080,688 km (0.104 R)
• M14: 15,700,446 km (0.072 R)
• M15: 24,211,219 km (0.094 R)
• M16: 28,593,838 km (0.108 R)
• M17: 31,792,240 km (0.11 R)
• M18: 33,345,665 km (0.095 R)
• M19: 33,741,800 km (0.062 R)
• M20: 38,452,936 km (0.116 R)
• M21: 39,917,798 km (0.061 R)
• M22: 40,663,992 km (0.085 R)
• M23: 44,534,837 km (0.041 R)
• M24: 45,015,346 km (0.06 R)
• M25: 46,971,487 km (0.085 R)
• M26: 48,475,245 km (0.102 R)
• M27: 52,999,534 km (0.108 R)
• M28: 54,446,295 km (0.063 R)
• M29: 60,496,781 km (0.1 R)
• M30: 61,877,419 km (0.088 R)
• M31: 67,610,758 km (0.088 R)
• M32: 67,821,691 km (0.075 R)
• M33: 69,741,181 km (0.111 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 19,769 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit