🌌 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: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.8

Radius: 13.6

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.81 AU - 0.91 AU

Year: 515 Days

Day: 10.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,203,607 km

• M1: 169,195 km (0.084 R)
• M2: 659,727 km (0.066 R)
• M3: 1,113,906 km (0.078 R)
• M4: 1,699,133 km (0.11 R)
• M5: 2,443,083 km (0.087 R)
• M6: 2,921,048 km (0.042 R)
• M7: 3,352,638 km (0.09 R)
• M8: 3,983,043 km (0.091 R)
• M9: 4,450,836 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.1

Radius: 11.2

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.98 AU - 1.32 AU

Year: 796 Days

Day: 6.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,203,607 km

• M1: 139,874 km (0.091 R)
• M2: 763,398 km (0.08 R)
• M3: 1,339,499 km (0.091 R)
• M4: 1,727,706 km (0.049 R)
• M5: 2,486,017 km (0.094 R)
• M6: 3,672,029 km (0.076 R)
• M7: 4,046,622 km (0.034 R)
• M8: 4,430,939 km (0.073 R)
• M9: 4,789,376 km (0.118 R)
• M10: 5,381,634 km (0.112 R)
• M11: 5,963,570 km (0.12 R)
• M12: 7,121,158 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.4

Radius: 8.8

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.41 AU - 1.75 AU

Year: 1282 Days

Day: 6.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 36,203,607 km

• M1: 109,506 km (0.115 R)
• M2: 403,914 km (0.093 R)
• M3: 2,160,193 km (0.112 R)
• M4: 2,866,594 km (0.064 R)
• M5: 3,344,111 km (0.115 R)
• M6: 4,512,171 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.9

Radius: 10.7

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.49 AU - 2.57 AU

Year: 2598 Days

Day: 6.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,203,607 km

• M1: 133,142 km (0.074 R)
• M2: 477,666 km (0.043 R)
• M3: 850,015 km (0.12 R)
• M4: 1,404,874 km (0.104 R)
• M5: 1,836,463 km (0.113 R)
• M6: 2,286,005 km (0.047 R)
• M7: 2,713,406 km (0.088 R)
• M8: 3,445,987 km (0.114 R)
• M9: 3,809,510 km (0.097 R)
• M10: 4,797,753 km (0.072 R)
• M11: 6,705,126 km (0.107 R)
• M12: 7,779,837 km (0.103 R)
• M13: 8,240,449 km (0.052 R)
• M14: 9,325,482 km (0.103 R)
• M15: 11,565,411 km (0.057 R)
• M16: 12,697,718 km (0.11 R)
• M17: 14,288,093 km (0.088 R)
• M18: 15,181,790 km (0.106 R)
• M19: 15,694,163 km (0.117 R)
• M20: 17,025,734 km (0.08 R)
• M21: 17,803,643 km (0.106 R)
• M22: 18,488,950 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557

Radius: 12.9

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.64 AU - 4.54 AU

Year: 5341 Days

Day: 9.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,203,607 km

• M1: 168,447 km (0.099 R)
• M2: 1,075,908 km (0.115 R)
• M3: 2,253,842 km (0.101 R)
• M4: 2,724,177 km (0.109 R)
• M5: 3,691,477 km (0.115 R)
• M6: 6,392,616 km (0.097 R)
• M7: 7,766,822 km (0.08 R)
• M8: 9,740,617 km (0.096 R)
• M9: 14,167,218 km (0.057 R)
• M10: 15,326,152 km (0.114 R)
• M11: 16,968,587 km (0.078 R)
• M12: 19,514,444 km (0.111 R)
• M13: 21,441,564 km (0.106 R)
• M14: 24,255,948 km (0.117 R)
• M15: 25,591,259 km (0.036 R)
• M16: 26,975,189 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.6

Radius: 8.6

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 4.24 AU - 4.9 AU

Year: 6308 Days

Day: 14.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,203,607 km

• M1: 139,126 km (0.087 R)
• M2: 457,021 km (0.092 R)
• M3: 850,015 km (0.07 R)
• M4: 1,719,628 km (0.083 R)
• M5: 2,163,335 km (0.084 R)
• M6: 9,202,663 km (0.081 R)
• M7: 9,926,866 km (0.078 R)
• M8: 11,903,054 km (0.101 R)
• M9: 13,008,283 km (0.101 R)
• M10: 15,644,497 km (0.12 R)
• M11: 16,733,419 km (0.091 R)
• M12: 17,507,140 km (0.094 R)
• M13: 19,839,670 km (0.117 R)
• M14: 22,371,763 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 287.7

Radius: 6.2

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.8 AU - 7.24 AU

Year: 9537 Days

Day: 19.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,203,607 km

• M1: 84,672 km (0.1 R)
• M2: 338,390 km (0.091 R)
• M3: 1,465,311 km (0.041 R)
• M4: 1,878,052 km (0.089 R)
• M5: 2,215,844 km (0.048 R)
• M6: 2,684,983 km (0.113 R)
• M7: 5,156,190 km (0.116 R)
• M8: 5,787,942 km (0.119 R)
• M9: 7,386,993 km (0.043 R)
• M10: 8,713,029 km (0.101 R)
• M11: 10,749,654 km (0.085 R)
• M12: 11,378,264 km (0.097 R)
• M13: 11,980,097 km (0.112 R)
• M14: 15,071,387 km (0.105 R)
• M15: 20,135,425 km (0.103 R)
• M16: 21,464,003 km (0.117 R)
• M17: 21,843,234 km (0.101 R)
• M18: 26,487,350 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 173.1

Radius: 4.4

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 6.57 AU - 7.63 AU

Year: 12215 Days

Day: 15.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 36,203,607 km

• M1: 54,753 km (0.036 R)
• M2: 448,494 km (0.104 R)
• M3: 621,280 km (0.104 R)
• M4: 1,241,513 km (0.115 R)
• M5: 1,722,171 km (0.101 R)
• M6: 2,368,583 km (0.03 R)
• M7: 3,060,473 km (0.111 R)
• M8: 3,807,116 km (0.113 R)
• M9: 4,534,012 km (0.073 R)
• M10: 4,944,210 km (0.062 R)
• M11: 6,224,618 km (0.058 R)
• M12: 6,593,377 km (0.058 R)
• M13: 8,455,272 km (0.079 R)
• M14: 10,878,009 km (0.079 R)
• M15: 11,022,072 km (0.098 R)
• M16: 12,959,364 km (0.107 R)
• M17: 13,121,379 km (0.032 R)
• M18: 13,504,649 km (0.093 R)
• M19: 13,839,000 km (0.112 R)
• M20: 14,993,596 km (0.06 R)
• M21: 15,172,066 km (0.107 R)
• M22: 15,655,118 km (0.113 R)
• M23: 16,148,342 km (0.11 R)
• M24: 18,496,879 km (0.114 R)
• M25: 18,978,584 km (0.045 R)
• M26: 19,327,746 km (0.118 R)
• M27: 20,110,891 km (0.096 R)
• M28: 21,362,576 km (0.119 R)
• M29: 22,821,903 km (0.098 R)
• M30: 27,507,308 km (0.12 R)
• M31: 29,510,873 km (0.101 R)
• M32: 32,795,144 km (0.036 R)
• M33: 33,601,926 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 608.3

Radius: 7

Gravity: 12.41 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.97 AU - 9.57 AU

Year: 13984 Days

Day: 18.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 36,203,607 km

• M1: 88,712 km (0.11 R)
• M2: 395,387 km (0.114 R)
• M3: 843,283 km (0.096 R)
• M4: 1,169,855 km (0.082 R)
• M5: 2,192,207 km (0.113 R)
• M6: 2,704,580 km (0.107 R)
• M7: 4,022,986 km (0.08 R)
• M8: 4,472,228 km (0.091 R)
• M9: 4,855,199 km (0.12 R)
• M10: 7,364,703 km (0.107 R)
• M11: 8,316,894 km (0.09 R)
• M12: 10,136,004 km (0.104 R)
• M13: 12,022,732 km (0.07 R)
• M14: 12,763,391 km (0.107 R)
• M15: 13,534,119 km (0.071 R)
• M16: 14,199,680 km (0.028 R)
• M17: 14,747,657 km (0.053 R)
• M18: 16,476,410 km (0.076 R)
• M19: 20,245,229 km (0.097 R)
• M20: 21,738,964 km (0.085 R)
• M21: 23,116,611 km (0.099 R)
• M22: 25,540,545 km (0.113 R)
• M23: 33,820,488 km (0.074 R)
• M24: 35,917,850 km (0.109 R)
• M25: 36,550,949 km (0.105 R)
• M26: 36,806,312 km (0.047 R)
• M27: 37,969,735 km (0.081 R)
• M28: 38,891,557 km (0.069 R)
• M29: 40,642,899 km (0.115 R)
• M30: 46,659,725 km (0.101 R)
• M31: 51,463,313 km (0.086 R)
• M32: 53,407,936 km (0.105 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 104.6

Radius: 3.3

Gravity: 9.61 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.66 AU - 9.9 AU

Year: 16798 Days

Day: 22.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 36,203,607 km

• M1: 40,990 km (0.114 R)
• M2: 144,512 km (0.071 R)
• M3: 669,301 km (0.097 R)
• M4: 1,449,903 km (0.09 R)
• M5: 2,252,794 km (0.112 R)
• M6: 2,479,136 km (0.042 R)
• M7: 3,447,483 km (0.081 R)
• M8: 3,607,104 km (0.114 R)
• M9: 4,243,643 km (0.045 R)
• M10: 4,534,311 km (0.085 R)
• M11: 5,244,004 km (0.091 R)
• M12: 6,057,517 km (0.083 R)
• M13: 6,460,085 km (0.104 R)
• M14: 7,206,877 km (0.057 R)
• M15: 7,392,828 km (0.044 R)
• M16: 7,930,482 km (0.097 R)
• M17: 8,168,792 km (0.119 R)
• M18: 10,437,593 km (0.119 R)
• M19: 11,972,467 km (0.064 R)
• M20: 12,766,533 km (0.078 R)
• M21: 13,538,607 km (0.112 R)
• M22: 16,294,499 km (0.069 R)
• M23: 18,006,348 km (0.093 R)
• M24: 21,245,890 km (0.062 R)
• M25: 22,092,913 km (0.113 R)
• M26: 22,485,308 km (0.099 R)
• M27: 26,315,761 km (0.101 R)
• M28: 26,491,539 km (0.084 R)
• M29: 27,023,509 km (0.051 R)
• M30: 36,095,273 km (0.057 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 13,426 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit