🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.52 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.5

Radius: 8.3

Gravity: 9.82 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.53 AU - 3.53 AU

Year: 3577 Days

Day: 12.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 76,342,829 km

• M1: 103,223 km (0.083 R)
• M2: 402,269 km (0.096 R)
• M3: 809,923 km (0.111 R)
• M4: 1,220,719 km (0.091 R)
• M5: 2,129,675 km (0.073 R)
• M6: 2,574,131 km (0.049 R)
• M7: 2,903,844 km (0.101 R)
• M8: 3,669,037 km (0.114 R)
• M9: 4,400,272 km (0.113 R)
• M10: 4,776,361 km (0.119 R)
• M11: 6,120,797 km (0.119 R)
• M12: 6,470,557 km (0.105 R)
• M13: 7,020,478 km (0.119 R)
• M14: 7,306,809 km (0.083 R)
• M15: 7,768,019 km (0.067 R)
• M16: 8,821,338 km (0.045 R)
• M17: 9,848,177 km (0.119 R)
• M18: 10,493,243 km (0.099 R)
• M19: 13,212,783 km (0.096 R)
• M20: 14,047,240 km (0.063 R)
• M21: 14,708,762 km (0.064 R)
• M22: 15,178,649 km (0.026 R)
• M23: 16,817,942 km (0.084 R)
• M24: 17,621,881 km (0.04 R)
• M25: 21,161,666 km (0.113 R)
• M26: 21,559,746 km (0.071 R)
• M27: 21,895,294 km (0.095 R)
• M28: 22,302,649 km (0.032 R)
• M29: 24,054,440 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.1

Radius: 13

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.32 AU - 4.02 AU

Year: 4769 Days

Day: 11.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,342,829 km

• M1: 166,353 km (0.087 R)
• M2: 1,231,190 km (0.081 R)
• M3: 4,163,010 km (0.118 R)
• M4: 5,800,957 km (0.089 R)
• M5: 7,252,505 km (0.063 R)
• M6: 10,862,451 km (0.073 R)
• M7: 11,366,745 km (0.099 R)
• M8: 13,337,697 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.2

Radius: 13.8

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.4 AU - 4.78 AU

Year: 5610 Days

Day: 10.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,342,829 km

• M1: 171,738 km (0.1 R)
• M2: 860,487 km (0.042 R)
• M3: 1,427,912 km (0.101 R)
• M4: 3,149,634 km (0.111 R)
• M5: 5,533,027 km (0.057 R)
• M6: 7,689,181 km (0.106 R)
• M7: 10,724,073 km (0.11 R)
• M8: 11,875,977 km (0.048 R)
• M9: 16,254,407 km (0.117 R)
• M10: 16,939,116 km (0.118 R)
• M11: 20,511,514 km (0.119 R)
• M12: 23,284,909 km (0.102 R)
• M13: 25,961,813 km (0.079 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 750.2

Radius: 6.1

Gravity: 20.16 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 6.2 AU - 9.3 AU

Year: 14633 Days

Day: 22.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 76,342,829 km

• M1: 76,893 km (0.119 R)
• M2: 312,660 km (0.101 R)
• M3: 1,118,244 km (0.075 R)
• M4: 1,413,251 km (0.101 R)
• M5: 2,064,002 km (0.056 R)
• M6: 2,341,057 km (0.067 R)
• M7: 2,575,926 km (0.096 R)
• M8: 3,168,932 km (0.078 R)
• M9: 3,649,440 km (0.03 R)
• M10: 3,966,288 km (0.109 R)
• M11: 4,622,125 km (0.086 R)
• M12: 4,958,721 km (0.117 R)
• M13: 8,916,781 km (0.109 R)
• M14: 9,925,669 km (0.096 R)
• M15: 10,891,174 km (0.072 R)
• M16: 11,609,244 km (0.119 R)
• M17: 17,064,779 km (0.073 R)
• M18: 17,705,806 km (0.105 R)
• M19: 18,032,228 km (0.066 R)
• M20: 19,551,245 km (0.091 R)
• M21: 21,613,900 km (0.083 R)
• M22: 32,399,159 km (0.096 R)
• M23: 34,636,245 km (0.101 R)
• M24: 35,533,234 km (0.085 R)
• M25: 38,863,582 km (0.087 R)
• M26: 39,138,693 km (0.06 R)
• M27: 41,961,455 km (0.113 R)
• M28: 42,980,665 km (0.108 R)
• M29: 43,867,332 km (0.098 R)
• M30: 51,074,059 km (0.058 R)
• M31: 52,570,637 km (0.111 R)
• M32: 53,925,245 km (0.105 R)
• M33: 58,668,844 km (0.098 R)
• M34: 60,494,088 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 358.9

Radius: 6.7

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.36 AU - 9.68 AU

Year: 15405 Days

Day: 17.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 76,342,829 km

• M1: 85,869 km (0.107 R)
• M2: 310,266 km (0.097 R)
• M3: 785,838 km (0.104 R)
• M4: 1,287,140 km (0.114 R)
• M5: 1,866,233 km (0.109 R)
• M6: 2,484,222 km (0.082 R)
• M7: 2,775,340 km (0.115 R)
• M8: 3,841,673 km (0.088 R)
• M9: 4,898,732 km (0.109 R)
• M10: 5,494,431 km (0.115 R)
• M11: 9,168,853 km (0.092 R)
• M12: 10,020,065 km (0.066 R)
• M13: 10,280,216 km (0.096 R)
• M14: 10,922,889 km (0.048 R)
• M15: 11,478,645 km (0.084 R)
• M16: 11,878,819 km (0.055 R)
• M17: 12,950,388 km (0.1 R)
• M18: 13,259,308 km (0.104 R)
• M19: 17,582,836 km (0.094 R)
• M20: 20,101,765 km (0.036 R)
• M21: 22,141,682 km (0.049 R)
• M22: 23,851,585 km (0.026 R)
• M23: 24,975,813 km (0.078 R)
• M24: 26,331,619 km (0.06 R)
• M25: 28,249,015 km (0.097 R)
• M26: 29,400,619 km (0.047 R)
• M27: 30,257,516 km (0.026 R)
• M28: 30,583,190 km (0.06 R)
• M29: 31,909,076 km (0.11 R)
• M30: 32,928,287 km (0.05 R)
• M31: 33,272,960 km (0.119 R)
• M32: 33,969,188 km (0.106 R)
• M33: 35,270,840 km (0.091 R)
• M34: 38,733,581 km (0.093 R)
• M35: 39,374,908 km (0.05 R)
• M36: 40,153,714 km (0.084 R)
• M37: 41,474,663 km (0.107 R)
• M38: 42,416,382 km (0.07 R)
• M39: 44,903,147 km (0.097 R)
• M40: 47,193,790 km (0.082 R)
• M41: 51,080,492 km (0.034 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 793.1

Radius: 7.6

Gravity: 13.73 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 8.05 AU - 10.19 AU

Year: 18680 Days

Day: 17.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 76,342,829 km

• M1: 99,782 km (0.102 R)
• M2: 436,975 km (0.098 R)
• M3: 723,007 km (0.042 R)
• M4: 2,071,931 km (0.102 R)
• M5: 2,410,321 km (0.088 R)
• M6: 3,012,752 km (0.108 R)
• M7: 5,048,031 km (0.057 R)
• M8: 5,544,247 km (0.096 R)
• M9: 5,865,583 km (0.104 R)
• M10: 6,241,822 km (0.099 R)
• M11: 7,182,493 km (0.103 R)
• M12: 9,511,582 km (0.104 R)
• M13: 11,967,979 km (0.095 R)
• M14: 14,066,987 km (0.053 R)
• M15: 14,439,336 km (0.093 R)
• M16: 15,281,422 km (0.041 R)
• M17: 17,063,133 km (0.091 R)
• M18: 17,486,645 km (0.057 R)
• M19: 18,709,757 km (0.089 R)
• M20: 21,521,150 km (0.12 R)
• M21: 22,924,677 km (0.058 R)
• M22: 27,732,004 km (0.099 R)
• M23: 28,199,797 km (0.061 R)
• M24: 34,364,725 km (0.116 R)
• M25: 35,586,940 km (0.066 R)
• M26: 44,965,230 km (0.059 R)
• M27: 45,448,731 km (0.051 R)
• M28: 46,099,033 km (0.112 R)
• M29: 47,418,037 km (0.047 R)
• M30: 48,762,024 km (0.115 R)
• M31: 52,588,887 km (0.075 R)
• M32: 57,363,752 km (0.105 R)
• M33: 62,820,783 km (0.114 R)
• M34: 63,627,415 km (0.11 R)
• M35: 72,078,797 km (0.092 R)
• M36: 72,741,217 km (0.095 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: 226 - 12,002 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit