🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.7

Radius: 12.4

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.51 AU - 0.57 AU

Year: 274 Days

Day: 7.2 Hours

Environment

Temp: -134 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 79,839,973 km

• M1: 154,235 km (0.116 R)
• M2: 591,660 km (0.085 R)
• M3: 1,117,646 km (0.078 R)
• M4: 1,913,357 km (0.071 R)
• M5: 2,306,350 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.2

Radius: 13.9

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.45 AU - 2.07 AU

Year: 1612 Days

Day: 6.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,839,973 km

• M1: 172,935 km (0.11 R)
• M2: 666,159 km (0.068 R)
• M3: 1,152,203 km (0.044 R)
• M4: 1,715,289 km (0.09 R)
• M5: 2,326,995 km (0.092 R)
• M6: 2,868,689 km (0.117 R)
• M7: 3,656,172 km (0.109 R)
• M8: 4,720,262 km (0.084 R)
• M9: 5,271,829 km (0.112 R)
• M10: 6,051,084 km (0.105 R)
• M11: 7,456,407 km (0.045 R)
• M12: 8,064,672 km (0.114 R)
• M13: 9,380,834 km (0.066 R)
• M14: 10,697,445 km (0.09 R)
• M15: 11,800,130 km (0.094 R)
• M16: 12,627,556 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.4

Radius: 8.4

Gravity: 13.33 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.88 AU - 2.5 AU

Year: 2237 Days

Day: 9.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,839,973 km

• M1: 104,419 km (0.119 R)
• M2: 367,712 km (0.091 R)
• M3: 636,988 km (0.096 R)
• M4: 956,080 km (0.03 R)
• M5: 1,430,754 km (0.103 R)
• M6: 1,968,259 km (0.104 R)
• M7: 2,545,408 km (0.11 R)
• M8: 3,552,201 km (0.087 R)
• M9: 4,094,643 km (0.088 R)
• M10: 7,123,103 km (0.051 R)
• M11: 7,576,683 km (0.079 R)
• M12: 9,264,596 km (0.066 R)
• M13: 9,550,478 km (0.112 R)
• M14: 10,559,067 km (0.076 R)
• M15: 10,831,783 km (0.106 R)
• M16: 12,352,446 km (0.116 R)
• M17: 14,387,426 km (0.034 R)
• M18: 16,793,857 km (0.119 R)
• M19: 17,273,169 km (0.093 R)
• M20: 19,514,893 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.3

Radius: 11.5

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.74 AU - 6.1 AU

Year: 7533 Days

Day: 5.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 79,839,973 km

• M1: 143,764 km (0.077 R)
• M2: 519,105 km (0.096 R)
• M3: 1,022,053 km (0.038 R)
• M4: 1,608,327 km (0.087 R)
• M5: 2,305,602 km (0.068 R)
• M6: 2,862,555 km (0.086 R)
• M7: 3,865,310 km (0.092 R)
• M8: 5,058,652 km (0.099 R)
• M9: 5,423,372 km (0.099 R)
• M10: 5,838,356 km (0.066 R)
• M11: 8,577,643 km (0.116 R)
• M12: 10,250,895 km (0.118 R)
• M13: 12,294,252 km (0.102 R)
• M14: 13,126,166 km (0.116 R)
• M15: 13,643,176 km (0.101 R)
• M16: 14,114,110 km (0.114 R)
• M17: 14,964,275 km (0.068 R)
• M18: 16,172,278 km (0.112 R)
• M19: 17,929,305 km (0.117 R)
• M20: 20,875,784 km (0.09 R)
• M21: 23,287,452 km (0.093 R)
• M22: 24,388,043 km (0.12 R)
• M23: 25,879,235 km (0.046 R)
• M24: 26,784,302 km (0.114 R)
• M25: 34,041,893 km (0.113 R)
• M26: 34,473,633 km (0.116 R)
• M27: 37,599,630 km (0.082 R)
• M28: 38,409,702 km (0.082 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 944.7

Radius: 3.7

Gravity: 69.01 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.91 AU - 7.59 AU

Year: 10785 Days

Day: 18 Hours

Environment

Temp: -219 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 79,839,973 km

• M1: 126,859 km (0.063 R)
• M2: 262,993 km (0.091 R)
• M3: 395,238 km (0.116 R)
• M4: 626,815 km (0.078 R)
• M5: 746,045 km (0.095 R)
• M6: 1,089,372 km (0.099 R)
• M7: 2,269,101 km (0.067 R)
• M8: 3,371,786 km (0.068 R)
• M9: 6,970,513 km (0.109 R)
• M10: 7,483,185 km (0.092 R)
• M11: 8,583,327 km (0.116 R)
• M12: 10,266,004 km (0.103 R)
• M13: 10,872,324 km (0.113 R)
• M14: 11,737,299 km (0.093 R)
• M15: 24,463,889 km (0.097 R)
• M16: 24,950,232 km (0.052 R)
• M17: 27,479,334 km (0.118 R)
• M18: 28,430,028 km (0.052 R)
• M19: 29,731,530 km (0.109 R)
• M20: 31,642,493 km (0.103 R)
• M21: 32,219,791 km (0.063 R)
• M22: 34,477,522 km (0.102 R)
• M23: 36,458,647 km (0.094 R)
• M24: 46,169,044 km (0.111 R)
• M25: 49,185,985 km (0.119 R)
• M26: 55,608,820 km (0.116 R)
• M27: 56,111,917 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 271.8

Radius: 4.3

Gravity: 14.7 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 5.91 AU - 8.17 AU

Year: 12893 Days

Day: 15.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 79,839,973 km

• M1: 62,532 km (0.079 R)
• M2: 199,863 km (0.104 R)
• M3: 334,800 km (0.072 R)
• M4: 503,247 km (0.042 R)
• M5: 658,829 km (0.031 R)
• M6: 828,922 km (0.043 R)
• M7: 1,965,566 km (0.055 R)
• M8: 2,801,220 km (0.054 R)
• M9: 3,297,885 km (0.107 R)
• M10: 4,030,765 km (0.056 R)
• M11: 4,379,926 km (0.077 R)
• M12: 5,200,172 km (0.12 R)
• M13: 5,548,884 km (0.119 R)
• M14: 6,257,529 km (0.108 R)
• M15: 7,489,917 km (0.072 R)
• M16: 9,652,503 km (0.058 R)
• M17: 16,599,978 km (0.08 R)
• M18: 19,677,206 km (0.058 R)
• M19: 22,199,576 km (0.026 R)
• M20: 22,612,317 km (0.08 R)
• M21: 25,826,277 km (0.034 R)
• M22: 29,233,219 km (0.105 R)
• M23: 33,141,912 km (0.094 R)
• M24: 34,116,094 km (0.108 R)
• M25: 37,734,417 km (0.094 R)
• M26: 40,610,287 km (0.098 R)
• M27: 41,600,475 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 826

Radius: 3.8

Gravity: 57.2 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 8.9 AU - 9.7 AU

Year: 19577 Days

Day: 22.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 79,839,973 km

• M1: 47,273 km (0.113 R)
• M2: 392,844 km (0.076 R)
• M3: 796,758 km (0.118 R)
• M4: 1,164,171 km (0.03 R)
• M5: 2,054,278 km (0.103 R)
• M6: 2,661,945 km (0.113 R)
• M7: 2,940,945 km (0.097 R)
• M8: 3,410,083 km (0.111 R)
• M9: 4,927,604 km (0.102 R)
• M10: 5,750,243 km (0.106 R)
• M11: 6,043,754 km (0.105 R)
• M12: 7,613,036 km (0.114 R)
• M13: 8,121,818 km (0.115 R)
• M14: 8,278,746 km (0.071 R)
• M15: 8,761,798 km (0.116 R)
• M16: 11,202,188 km (0.094 R)
• M17: 14,746,610 km (0.116 R)
• M18: 17,455,379 km (0.05 R)
• M19: 18,607,731 km (0.113 R)
• M20: 20,189,878 km (0.093 R)
• M21: 26,032,573 km (0.119 R)
• M22: 27,416,203 km (0.027 R)
• M23: 36,192,213 km (0.101 R)
• M24: 38,645,917 km (0.056 R)
• M25: 50,270,569 km (0.114 R)
• M26: 51,869,621 km (0.068 R)
• M27: 61,575,082 km (0.093 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: 330 - 17,204 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit