🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.8

Radius: 13.4

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.46 AU - 0.74 AU

Year: 321 Days

Day: 6.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,393,436 km

• M1: 166,652 km (0.1 R)
• M2: 584,030 km (0.119 R)
• M3: 1,174,792 km (0.055 R)
• M4: 2,608,239 km (0.089 R)
• M5: 3,080,370 km (0.111 R)
• M6: 3,799,337 km (0.099 R)
• M7: 4,504,242 km (0.095 R)
• M8: 5,041,149 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.6

Radius: 14.1

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.62 AU - 0.62 AU

Year: 337 Days

Day: 8.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,393,436 km

• M1: 176,376 km (0.073 R)
• M2: 628,461 km (0.057 R)
• M3: 1,146,368 km (0.11 R)
• M4: 1,942,229 km (0.103 R)
• M5: 2,389,676 km (0.106 R)
• M6: 3,042,372 km (0.088 R)
• M7: 3,665,447 km (0.116 R)
• M8: 4,854,301 km (0.085 R)
• M9: 5,371,461 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.5

Radius: 10.9

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.64 AU - 1 AU

Year: 513 Days

Day: 8.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,393,436 km

• M1: 135,536 km (0.108 R)
• M2: 563,834 km (0.098 R)
• M3: 1,012,179 km (0.1 R)
• M4: 1,421,629 km (0.073 R)
• M5: 1,849,927 km (0.077 R)
• M6: 2,229,307 km (0.088 R)
• M7: 2,769,057 km (0.074 R)
• M8: 3,257,344 km (0.088 R)
• M9: 4,213,723 km (0.095 R)
• M10: 5,210,793 km (0.111 R)
• M11: 5,558,309 km (0.072 R)
• M12: 6,108,829 km (0.081 R)
• M13: 6,735,644 km (0.117 R)
• M14: 7,170,076 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.1

Radius: 13.6

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.98 AU - 3.16 AU

Year: 2844 Days

Day: 12.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,393,436 km

• M1: 187,297 km (0.097 R)
• M2: 772,224 km (0.11 R)
• M3: 1,413,849 km (0.09 R)
• M4: 2,182,184 km (0.088 R)
• M5: 3,625,504 km (0.038 R)
• M6: 4,053,803 km (0.113 R)
• M7: 7,722,840 km (0.101 R)
• M8: 9,468,648 km (0.038 R)
• M9: 11,256,641 km (0.074 R)
• M10: 11,888,094 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.4

Radius: 14.2

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.45 AU - 2.71 AU

Year: 2860 Days

Day: 6.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,393,436 km

• M1: 176,675 km (0.085 R)
• M2: 709,094 km (0.115 R)
• M3: 1,413,849 km (0.119 R)
• M4: 1,857,258 km (0.101 R)
• M5: 3,120,312 km (0.105 R)
• M6: 4,147,003 km (0.034 R)
• M7: 5,684,121 km (0.087 R)
• M8: 6,282,063 km (0.095 R)
• M9: 8,332,302 km (0.106 R)
• M10: 9,635,748 km (0.12 R)
• M11: 12,007,024 km (0.08 R)
• M12: 15,083,355 km (0.084 R)
• M13: 16,594,892 km (0.065 R)
• M14: 17,657,186 km (0.044 R)
• M15: 18,595,464 km (0.108 R)

Asteroid Belt

Center: 3.47 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.4

Radius: 14.1

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.61 AU - 5.09 AU

Year: 6262 Days

Day: 7 Hours

Environment

Temp: -216 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 77,393,436 km

• M1: 176,226 km (0.048 R)
• M2: 623,374 km (0.09 R)
• M3: 1,247,796 km (0.118 R)
• M4: 1,998,328 km (0.111 R)
• M5: 2,742,428 km (0.076 R)
• M6: 3,528,565 km (0.081 R)
• M7: 3,975,713 km (0.111 R)
• M8: 5,898,644 km (0.082 R)
• M9: 7,626,649 km (0.084 R)
• M10: 8,545,479 km (0.12 R)
• M11: 9,139,981 km (0.049 R)
• M12: 9,716,830 km (0.103 R)
• M13: 10,699,838 km (0.082 R)
• M14: 11,290,899 km (0.093 R)
• M15: 12,700,410 km (0.116 R)
• M16: 13,646,467 km (0.076 R)
• M17: 19,167,078 km (0.052 R)
• M18: 23,387,682 km (0.108 R)
• M19: 24,469,125 km (0.12 R)
• M20: 24,979,404 km (0.105 R)
• M21: 27,638,057 km (0.094 R)
• M22: 29,511,920 km (0.073 R)
• M23: 32,377,766 km (0.115 R)
• M24: 33,616,138 km (0.069 R)
• M25: 35,316,168 km (0.102 R)
• M26: 35,859,058 km (0.056 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.8

Radius: 13.9

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.57 AU - 5.39 AU

Year: 6545 Days

Day: 9.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 77,393,436 km

• M1: 172,935 km (0.096 R)
• M2: 618,886 km (0.11 R)
• M3: 1,446,911 km (0.075 R)
• M4: 2,427,225 km (0.047 R)
• M5: 2,961,589 km (0.099 R)
• M6: 3,862,467 km (0.037 R)
• M7: 4,486,291 km (0.064 R)
• M8: 5,422,324 km (0.079 R)
• M9: 6,844,103 km (0.098 R)
• M10: 7,721,494 km (0.077 R)
• M11: 8,249,874 km (0.105 R)
• M12: 8,802,189 km (0.1 R)
• M13: 9,793,574 km (0.055 R)
• M14: 10,857,963 km (0.099 R)
• M15: 15,009,454 km (0.118 R)
• M16: 18,349,824 km (0.057 R)
• M17: 18,926,823 km (0.028 R)
• M18: 19,665,089 km (0.103 R)
• M19: 24,074,037 km (0.096 R)
• M20: 27,667,079 km (0.085 R)
• M21: 28,235,252 km (0.109 R)
• M22: 29,297,097 km (0.085 R)
• M23: 29,986,594 km (0.098 R)
• M24: 33,812,410 km (0.094 R)
• M25: 37,952,232 km (0.051 R)
• M26: 38,419,127 km (0.115 R)
• M27: 39,483,665 km (0.051 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 699.2

Radius: 3.4

Gravity: 60.48 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 8.92 AU - 10.14 AU

Year: 20307 Days

Day: 16.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 77,393,436 km

• M1: 42,635 km (0.089 R)
• M2: 186,249 km (0.071 R)
• M3: 365,019 km (0.034 R)
• M4: 478,564 km (0.118 R)
• M5: 810,970 km (0.083 R)
• M6: 971,189 km (0.065 R)
• M7: 1,465,461 km (0.116 R)
• M8: 2,624,695 km (0.106 R)
• M9: 3,473,663 km (0.111 R)
• M10: 7,473,610 km (0.073 R)
• M11: 8,227,883 km (0.079 R)
• M12: 8,758,058 km (0.093 R)
• M13: 11,299,277 km (0.095 R)
• M14: 14,670,914 km (0.091 R)
• M15: 19,017,629 km (0.115 R)
• M16: 19,291,693 km (0.026 R)
• M17: 21,679,424 km (0.053 R)
• M18: 21,878,539 km (0.094 R)
• M19: 23,937,305 km (0.083 R)
• M20: 25,342,478 km (0.095 R)
• M21: 26,687,662 km (0.086 R)
• M22: 26,916,247 km (0.069 R)
• M23: 28,554,045 km (0.051 R)
• M24: 32,026,511 km (0.106 R)
• M25: 33,597,139 km (0.105 R)
• M26: 33,730,281 km (0.1 R)
• M27: 37,317,039 km (0.049 R)
• M28: 42,535,462 km (0.115 R)
• M29: 45,399,214 km (0.083 R)
• M30: 50,627,809 km (0.117 R)
• M31: 51,154,094 km (0.115 R)
• M32: 51,330,321 km (0.12 R)
• M33: 57,186,479 km (0.072 R)
• M34: 60,668,369 km (0.097 R)
• M35: 62,461,150 km (0.094 R)
• M36: 64,906,028 km (0.106 R)
• M37: 70,857,181 km (0.085 R)
• M38: 74,642,007 km (0.071 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 213 - 14,973 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit