🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.8

Radius: 11

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.54 AU - 0.68 AU

Year: 329 Days

Day: 7.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 112.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,833,360 km

• M1: 136,732 km (0.084 R)
• M2: 539,300 km (0.114 R)
• M3: 890,257 km (0.026 R)
• M4: 1,849,478 km (0.099 R)
• M5: 2,449,366 km (0.092 R)
• M6: 3,204,686 km (0.086 R)
• M7: 3,588,703 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.6

Radius: 8.5

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.1 AU - 1.12 AU

Year: 807 Days

Day: 8.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,833,360 km

• M1: 105,766 km (0.097 R)
• M2: 420,220 km (0.068 R)
• M3: 689,197 km (0.065 R)
• M4: 955,781 km (0.072 R)
• M5: 1,227,451 km (0.07 R)
• M6: 1,718,132 km (0.103 R)
• M7: 2,146,131 km (0.106 R)
• M8: 2,610,632 km (0.064 R)
• M9: 3,029,357 km (0.089 R)
• M10: 3,465,285 km (0.083 R)
• M11: 4,075,944 km (0.074 R)
• M12: 4,415,232 km (0.105 R)
• M13: 4,806,729 km (0.074 R)
• M14: 5,328,676 km (0.116 R)
• M15: 6,142,040 km (0.042 R)
• M16: 6,589,038 km (0.094 R)
• M17: 7,299,927 km (0.119 R)
• M18: 7,755,154 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.2

Radius: 10.4

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.14 AU - 1.2 AU

Year: 874 Days

Day: 7.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,833,360 km

• M1: 129,402 km (0.068 R)
• M2: 527,781 km (0.078 R)
• M3: 858,093 km (0.114 R)
• M4: 1,413,700 km (0.105 R)
• M5: 1,770,341 km (0.068 R)
• M6: 2,167,224 km (0.066 R)
• M7: 2,600,310 km (0.079 R)
• M8: 3,116,872 km (0.109 R)
• M9: 3,642,110 km (0.065 R)
• M10: 3,972,571 km (0.08 R)
• M11: 4,608,362 km (0.12 R)
• M12: 4,996,120 km (0.04 R)
• M13: 5,443,867 km (0.114 R)
• M14: 5,817,263 km (0.112 R)
• M15: 6,186,770 km (0.116 R)
• M16: 6,748,210 km (0.06 R)
• M17: 8,023,083 km (0.045 R)
• M18: 8,404,109 km (0.115 R)
• M19: 9,011,925 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.1

Radius: 11.5

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.14 AU - 1.72 AU

Year: 1180 Days

Day: 9.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,833,360 km

• M1: 143,016 km (0.072 R)
• M2: 523,742 km (0.105 R)
• M3: 1,244,056 km (0.054 R)
• M4: 1,868,328 km (0.116 R)
• M5: 2,656,858 km (0.085 R)
• M6: 3,567,012 km (0.107 R)
• M7: 4,744,646 km (0.106 R)
• M8: 5,127,317 km (0.118 R)
• M9: 5,710,151 km (0.077 R)
• M10: 6,689,269 km (0.095 R)
• M11: 7,101,561 km (0.088 R)
• M12: 7,604,209 km (0.114 R)
• M13: 8,680,716 km (0.077 R)
• M14: 9,681,974 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.1

Radius: 8.6

Gravity: 12.01 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.39 AU - 2.05 AU

Year: 1557 Days

Day: 5.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,833,360 km

• M1: 106,962 km (0.11 R)
• M2: 436,676 km (0.095 R)
• M3: 707,748 km (0.117 R)
• M4: 1,142,180 km (0.078 R)
• M5: 1,475,633 km (0.114 R)
• M6: 1,841,849 km (0.119 R)
• M7: 2,578,768 km (0.078 R)
• M8: 3,052,844 km (0.055 R)
• M9: 3,466,183 km (0.066 R)
• M10: 5,460,173 km (0.084 R)
• M11: 5,830,876 km (0.101 R)
• M12: 6,469,061 km (0.111 R)
• M13: 6,910,973 km (0.064 R)
• M14: 7,428,432 km (0.117 R)
• M15: 8,726,493 km (0.11 R)
• M16: 11,425,837 km (0.119 R)
• M17: 12,863,323 km (0.073 R)
• M18: 14,200,727 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456

Radius: 11

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.46 AU - 2.64 AU

Year: 2811 Days

Day: 5.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,833,360 km

• M1: 137,032 km (0.096 R)
• M2: 499,358 km (0.079 R)
• M3: 849,716 km (0.113 R)
• M4: 1,320,650 km (0.107 R)
• M5: 1,815,520 km (0.036 R)
• M6: 2,585,350 km (0.042 R)
• M7: 3,167,137 km (0.086 R)
• M8: 3,596,034 km (0.057 R)
• M9: 4,571,861 km (0.109 R)
• M10: 4,919,077 km (0.115 R)
• M11: 5,890,117 km (0.06 R)
• M12: 6,515,436 km (0.119 R)
• M13: 7,213,161 km (0.099 R)
• M14: 7,746,028 km (0.108 R)
• M15: 8,241,347 km (0.115 R)
• M16: 9,999,122 km (0.08 R)
• M17: 10,438,042 km (0.105 R)
• M18: 10,813,383 km (0.07 R)
• M19: 11,275,940 km (0.105 R)
• M20: 13,390,505 km (0.105 R)
• M21: 14,611,074 km (0.087 R)
• M22: 14,986,565 km (0.102 R)
• M23: 16,352,094 km (0.061 R)
• M24: 17,798,706 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.2

Radius: 12.5

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.84 AU - 5.28 AU

Year: 7857 Days

Day: 10.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 45,833,360 km

• M1: 155,432 km (0.048 R)
• M2: 590,612 km (0.118 R)
• M3: 1,413,550 km (0.118 R)
• M4: 1,998,777 km (0.081 R)
• M5: 3,013,500 km (0.085 R)
• M6: 3,491,465 km (0.047 R)
• M7: 4,897,834 km (0.12 R)
• M8: 5,463,913 km (0.117 R)
• M9: 7,549,756 km (0.114 R)
• M10: 8,306,871 km (0.095 R)
• M11: 8,793,961 km (0.099 R)
• M12: 9,394,297 km (0.077 R)
• M13: 11,741,039 km (0.101 R)
• M14: 12,991,528 km (0.119 R)
• M15: 13,467,548 km (0.099 R)
• M16: 14,772,939 km (0.111 R)
• M17: 15,489,663 km (0.114 R)
• M18: 16,712,177 km (0.06 R)
• M19: 17,998,120 km (0.047 R)
• M20: 19,042,911 km (0.094 R)
• M21: 21,500,206 km (0.106 R)
• M22: 23,718,443 km (0.108 R)
• M23: 26,748,398 km (0.062 R)
• M24: 29,310,561 km (0.105 R)
• M25: 32,902,705 km (0.066 R)
• M26: 33,788,773 km (0.087 R)
• M27: 37,612,495 km (0.074 R)
• M28: 39,815,324 km (0.055 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 16,663 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit