🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.6

Radius: 12.5

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.67 AU - 0.93 AU

Year: 477 Days

Day: 10.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 14,190,256 km

• M1: 155,582 km (0.085 R)
• M2: 611,706 km (0.032 R)
• M3: 1,341,444 km (0.093 R)
• M4: 1,739,225 km (0.116 R)
• M5: 2,190,861 km (0.077 R)
• M6: 2,700,690 km (0.082 R)
• M7: 3,140,209 km (0.119 R)
• M8: 3,677,714 km (0.045 R)
• M9: 4,389,202 km (0.091 R)
• M10: 4,907,857 km (0.096 R)
• M11: 5,500,714 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.4

Radius: 13.6

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.97 AU - 1.51 AU

Year: 921 Days

Day: 11 Hours

Environment

Temp: -176 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 14,190,256 km

• M1: 169,494 km (0.106 R)
• M2: 600,486 km (0.088 R)
• M3: 1,239,867 km (0.118 R)
• M4: 1,839,007 km (0.085 R)
• M5: 3,347,252 km (0.062 R)
• M6: 3,775,701 km (0.037 R)
• M7: 4,335,346 km (0.102 R)
• M8: 4,881,079 km (0.084 R)
• M9: 5,737,527 km (0.034 R)
• M10: 6,355,666 km (0.099 R)
• M11: 8,281,589 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.2

Radius: 10.5

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.19 AU - 1.33 AU

Year: 943 Days

Day: 5.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 14,190,256 km

• M1: 130,599 km (0.116 R)
• M2: 496,515 km (0.083 R)
• M3: 830,867 km (0.103 R)
• M4: 1,194,539 km (0.104 R)
• M5: 1,631,215 km (0.111 R)
• M6: 2,027,500 km (0.098 R)
• M7: 2,858,965 km (0.075 R)
• M8: 3,252,707 km (0.113 R)
• M9: 3,698,059 km (0.109 R)
• M10: 4,100,029 km (0.11 R)
• M11: 4,531,170 km (0.102 R)
• M12: 6,009,346 km (0.068 R)
• M13: 6,776,335 km (0.108 R)
• M14: 7,430,676 km (0.117 R)
• M15: 8,395,283 km (0.088 R)
• M16: 9,237,070 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.6

Radius: 8.8

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.1 AU - 2.18 AU

Year: 2088 Days

Day: 11.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 14,190,256 km

• M1: 109,506 km (0.104 R)
• M2: 528,529 km (0.102 R)
• M3: 838,197 km (0.095 R)
• M4: 1,327,681 km (0.106 R)
• M5: 1,700,629 km (0.107 R)
• M6: 2,212,253 km (0.09 R)
• M7: 2,673,763 km (0.118 R)
• M8: 6,219,681 km (0.061 R)
• M9: 6,934,310 km (0.107 R)
• M10: 9,006,091 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.4

Radius: 9

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.8 AU - 3.46 AU

Year: 3693 Days

Day: 14.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 14,190,256 km

• M1: 112,647 km (0.064 R)
• M2: 446,250 km (0.096 R)
• M3: 773,271 km (0.109 R)
• M4: 1,100,292 km (0.088 R)
• M5: 1,609,972 km (0.055 R)
• M6: 1,965,716 km (0.03 R)
• M7: 2,270,148 km (0.072 R)
• M8: 2,993,453 km (0.06 R)
• M9: 3,575,688 km (0.079 R)
• M10: 3,990,074 km (0.099 R)
• M11: 4,552,862 km (0.096 R)
• M12: 5,116,546 km (0.097 R)
• M13: 5,920,934 km (0.092 R)
• M14: 6,472,352 km (0.06 R)
• M15: 7,217,499 km (0.1 R)
• M16: 8,157,871 km (0.052 R)
• M17: 9,253,675 km (0.101 R)
• M18: 10,694,602 km (0.072 R)
• M19: 11,601,165 km (0.112 R)
• M20: 12,096,035 km (0.101 R)
• M21: 15,690,423 km (0.096 R)
• M22: 17,031,418 km (0.107 R)
• M23: 18,812,979 km (0.083 R)
• M24: 20,715,565 km (0.095 R)
• M25: 21,243,945 km (0.114 R)
• M26: 23,234,494 km (0.072 R)
• M27: 23,661,297 km (0.085 R)
• M28: 24,021,080 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.5

Radius: 14.5

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.09 AU - 3.45 AU

Year: 3943 Days

Day: 6.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 14,190,256 km

• M1: 180,415 km (0.06 R)
• M2: 1,060,649 km (0.116 R)
• M3: 1,651,411 km (0.031 R)
• M4: 3,294,594 km (0.036 R)
• M5: 5,478,573 km (0.091 R)
• M6: 6,458,439 km (0.119 R)
• M7: 8,111,795 km (0.104 R)
• M8: 8,867,264 km (0.075 R)
• M9: 9,349,717 km (0.111 R)
• M10: 9,959,179 km (0.11 R)
• M11: 12,796,901 km (0.102 R)
• M12: 13,913,500 km (0.039 R)
• M13: 14,519,221 km (0.054 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.6

Radius: 8.3

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.2 AU - 3.56 AU

Year: 4144 Days

Day: 7.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 14,190,256 km

• M1: 104,569 km (0.117 R)
• M2: 416,480 km (0.111 R)
• M3: 730,636 km (0.045 R)
• M4: 1,010,234 km (0.113 R)
• M5: 1,886,130 km (0.094 R)
• M6: 2,412,864 km (0.077 R)
• M7: 3,066,607 km (0.118 R)
• M8: 3,417,863 km (0.1 R)
• M9: 3,777,197 km (0.093 R)
• M10: 4,141,767 km (0.097 R)
• M11: 5,076,903 km (0.052 R)
• M12: 5,569,978 km (0.086 R)
• M13: 6,198,289 km (0.104 R)
• M14: 7,506,223 km (0.094 R)
• M15: 8,431,934 km (0.061 R)
• M16: 9,431,697 km (0.101 R)
• M17: 10,923,188 km (0.059 R)
• M18: 11,545,664 km (0.069 R)
• M19: 15,161,146 km (0.063 R)
• M20: 16,483,292 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.2

Radius: 11.5

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.48 AU - 5.22 AU

Year: 6050 Days

Day: 9.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 14,190,256 km

• M1: 143,016 km (0.107 R)
• M2: 539,749 km (0.111 R)
• M3: 993,928 km (0.098 R)
• M4: 1,751,791 km (0.103 R)
• M5: 2,196,396 km (0.084 R)
• M6: 2,846,249 km (0.08 R)
• M7: 3,699,107 km (0.115 R)
• M8: 4,218,211 km (0.088 R)
• M9: 5,200,022 km (0.067 R)
• M10: 6,443,479 km (0.112 R)
• M11: 7,323,564 km (0.066 R)
• M12: 8,666,653 km (0.065 R)
• M13: 9,136,840 km (0.068 R)
• M14: 9,893,206 km (0.07 R)
• M15: 12,011,662 km (0.117 R)
• M16: 16,133,831 km (0.101 R)
• M17: 17,465,701 km (0.099 R)
• M18: 18,630,470 km (0.115 R)
• M19: 20,033,249 km (0.093 R)
• M20: 20,985,290 km (0.057 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.6

Radius: 14.4

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.54 AU - 5.28 AU

Year: 6176 Days

Day: 11.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 14,190,256 km

• M1: 179,069 km (0.12 R)
• M2: 764,445 km (0.069 R)
• M3: 2,183,531 km (0.095 R)
• M4: 2,679,447 km (0.111 R)
• M5: 4,643,219 km (0.115 R)
• M6: 5,430,552 km (0.107 R)
• M7: 7,219,144 km (0.101 R)
• M8: 8,998,013 km (0.059 R)
• M9: 9,469,246 km (0.116 R)
• M10: 11,304,214 km (0.084 R)
• M11: 13,487,744 km (0.065 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: 231 - 10,550 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit