🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.2

Radius: 11.6

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.87 AU - 1.01 AU

Year: 598 Days

Day: 12.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 66,656,547 km

• M1: 144,212 km (0.102 R)
• M2: 774,169 km (0.102 R)
• M3: 1,233,734 km (0.098 R)
• M4: 2,397,755 km (0.112 R)
• M5: 2,921,198 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.1

Radius: 12.5

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.98 AU - 1.24 AU

Year: 767 Days

Day: 7.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,656,547 km

• M1: 158,125 km (0.098 R)
• M2: 769,382 km (0.079 R)
• M3: 1,190,799 km (0.1 R)
• M4: 1,731,895 km (0.073 R)
• M5: 2,807,802 km (0.09 R)
• M6: 3,362,063 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457

Radius: 13.4

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.39 AU - 1.71 AU

Year: 1266 Days

Day: 14.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,656,547 km

• M1: 166,652 km (0.089 R)
• M2: 816,954 km (0.117 R)
• M3: 1,238,820 km (0.12 R)
• M4: 1,962,574 km (0.111 R)
• M5: 2,411,518 km (0.114 R)
• M6: 2,840,265 km (0.102 R)
• M7: 3,492,512 km (0.105 R)
• M8: 4,276,554 km (0.111 R)
• M9: 5,213,336 km (0.116 R)
• M10: 6,066,343 km (0.076 R)
• M11: 6,893,171 km (0.088 R)
• M12: 7,542,874 km (0.098 R)
• M13: 10,038,466 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906

Radius: 14.1

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.44 AU - 1.7 AU

Year: 1291 Days

Day: 7.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,656,547 km

• M1: 175,329 km (0.099 R)
• M2: 639,082 km (0.079 R)
• M3: 1,089,372 km (0.115 R)
• M4: 1,986,660 km (0.068 R)
• M5: 2,631,277 km (0.108 R)
• M6: 3,141,106 km (0.025 R)
• M7: 4,005,184 km (0.111 R)
• M8: 6,112,270 km (0.116 R)
• M9: 6,863,700 km (0.118 R)
• M10: 8,877,736 km (0.03 R)
• M11: 10,400,942 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.1

Radius: 9.7

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.29 AU - 1.95 AU

Year: 1353 Days

Day: 7.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,656,547 km

• M1: 120,576 km (0.095 R)
• M2: 675,135 km (0.107 R)
• M3: 990,338 km (0.111 R)
• M4: 1,592,021 km (0.073 R)
• M5: 2,497,088 km (0.099 R)
• M6: 2,884,397 km (0.119 R)
• M7: 3,613,836 km (0.05 R)
• M8: 4,057,842 km (0.083 R)
• M9: 5,567,883 km (0.073 R)
• M10: 6,572,283 km (0.116 R)
• M11: 6,975,450 km (0.072 R)
• M12: 7,665,844 km (0.05 R)
• M13: 7,999,447 km (0.086 R)
• M14: 9,213,434 km (0.08 R)
• M15: 11,928,785 km (0.099 R)
• M16: 13,150,700 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 587.7

Radius: 6.3

Gravity: 14.81 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 5.71 AU - 6.65 AU

Year: 10078 Days

Day: 22 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,656,547 km

• M1: 86,019 km (0.105 R)
• M2: 477,965 km (0.088 R)
• M3: 718,070 km (0.108 R)
• M4: 1,070,971 km (0.095 R)
• M5: 1,534,276 km (0.103 R)
• M6: 3,345,158 km (0.029 R)
• M7: 4,299,144 km (0.058 R)
• M8: 4,793,415 km (0.072 R)
• M9: 6,729,959 km (0.065 R)
• M10: 8,858,438 km (0.097 R)
• M11: 9,657,590 km (0.118 R)
• M12: 11,398,460 km (0.059 R)
• M13: 17,209,141 km (0.093 R)
• M14: 18,226,556 km (0.073 R)
• M15: 21,601,783 km (0.116 R)
• M16: 22,272,580 km (0.083 R)
• M17: 22,957,140 km (0.09 R)
• M18: 32,191,068 km (0.115 R)
• M19: 40,642,600 km (0.111 R)
• M20: 41,278,989 km (0.047 R)
• M21: 41,535,400 km (0.074 R)
• M22: 41,922,111 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 983.9

Radius: 6.7

Gravity: 21.92 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 6.77 AU - 8.59 AU

Year: 13962 Days

Day: 18.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 66,656,547 km

• M1: 83,326 km (0.101 R)
• M2: 364,869 km (0.118 R)
• M3: 599,139 km (0.089 R)
• M4: 947,852 km (0.06 R)
• M5: 1,396,795 km (0.116 R)
• M6: 1,763,310 km (0.062 R)
• M7: 1,979,030 km (0.072 R)
• M8: 2,486,317 km (0.112 R)
• M9: 3,102,211 km (0.059 R)
• M10: 3,364,456 km (0.111 R)
• M11: 4,147,900 km (0.08 R)
• M12: 4,434,230 km (0.117 R)
• M13: 5,336,605 km (0.053 R)
• M14: 7,178,753 km (0.089 R)
• M15: 7,452,816 km (0.065 R)
• M16: 7,973,417 km (0.104 R)
• M17: 8,417,124 km (0.102 R)
• M18: 8,825,227 km (0.097 R)
• M19: 10,886,536 km (0.109 R)
• M20: 11,126,940 km (0.101 R)
• M21: 13,180,769 km (0.095 R)
• M22: 13,523,049 km (0.095 R)
• M23: 16,164,798 km (0.105 R)
• M24: 17,036,056 km (0.043 R)
• M25: 19,306,652 km (0.068 R)
• M26: 20,286,967 km (0.077 R)
• M27: 21,676,731 km (0.118 R)
• M28: 25,059,439 km (0.079 R)
• M29: 26,117,694 km (0.114 R)
• M30: 26,549,134 km (0.052 R)
• M31: 30,410,854 km (0.079 R)
• M32: 40,219,836 km (0.083 R)
• M33: 41,815,447 km (0.041 R)
• M34: 43,754,984 km (0.113 R)
• M35: 44,363,697 km (0.091 R)
• M36: 56,846,592 km (0.077 R)
• M37: 57,389,483 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 765.1

Radius: 4.4

Gravity: 39.52 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 7.51 AU - 8.97 AU

Year: 15517 Days

Day: 19.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 66,656,547 km

• M1: 237,412 km (0.083 R)
• M2: 417,827 km (0.114 R)
• M3: 611,855 km (0.079 R)
• M4: 987,047 km (0.079 R)
• M5: 1,280,109 km (0.05 R)
• M6: 1,695,991 km (0.074 R)
• M7: 1,871,021 km (0.077 R)
• M8: 2,341,057 km (0.056 R)
• M9: 6,043,305 km (0.088 R)
• M10: 6,411,466 km (0.029 R)
• M11: 8,530,669 km (0.109 R)
• M12: 9,637,244 km (0.072 R)
• M13: 10,658,998 km (0.098 R)
• M14: 11,256,941 km (0.102 R)
• M15: 11,751,062 km (0.109 R)
• M16: 12,131,041 km (0.11 R)
• M17: 12,388,948 km (0.045 R)
• M18: 13,872,959 km (0.047 R)
• M19: 14,657,599 km (0.087 R)
• M20: 17,926,462 km (0.071 R)
• M21: 19,464,777 km (0.097 R)
• M22: 20,720,502 km (0.052 R)
• M23: 22,029,334 km (0.112 R)
• M24: 24,399,413 km (0.112 R)
• M25: 33,142,062 km (0.102 R)
• M26: 34,027,083 km (0.067 R)
• M27: 34,668,858 km (0.106 R)
• M28: 35,188,112 km (0.08 R)
• M29: 40,525,016 km (0.066 R)
• M30: 41,682,604 km (0.03 R)
• M31: 43,310,080 km (0.102 R)
• M32: 43,912,211 km (0.085 R)
• M33: 47,324,239 km (0.119 R)
• M34: 48,769,504 km (0.12 R)
• M35: 51,075,705 km (0.093 R)
• M36: 51,916,744 km (0.103 R)
• M37: 53,109,638 km (0.107 R)
• M38: 54,146,501 km (0.06 R)
• M39: 56,439,237 km (0.091 R)
• M40: 57,157,457 km (0.089 R)
• M41: 64,287,591 km (0.119 R)
• M42: 66,257,795 km (0.109 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: 385 - 11,132 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit