🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.9

Radius: 14

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.71 AU - 0.99 AU

Year: 532 Days

Day: 12.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,040,208 km

• M1: 174,730 km (0.111 R)
• M2: 1,494,632 km (0.09 R)
• M3: 2,120,251 km (0.087 R)
• M4: 2,613,624 km (0.075 R)
• M5: 3,093,235 km (0.079 R)
• M6: 4,397,130 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.9

Radius: 11.1

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.34 AU - 1.78 AU

Year: 1322 Days

Day: 7.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,040,208 km

• M1: 138,079 km (0.049 R)
• M2: 659,427 km (0.098 R)
• M3: 1,324,988 km (0.031 R)
• M4: 1,962,874 km (0.109 R)
• M5: 2,341,955 km (0.083 R)
• M6: 2,783,119 km (0.053 R)
• M7: 3,221,590 km (0.058 R)
• M8: 3,818,486 km (0.082 R)
• M9: 4,221,502 km (0.092 R)
• M10: 4,597,292 km (0.115 R)
• M11: 5,034,716 km (0.062 R)
• M12: 5,499,816 km (0.115 R)
• M13: 6,308,243 km (0.087 R)
• M14: 7,602,115 km (0.074 R)
• M15: 8,161,013 km (0.107 R)
• M16: 8,690,140 km (0.092 R)
• M17: 11,241,083 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.1

Radius: 10.4

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.22 AU - 2.72 AU

Year: 2633 Days

Day: 11.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,040,208 km

• M1: 142,417 km (0.12 R)
• M2: 567,574 km (0.082 R)
• M3: 1,766,152 km (0.11 R)
• M4: 2,838,919 km (0.09 R)
• M5: 4,836,200 km (0.081 R)
• M6: 5,827,585 km (0.12 R)
• M7: 7,353,633 km (0.029 R)
• M8: 8,972,132 km (0.12 R)
• M9: 9,322,491 km (0.087 R)
• M10: 11,808,059 km (0.086 R)
• M11: 12,306,968 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.7

Radius: 8.8

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.47 AU - 2.51 AU

Year: 2665 Days

Day: 10.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,040,208 km

• M1: 110,104 km (0.061 R)
• M2: 439,070 km (0.083 R)
• M3: 772,075 km (0.055 R)
• M4: 1,368,073 km (0.117 R)
• M5: 1,848,880 km (0.071 R)
• M6: 2,334,325 km (0.104 R)
• M7: 2,746,019 km (0.073 R)
• M8: 3,120,911 km (0.104 R)
• M9: 3,394,525 km (0.12 R)
• M10: 4,348,661 km (0.088 R)
• M11: 5,189,251 km (0.086 R)
• M12: 7,695,913 km (0.071 R)
• M13: 9,387,566 km (0.064 R)
• M14: 9,747,348 km (0.12 R)
• M15: 10,948,171 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.6

Radius: 11.4

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.82 AU - 4.06 AU

Year: 5304 Days

Day: 7.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,040,208 km

• M1: 141,819 km (0.064 R)
• M2: 615,894 km (0.08 R)
• M3: 1,000,511 km (0.057 R)
• M4: 1,777,073 km (0.094 R)
• M5: 2,534,487 km (0.097 R)
• M6: 3,770,614 km (0.094 R)
• M7: 4,591,907 km (0.1 R)
• M8: 5,169,654 km (0.074 R)
• M9: 5,554,868 km (0.106 R)
• M10: 8,046,421 km (0.07 R)
• M11: 8,672,039 km (0.077 R)
• M12: 10,099,352 km (0.066 R)
• M13: 11,247,217 km (0.103 R)
• M14: 12,434,575 km (0.102 R)
• M15: 13,224,003 km (0.065 R)
• M16: 16,942,108 km (0.049 R)
• M17: 18,028,787 km (0.111 R)
• M18: 19,776,091 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.7

Radius: 12.9

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.97 AU - 6.19 AU

Year: 8940 Days

Day: 14.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 37,040,208 km

• M1: 162,164 km (0.119 R)
• M2: 773,421 km (0.099 R)
• M3: 1,600,099 km (0.067 R)
• M4: 2,675,259 km (0.073 R)
• M5: 3,104,904 km (0.069 R)
• M6: 3,628,796 km (0.049 R)
• M7: 4,237,958 km (0.1 R)
• M8: 4,681,516 km (0.03 R)
• M9: 5,156,040 km (0.106 R)
• M10: 7,191,170 km (0.117 R)
• M11: 8,757,459 km (0.066 R)
• M12: 9,905,324 km (0.048 R)
• M13: 13,653,050 km (0.093 R)
• M14: 14,317,563 km (0.089 R)
• M15: 14,751,547 km (0.042 R)
• M16: 15,194,207 km (0.114 R)
• M17: 16,985,941 km (0.09 R)
• M18: 17,683,964 km (0.063 R)
• M19: 18,183,920 km (0.115 R)
• M20: 20,590,801 km (0.074 R)
• M21: 21,626,766 km (0.112 R)
• M22: 26,676,143 km (0.085 R)
• M23: 32,888,344 km (0.09 R)
• M24: 33,319,485 km (0.086 R)
• M25: 35,871,924 km (0.093 R)
• M26: 37,021,434 km (0.082 R)
• M27: 41,739,751 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 278.9

Radius: 7

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.51 AU - 8.33 AU

Year: 13709 Days

Day: 22.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,040,208 km

• M1: 87,664 km (0.043 R)
• M2: 1,143,227 km (0.08 R)
• M3: 1,791,584 km (0.036 R)
• M4: 2,950,818 km (0.039 R)
• M5: 3,236,999 km (0.066 R)
• M6: 3,541,580 km (0.106 R)
• M7: 4,290,617 km (0.03 R)
• M8: 6,454,699 km (0.105 R)
• M9: 7,248,166 km (0.088 R)
• M10: 9,824,391 km (0.114 R)
• M11: 12,158,567 km (0.113 R)
• M12: 16,147,594 km (0.119 R)
• M13: 24,745,283 km (0.113 R)
• M14: 26,020,455 km (0.049 R)
• M15: 30,415,491 km (0.103 R)
• M16: 31,140,891 km (0.068 R)
• M17: 37,246,579 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 841.5

Radius: 4.1

Gravity: 50.06 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 7.57 AU - 8.21 AU

Year: 15032 Days

Day: 17.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 37,040,208 km

• M1: 51,013 km (0.114 R)
• M2: 205,847 km (0.059 R)
• M3: 393,442 km (0.094 R)
• M4: 573,558 km (0.098 R)
• M5: 701,464 km (0.041 R)
• M6: 1,115,402 km (0.058 R)
• M7: 1,709,754 km (0.109 R)
• M8: 3,037,136 km (0.081 R)
• M9: 5,824,144 km (0.102 R)
• M10: 7,448,777 km (0.116 R)
• M11: 8,314,500 km (0.078 R)
• M12: 8,771,671 km (0.09 R)
• M13: 9,191,892 km (0.118 R)
• M14: 9,461,168 km (0.06 R)
• M15: 10,243,415 km (0.12 R)
• M16: 12,451,330 km (0.063 R)
• M17: 12,648,500 km (0.077 R)
• M18: 13,458,124 km (0.097 R)
• M19: 15,179,846 km (0.118 R)
• M20: 17,531,674 km (0.107 R)
• M21: 23,738,041 km (0.088 R)
• M22: 25,596,345 km (0.074 R)
• M23: 28,790,709 km (0.115 R)
• M24: 29,716,420 km (0.087 R)
• M25: 30,542,649 km (0.106 R)
• M26: 31,021,512 km (0.092 R)
• M27: 33,872,847 km (0.082 R)
• M28: 35,823,753 km (0.071 R)
• M29: 41,098,275 km (0.082 R)
• M30: 41,535,400 km (0.106 R)
• M31: 42,270,973 km (0.114 R)
• M32: 42,567,625 km (0.071 R)
• M33: 43,465,811 km (0.084 R)
• M34: 46,236,214 km (0.103 R)
• M35: 61,106,242 km (0.113 R)
• M36: 61,485,473 km (0.114 R)
• M37: 67,161,964 km (0.075 R)
• M38: 67,363,622 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19

Radius: 4.3

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 7.94 AU - 10.48 AU

Year: 18957 Days

Day: 16.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,040,208 km

• M1: 60,737 km (0.092 R)
• M2: 280,047 km (0.061 R)
• M3: 447,746 km (0.045 R)
• M4: 739,911 km (0.1 R)
• M5: 1,131,558 km (0.038 R)
• M6: 2,459,838 km (0.047 R)
• M7: 7,337,028 km (0.102 R)
• M8: 9,940,779 km (0.104 R)
• M9: 10,294,278 km (0.118 R)
• M10: 14,303,950 km (0.095 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 85.7

Radius: 7.5

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 7.95 AU - 10.63 AU

Year: 19205 Days

Day: 21.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,040,208 km

• M1: 102,026 km (0.111 R)
• M2: 371,452 km (0.079 R)
• M3: 878,588 km (0.106 R)
• M4: 1,677,441 km (0.066 R)
• M5: 3,550,705 km (0.112 R)
• M6: 4,629,007 km (0.12 R)
• M7: 9,464,309 km (0.09 R)
• M8: 10,193,001 km (0.054 R)
• M9: 12,603,770 km (0.097 R)
• M10: 23,024,459 km (0.082 R)
• M11: 24,255,500 km (0.077 R)
• M12: 26,227,648 km (0.049 R)
• M13: 33,398,323 km (0.113 R)
• M14: 35,617,907 km (0.09 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 14,387 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit