🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.5

Radius: 9

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.56 AU - 0.84 AU

Year: 384 Days

Day: 5.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,262,560 km

• M1: 111,899 km (0.104 R)
• M2: 445,802 km (0.119 R)
• M3: 822,190 km (0.091 R)
• M4: 1,216,679 km (0.113 R)
• M5: 1,603,240 km (0.082 R)
• M6: 2,078,812 km (0.046 R)
• M7: 2,636,662 km (0.037 R)
• M8: 2,925,386 km (0.12 R)
• M9: 3,461,844 km (0.105 R)
• M10: 3,998,153 km (0.107 R)
• M11: 4,326,969 km (0.096 R)
• M12: 4,935,084 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.4

Radius: 14.3

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.04 AU - 1.06 AU

Year: 706 Days

Day: 8.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,262,560 km

• M1: 177,872 km (0.104 R)
• M2: 626,965 km (0.111 R)
• M3: 1,083,089 km (0.117 R)
• M4: 1,569,581 km (0.102 R)
• M5: 2,157,201 km (0.12 R)
• M6: 3,033,845 km (0.112 R)
• M7: 3,521,833 km (0.089 R)
• M8: 4,122,469 km (0.069 R)
• M9: 4,790,872 km (0.081 R)
• M10: 5,890,267 km (0.077 R)
• M11: 6,783,216 km (0.079 R)
• M12: 7,307,407 km (0.085 R)
• M13: 7,905,649 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.5

Radius: 12

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.06 AU - 1.06 AU

Year: 716 Days

Day: 12.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,262,560 km

• M1: 149,299 km (0.109 R)
• M2: 596,148 km (0.097 R)
• M3: 1,174,642 km (0.071 R)
• M4: 1,657,544 km (0.092 R)
• M5: 2,376,512 km (0.054 R)
• M6: 2,802,866 km (0.118 R)
• M7: 3,695,666 km (0.093 R)
• M8: 4,632,747 km (0.053 R)
• M9: 6,161,787 km (0.09 R)
• M10: 6,885,990 km (0.12 R)
• M11: 7,454,163 km (0.098 R)
• M12: 8,251,669 km (0.096 R)
• M13: 8,684,306 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.7

Radius: 14.2

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.15 AU - 1.15 AU

Year: 809 Days

Day: 13.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,262,560 km

• M1: 178,171 km (0.1 R)
• M2: 658,979 km (0.088 R)
• M3: 1,214,436 km (0.064 R)
• M4: 1,906,176 km (0.077 R)
• M5: 2,442,634 km (0.098 R)
• M6: 3,080,071 km (0.118 R)
• M7: 3,993,216 km (0.037 R)
• M8: 4,707,995 km (0.051 R)
• M9: 5,489,494 km (0.102 R)
• M10: 5,976,585 km (0.03 R)
• M11: 6,651,121 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.4

Radius: 14.3

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.96 AU - 1.5 AU

Year: 895 Days

Day: 6.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 116.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,262,560 km

• M1: 178,321 km (0.08 R)
• M2: 655,538 km (0.1 R)
• M3: 1,641,089 km (0.061 R)
• M4: 2,203,277 km (0.085 R)
• M5: 3,622,064 km (0.11 R)
• M6: 4,589,663 km (0.104 R)
• M7: 6,029,243 km (0.067 R)
• M8: 6,853,677 km (0.078 R)
• M9: 7,317,131 km (0.106 R)
• M10: 7,901,012 km (0.073 R)
• M11: 8,542,188 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.3

Radius: 13.8

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.02 AU - 3 AU

Year: 2609 Days

Day: 10.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,262,560 km

• M1: 171,589 km (0.092 R)
• M2: 939,774 km (0.076 R)
• M3: 1,931,009 km (0.115 R)
• M4: 3,194,513 km (0.078 R)
• M5: 6,372,869 km (0.103 R)
• M6: 8,017,548 km (0.048 R)
• M7: 11,280,577 km (0.096 R)
• M8: 13,814,765 km (0.109 R)
• M9: 14,738,083 km (0.118 R)
• M10: 15,547,108 km (0.088 R)
• M11: 18,730,551 km (0.064 R)
• M12: 20,599,178 km (0.045 R)
• M13: 21,482,553 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.5

Radius: 8.7

Gravity: 9.41 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.16 AU - 3.9 AU

Year: 4351 Days

Day: 10 Hours

Environment

Temp: -207 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,262,560 km

• M1: 108,159 km (0.03 R)
• M2: 459,565 km (0.043 R)
• M3: 959,970 km (0.05 R)
• M4: 1,340,397 km (0.111 R)
• M5: 1,967,212 km (0.113 R)
• M6: 2,240,527 km (0.104 R)
• M7: 2,690,368 km (0.069 R)
• M8: 3,066,457 km (0.101 R)
• M9: 3,968,981 km (0.038 R)
• M10: 4,361,825 km (0.112 R)
• M11: 5,091,564 km (0.091 R)
• M12: 6,760,328 km (0.116 R)
• M13: 9,114,849 km (0.06 R)
• M14: 11,047,803 km (0.079 R)
• M15: 11,686,735 km (0.085 R)
• M16: 12,690,986 km (0.085 R)
• M17: 13,907,815 km (0.102 R)
• M18: 18,589,480 km (0.118 R)
• M19: 24,760,692 km (0.082 R)
• M20: 25,381,523 km (0.082 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.7

Radius: 13.6

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.58 AU - 4.56 AU

Year: 5386 Days

Day: 14.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 33,262,560 km

• M1: 169,195 km (0.088 R)
• M2: 620,682 km (0.116 R)
• M3: 1,274,125 km (0.054 R)
• M4: 1,919,041 km (0.118 R)
• M5: 2,402,392 km (0.11 R)
• M6: 4,445,899 km (0.088 R)
• M7: 4,987,743 km (0.089 R)
• M8: 5,573,568 km (0.115 R)
• M9: 6,010,693 km (0.102 R)
• M10: 6,848,890 km (0.103 R)
• M11: 7,314,737 km (0.036 R)
• M12: 8,511,969 km (0.108 R)
• M13: 9,613,608 km (0.116 R)
• M14: 11,541,027 km (0.069 R)
• M15: 12,099,476 km (0.075 R)
• M16: 14,808,992 km (0.045 R)
• M17: 15,347,545 km (0.065 R)
• M18: 15,837,179 km (0.079 R)
• M19: 16,591,002 km (0.081 R)
• M20: 18,102,988 km (0.085 R)
• M21: 19,419,748 km (0.096 R)
• M22: 22,011,232 km (0.095 R)
• M23: 22,792,283 km (0.059 R)
• M24: 27,154,407 km (0.102 R)
• M25: 30,674,146 km (0.112 R)
• M26: 33,250,670 km (0.065 R)
• M27: 33,865,218 km (0.093 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.7

Radius: 12.7

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.03 AU - 4.55 AU

Year: 5829 Days

Day: 7.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,262,560 km

• M1: 157,975 km (0.082 R)
• M2: 560,693 km (0.106 R)
• M3: 1,078,900 km (0.115 R)
• M4: 2,245,015 km (0.079 R)
• M5: 4,975,775 km (0.112 R)
• M6: 7,783,428 km (0.105 R)
• M7: 9,981,469 km (0.109 R)
• M8: 10,384,486 km (0.104 R)
• M9: 11,757,944 km (0.086 R)
• M10: 12,207,785 km (0.112 R)
• M11: 13,572,716 km (0.087 R)
• M12: 14,862,848 km (0.079 R)
• M13: 17,298,899 km (0.11 R)
• M14: 22,641,039 km (0.113 R)
• M15: 25,684,758 km (0.074 R)
• M16: 33,064,271 km (0.118 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: 503 - 19,009 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit