🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.6

Radius: 11.6

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.61 AU - 0.67 AU

Year: 341 Days

Day: 11 Hours

Environment

Temp: -159 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,427,765 km

• M1: 144,960 km (0.101 R)
• M2: 646,712 km (0.117 R)
• M3: 1,053,917 km (0.091 R)
• M4: 1,607,429 km (0.11 R)
• M5: 2,443,681 km (0.038 R)
• M6: 2,892,624 km (0.048 R)
• M7: 3,277,689 km (0.11 R)
• M8: 3,664,998 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.2

Radius: 13.8

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.18 AU - 1.8 AU

Year: 1213 Days

Day: 13.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,427,765 km

• M1: 171,589 km (0.089 R)
• M2: 652,845 km (0.094 R)
• M3: 1,314,367 km (0.073 R)
• M4: 2,080,009 km (0.053 R)
• M5: 2,932,118 km (0.083 R)
• M6: 3,829,855 km (0.052 R)
• M7: 4,990,286 km (0.081 R)
• M8: 5,853,914 km (0.109 R)
• M9: 6,602,053 km (0.089 R)
• M10: 7,620,216 km (0.094 R)
• M11: 8,265,282 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.3

Radius: 8.8

Gravity: 10.17 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.7 AU - 2.08 AU

Year: 1733 Days

Day: 15 Hours

Environment

Temp: -203 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,427,765 km

• M1: 109,655 km (0.027 R)
• M2: 562,189 km (0.072 R)
• M3: 1,028,635 km (0.086 R)
• M4: 1,358,648 km (0.044 R)
• M5: 1,687,614 km (0.087 R)
• M6: 2,128,927 km (0.097 R)
• M7: 3,024,719 km (0.068 R)
• M8: 3,696,264 km (0.099 R)
• M9: 5,266,593 km (0.103 R)
• M10: 7,350,342 km (0.115 R)
• M11: 7,633,979 km (0.093 R)
• M12: 7,983,889 km (0.088 R)
• M13: 8,436,273 km (0.072 R)
• M14: 9,195,632 km (0.049 R)
• M15: 12,694,427 km (0.082 R)
• M16: 14,828,141 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.9

Radius: 10.3

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.14 AU - 2.5 AU

Year: 2356 Days

Day: 11.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,427,765 km

• M1: 128,355 km (0.065 R)
• M2: 486,043 km (0.075 R)
• M3: 954,734 km (0.119 R)
• M4: 1,348,774 km (0.067 R)
• M5: 1,872,816 km (0.098 R)
• M6: 2,437,398 km (0.07 R)
• M7: 2,874,523 km (0.059 R)
• M8: 3,662,605 km (0.064 R)
• M9: 4,052,307 km (0.097 R)
• M10: 5,258,515 km (0.118 R)
• M11: 6,434,803 km (0.099 R)
• M12: 6,925,035 km (0.11 R)
• M13: 7,579,675 km (0.098 R)
• M14: 8,700,163 km (0.087 R)
• M15: 9,429,902 km (0.111 R)
• M16: 9,759,765 km (0.075 R)
• M17: 10,583,002 km (0.088 R)
• M18: 11,563,616 km (0.097 R)
• M19: 12,406,600 km (0.1 R)
• M20: 12,923,610 km (0.107 R)
• M21: 14,692,904 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.8

Radius: 10.2

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.38 AU - 3.66 AU

Year: 4404 Days

Day: 14.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,427,765 km

• M1: 126,859 km (0.089 R)
• M2: 456,124 km (0.111 R)
• M3: 896,690 km (0.104 R)
• M4: 1,627,924 km (0.079 R)
• M5: 2,063,703 km (0.108 R)
• M6: 2,427,674 km (0.09 R)
• M7: 3,487,426 km (0.034 R)
• M8: 4,579,191 km (0.026 R)
• M9: 5,026,189 km (0.116 R)
• M10: 6,624,044 km (0.12 R)
• M11: 7,452,517 km (0.097 R)
• M12: 8,379,725 km (0.103 R)
• M13: 9,449,200 km (0.096 R)
• M14: 9,964,565 km (0.119 R)
• M15: 10,571,034 km (0.081 R)
• M16: 11,507,517 km (0.045 R)
• M17: 13,459,171 km (0.074 R)
• M18: 15,246,566 km (0.098 R)
• M19: 16,197,111 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 429.6

Radius: 4.6

Gravity: 20.3 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 5.94 AU - 6.6 AU

Year: 10470 Days

Day: 24.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 73,427,765 km

• M1: 57,296 km (0.083 R)
• M2: 243,545 km (0.113 R)
• M3: 471,233 km (0.116 R)
• M4: 633,996 km (0.049 R)
• M5: 1,141,731 km (0.091 R)
• M6: 1,963,322 km (0.117 R)
• M7: 2,320,861 km (0.111 R)
• M8: 2,660,897 km (0.117 R)
• M9: 3,209,622 km (0.076 R)
• M10: 4,304,828 km (0.089 R)
• M11: 5,562,946 km (0.088 R)
• M12: 7,318,477 km (0.095 R)
• M13: 8,428,643 km (0.063 R)
• M14: 12,313,700 km (0.105 R)
• M15: 12,649,996 km (0.067 R)
• M16: 13,399,481 km (0.119 R)
• M17: 13,635,996 km (0.106 R)
• M18: 14,734,941 km (0.05 R)
• M19: 15,564,312 km (0.094 R)
• M20: 16,831,855 km (0.114 R)
• M21: 17,525,839 km (0.099 R)
• M22: 17,951,296 km (0.045 R)
• M23: 18,311,079 km (0.102 R)
• M24: 18,675,649 km (0.061 R)
• M25: 20,571,652 km (0.119 R)
• M26: 21,445,004 km (0.106 R)
• M27: 25,546,679 km (0.109 R)
• M28: 34,258,212 km (0.073 R)
• M29: 35,709,461 km (0.042 R)
• M30: 37,668,295 km (0.095 R)
• M31: 42,303,735 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 285.6

Radius: 3.8

Gravity: 19.78 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 8.27 AU - 9.83 AU

Year: 18155 Days

Day: 18.9 Hours

Environment

Temp: -243 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 73,427,765 km

• M1: 47,572 km (0.058 R)
• M2: 230,530 km (0.116 R)
• M3: 436,078 km (0.042 R)
• M4: 591,360 km (0.08 R)
• M5: 869,313 km (0.066 R)
• M6: 1,060,649 km (0.093 R)
• M7: 2,469,861 km (0.067 R)
• M8: 2,788,205 km (0.1 R)
• M9: 3,690,131 km (0.115 R)
• M10: 4,048,567 km (0.074 R)
• M11: 4,551,964 km (0.088 R)
• M12: 5,095,752 km (0.112 R)
• M13: 6,782,917 km (0.116 R)
• M14: 7,027,360 km (0.036 R)
• M15: 7,319,973 km (0.098 R)
• M16: 7,840,275 km (0.09 R)
• M17: 9,855,957 km (0.081 R)
• M18: 10,116,706 km (0.088 R)
• M19: 10,382,242 km (0.118 R)
• M20: 10,871,726 km (0.068 R)
• M21: 11,896,471 km (0.114 R)
• M22: 13,874,455 km (0.09 R)
• M23: 14,202,074 km (0.095 R)
• M24: 15,216,048 km (0.079 R)
• M25: 15,564,462 km (0.112 R)
• M26: 18,624,935 km (0.102 R)
• M27: 19,427,827 km (0.04 R)
• M28: 20,760,145 km (0.054 R)
• M29: 22,063,442 km (0.041 R)
• M30: 23,512,597 km (0.094 R)
• M31: 23,978,145 km (0.116 R)
• M32: 25,023,984 km (0.102 R)
• M33: 27,002,715 km (0.098 R)
• M34: 27,719,289 km (0.084 R)
• M35: 30,162,671 km (0.094 R)
• M36: 33,560,338 km (0.117 R)
• M37: 36,579,671 km (0.119 R)
• M38: 40,835,581 km (0.097 R)
• M39: 43,848,931 km (0.064 R)
• M40: 46,131,346 km (0.115 R)
• M41: 50,776,360 km (0.032 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 599.5

Radius: 8

Gravity: 9.37 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 8.22 AU - 10.34 AU

Year: 18852 Days

Day: 22.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 73,427,765 km

• M1: 136,583 km (0.096 R)
• M2: 391,049 km (0.042 R)
• M3: 666,907 km (0.118 R)
• M4: 983,307 km (0.049 R)
• M5: 1,536,819 km (0.066 R)
• M6: 1,911,562 km (0.07 R)
• M7: 2,160,941 km (0.085 R)
• M8: 3,278,437 km (0.092 R)
• M9: 3,873,089 km (0.112 R)
• M10: 4,180,662 km (0.052 R)
• M11: 4,775,314 km (0.069 R)
• M12: 5,771,635 km (0.106 R)
• M13: 6,215,044 km (0.1 R)
• M14: 7,124,449 km (0.105 R)
• M15: 10,738,584 km (0.109 R)
• M16: 12,173,377 km (0.108 R)
• M17: 15,802,921 km (0.091 R)
• M18: 16,430,933 km (0.113 R)
• M19: 16,831,855 km (0.067 R)
• M20: 18,760,770 km (0.101 R)
• M21: 21,778,907 km (0.085 R)
• M22: 22,262,856 km (0.07 R)
• M23: 22,753,836 km (0.113 R)
• M24: 23,051,985 km (0.088 R)
• M25: 27,391,520 km (0.114 R)
• M26: 31,625,439 km (0.098 R)
• M27: 32,622,209 km (0.074 R)
• M28: 35,205,764 km (0.069 R)
• M29: 41,956,219 km (0.061 R)
• M30: 42,554,909 km (0.076 R)
• M31: 45,633,933 km (0.06 R)
• M32: 47,389,165 km (0.056 R)
• M33: 50,189,637 km (0.092 R)
• M34: 50,694,978 km (0.119 R)
• M35: 55,576,806 km (0.098 R)
• M36: 56,662,288 km (0.101 R)
• M37: 62,885,709 km (0.117 R)
• M38: 63,669,751 km (0.084 R)
• M39: 69,133,066 km (0.037 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 614.3

Radius: 4

Gravity: 38.39 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 7.57 AU - 11.75 AU

Year: 20021 Days

Day: 24.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,427,765 km

• M1: 103,223 km (0.072 R)
• M2: 242,648 km (0.073 R)
• M3: 1,677,890 km (0.072 R)
• M4: 3,766,575 km (0.107 R)
• M5: 4,172,285 km (0.062 R)
• M6: 4,402,516 km (0.079 R)
• M7: 5,106,972 km (0.048 R)
• M8: 17,201,511 km (0.066 R)
• M9: 17,878,442 km (0.081 R)
• M10: 18,397,696 km (0.105 R)
• M11: 20,201,248 km (0.083 R)
• M12: 28,830,352 km (0.097 R)
• M13: 37,198,259 km (0.112 R)
• M14: 37,901,817 km (0.089 R)
• M15: 39,480,673 km (0.116 R)
• M16: 40,508,111 km (0.047 R)
• M17: 56,446,269 km (0.088 R)
• M18: 57,188,274 km (0.055 R)
• M19: 57,749,116 km (0.073 R)
• M20: 65,784,766 km (0.116 R)
• M21: 69,748,810 km (0.118 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 310 - 10,562 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit