🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.3

Radius: 13.9

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.9 AU - 1.42 AU

Year: 807 Days

Day: 5.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,458,967 km

• M1: 172,935 km (0.074 R)
• M2: 611,855 km (0.114 R)
• M3: 1,053,767 km (0.081 R)
• M4: 1,517,371 km (0.114 R)
• M5: 1,989,652 km (0.082 R)
• M6: 2,571,438 km (0.114 R)
• M7: 3,205,284 km (0.099 R)
• M8: 4,299,742 km (0.101 R)
• M9: 4,773,818 km (0.058 R)
• M10: 5,471,991 km (0.112 R)
• M11: 6,333,226 km (0.046 R)
• M12: 6,806,853 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.2

Radius: 11.8

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.2 AU - 1.86 AU

Year: 1222 Days

Day: 13.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,458,967 km

• M1: 149,149 km (0.117 R)
• M2: 886,966 km (0.098 R)
• M3: 1,350,719 km (0.102 R)
• M4: 2,203,427 km (0.067 R)
• M5: 3,172,971 km (0.109 R)
• M6: 3,747,277 km (0.118 R)
• M7: 4,495,117 km (0.031 R)
• M8: 4,877,040 km (0.119 R)
• M9: 7,075,979 km (0.108 R)
• M10: 7,544,370 km (0.107 R)
• M11: 8,112,543 km (0.085 R)
• M12: 9,132,352 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79

Radius: 10.2

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.52 AU - 1.74 AU

Year: 1344 Days

Day: 10.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 148.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,458,967 km

• M1: 127,009 km (0.109 R)
• M2: 536,907 km (0.092 R)
• M3: 984,354 km (0.041 R)
• M4: 1,873,713 km (0.049 R)
• M5: 2,290,343 km (0.117 R)
• M6: 2,799,874 km (0.099 R)
• M7: 3,138,563 km (0.057 R)
• M8: 3,992,767 km (0.106 R)
• M9: 4,886,166 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.9

Radius: 12.3

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4 AU - 4.36 AU

Year: 5518 Days

Day: 7.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,458,967 km

• M1: 158,873 km (0.12 R)
• M2: 580,589 km (0.09 R)
• M3: 983,905 km (0.042 R)
• M4: 1,476,381 km (0.075 R)
• M5: 2,487,065 km (0.118 R)
• M6: 3,775,102 km (0.079 R)
• M7: 4,274,909 km (0.11 R)
• M8: 4,658,777 km (0.097 R)
• M9: 6,664,735 km (0.095 R)
• M10: 7,077,326 km (0.106 R)
• M11: 9,445,909 km (0.034 R)
• M12: 10,280,964 km (0.117 R)
• M13: 11,502,580 km (0.068 R)
• M14: 12,871,251 km (0.118 R)
• M15: 13,897,642 km (0.118 R)
• M16: 16,859,082 km (0.076 R)
• M17: 18,554,624 km (0.085 R)
• M18: 19,583,109 km (0.092 R)
• M19: 23,681,044 km (0.113 R)
• M20: 28,497,198 km (0.098 R)
• M21: 31,854,174 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.9

Radius: 8.2

Gravity: 11.27 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.39 AU - 5.03 AU

Year: 6600 Days

Day: 9 Hours

Environment

Temp: -214 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 34,458,967 km

• M1: 102,175 km (0.106 R)
• M2: 534,663 km (0.115 R)
• M3: 831,465 km (0.119 R)
• M4: 1,165,367 km (0.105 R)
• M5: 1,473,539 km (0.111 R)
• M6: 1,736,682 km (0.088 R)
• M7: 2,174,854 km (0.097 R)
• M8: 2,536,881 km (0.083 R)
• M9: 2,839,218 km (0.096 R)
• M10: 3,229,818 km (0.074 R)
• M11: 4,565,577 km (0.102 R)
• M12: 4,986,396 km (0.109 R)
• M13: 5,809,035 km (0.095 R)
• M14: 7,042,918 km (0.082 R)
• M15: 7,917,467 km (0.1 R)
• M16: 9,473,584 km (0.081 R)
• M17: 10,537,973 km (0.091 R)
• M18: 11,938,808 km (0.113 R)
• M19: 14,622,294 km (0.096 R)
• M20: 14,983,723 km (0.114 R)
• M21: 16,815,698 km (0.092 R)
• M22: 17,079,589 km (0.06 R)
• M23: 21,921,773 km (0.039 R)
• M24: 24,527,768 km (0.095 R)
• M25: 25,905,115 km (0.059 R)
• M26: 27,061,656 km (0.113 R)
• M27: 31,033,480 km (0.113 R)
• M28: 34,414,242 km (0.116 R)
• M29: 35,161,633 km (0.086 R)
• M30: 36,138,507 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 72.8

Radius: 6.1

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 8.52 AU - 10.34 AU

Year: 18697 Days

Day: 17.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,458,967 km

• M1: 81,232 km (0.072 R)
• M2: 569,220 km (0.075 R)
• M3: 814,560 km (0.092 R)
• M4: 2,053,380 km (0.105 R)
• M5: 2,790,599 km (0.112 R)
• M6: 3,105,801 km (0.047 R)
• M7: 3,444,491 km (0.109 R)
• M8: 12,175,172 km (0.071 R)
• M9: 15,772,851 km (0.117 R)
• M10: 20,820,882 km (0.114 R)
• M11: 26,588,478 km (0.109 R)
• M12: 28,725,185 km (0.12 R)
• M13: 29,276,752 km (0.112 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 12,021 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit