🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.7

Radius: 10.6

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.78 AU - 1.1 AU

Year: 579 Days

Day: 7 Hours

Environment

Temp: -151 °C

Axial Tilt: 131 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,533,171 km

• M1: 131,796 km (0.12 R)
• M2: 467,344 km (0.085 R)
• M3: 1,081,593 km (0.066 R)
• M4: 1,639,892 km (0.087 R)
• M5: 2,086,442 km (0.111 R)
• M6: 3,028,310 km (0.077 R)
• M7: 3,474,111 km (0.12 R)
• M8: 4,033,009 km (0.09 R)
• M9: 4,528,627 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.2

Radius: 11.9

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.31 AU - 1.63 AU

Year: 1133 Days

Day: 13.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,533,171 km

• M1: 148,251 km (0.096 R)
• M2: 942,766 km (0.089 R)
• M3: 1,483,113 km (0.098 R)
• M4: 1,950,158 km (0.026 R)
• M5: 3,046,561 km (0.118 R)
• M6: 3,620,717 km (0.041 R)
• M7: 4,301,388 km (0.108 R)
• M8: 4,681,965 km (0.078 R)
• M9: 5,204,660 km (0.03 R)
• M10: 5,616,652 km (0.089 R)
• M11: 6,530,097 km (0.046 R)
• M12: 7,360,514 km (0.084 R)
• M13: 10,730,206 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.5

Radius: 11.4

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.3 AU - 1.98 AU

Year: 1335 Days

Day: 6.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,533,171 km

• M1: 141,819 km (0.071 R)
• M2: 564,732 km (0.1 R)
• M3: 988,842 km (0.104 R)
• M4: 1,406,070 km (0.059 R)
• M5: 1,826,740 km (0.091 R)
• M6: 2,506,961 km (0.05 R)
• M7: 3,000,484 km (0.06 R)
• M8: 6,338,911 km (0.091 R)
• M9: 7,395,520 km (0.088 R)
• M10: 10,189,111 km (0.042 R)
• M11: 11,020,277 km (0.032 R)
• M12: 12,505,185 km (0.026 R)
• M13: 13,134,992 km (0.096 R)
• M14: 13,703,315 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.5

Radius: 9.8

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.86 AU - 2.68 AU

Year: 2175 Days

Day: 8.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,533,171 km

• M1: 121,922 km (0.093 R)
• M2: 431,590 km (0.074 R)
• M3: 741,407 km (0.11 R)
• M4: 1,346,530 km (0.097 R)
• M5: 1,654,403 km (0.038 R)
• M6: 2,907,135 km (0.105 R)
• M7: 4,806,280 km (0.065 R)
• M8: 5,980,025 km (0.107 R)
• M9: 8,275,904 km (0.088 R)
• M10: 10,361,747 km (0.12 R)
• M11: 12,304,425 km (0.116 R)
• M12: 14,263,259 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.1

Radius: 8.4

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.31 AU - 2.67 AU

Year: 2498 Days

Day: 11.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,533,171 km

• M1: 104,419 km (0.11 R)
• M2: 419,921 km (0.095 R)
• M3: 748,887 km (0.051 R)
• M4: 1,027,139 km (0.118 R)
• M5: 1,490,892 km (0.084 R)
• M6: 1,931,159 km (0.103 R)
• M7: 2,194,451 km (0.054 R)
• M8: 2,534,487 km (0.094 R)
• M9: 2,909,379 km (0.087 R)
• M10: 3,719,302 km (0.053 R)
• M11: 4,671,942 km (0.104 R)
• M12: 5,281,553 km (0.051 R)
• M13: 7,050,996 km (0.084 R)
• M14: 7,653,876 km (0.105 R)
• M15: 8,260,944 km (0.102 R)
• M16: 10,037,269 km (0.106 R)
• M17: 10,344,842 km (0.118 R)
• M18: 10,693,854 km (0.082 R)
• M19: 12,169,488 km (0.071 R)
• M20: 13,402,922 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.1

Radius: 8.3

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.95 AU - 3.37 AU

Year: 3572 Days

Day: 9.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,533,171 km

• M1: 117,734 km (0.111 R)
• M2: 398,379 km (0.106 R)
• M3: 736,022 km (0.119 R)
• M4: 1,469,799 km (0.105 R)
• M5: 1,960,630 km (0.084 R)
• M6: 2,464,775 km (0.049 R)
• M7: 3,510,912 km (0.07 R)
• M8: 4,161,514 km (0.092 R)
• M9: 5,700,876 km (0.119 R)
• M10: 6,006,055 km (0.069 R)
• M11: 6,752,549 km (0.059 R)
• M12: 7,148,235 km (0.08 R)
• M13: 8,220,104 km (0.101 R)
• M14: 9,922,827 km (0.067 R)
• M15: 10,330,930 km (0.062 R)
• M16: 11,180,945 km (0.095 R)
• M17: 12,000,292 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 587.4

Radius: 3.3

Gravity: 53.94 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 6.79 AU - 7.13 AU

Year: 11675 Days

Day: 19.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 73,533,171 km

• M1: 44,281 km (0.103 R)
• M2: 191,635 km (0.039 R)
• M3: 420,968 km (0.109 R)
• M4: 662,868 km (0.091 R)
• M5: 990,488 km (0.114 R)
• M6: 1,376,151 km (0.077 R)
• M7: 2,222,725 km (0.037 R)
• M8: 2,617,215 km (0.055 R)
• M9: 2,744,223 km (0.1 R)
• M10: 2,920,001 km (0.1 R)
• M11: 3,173,868 km (0.052 R)
• M12: 3,392,431 km (0.09 R)
• M13: 3,543,525 km (0.051 R)
• M14: 3,752,064 km (0.06 R)
• M15: 5,585,536 km (0.041 R)
• M16: 5,761,014 km (0.112 R)
• M17: 8,029,217 km (0.119 R)
• M18: 8,806,228 km (0.119 R)
• M19: 9,935,393 km (0.048 R)
• M20: 10,667,974 km (0.095 R)
• M21: 11,436,009 km (0.065 R)
• M22: 12,897,730 km (0.064 R)
• M23: 13,019,802 km (0.116 R)
• M24: 15,419,202 km (0.06 R)
• M25: 17,345,275 km (0.118 R)
• M26: 19,909,831 km (0.078 R)
• M27: 21,239,606 km (0.084 R)
• M28: 21,495,269 km (0.07 R)
• M29: 21,839,494 km (0.091 R)
• M30: 23,073,078 km (0.086 R)
• M31: 23,253,044 km (0.09 R)
• M32: 24,726,284 km (0.097 R)
• M33: 27,553,235 km (0.086 R)
• M34: 28,163,894 km (0.074 R)
• M35: 30,696,585 km (0.061 R)
• M36: 31,132,962 km (0.049 R)
• M37: 34,421,124 km (0.066 R)
• M38: 35,726,664 km (0.058 R)
• M39: 44,120,152 km (0.099 R)
• M40: 45,801,034 km (0.078 R)
• M41: 48,254,439 km (0.114 R)
• M42: 50,038,094 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 155

Radius: 4.8

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.93 AU - 9.37 AU

Year: 13453 Days

Day: 19.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,533,171 km

• M1: 59,690 km (0.11 R)
• M2: 263,442 km (0.06 R)
• M3: 691,441 km (0.097 R)
• M4: 1,191,697 km (0.096 R)
• M5: 1,518,867 km (0.117 R)
• M6: 2,167,673 km (0.111 R)
• M7: 2,984,777 km (0.12 R)
• M8: 6,233,743 km (0.045 R)
• M9: 6,469,061 km (0.025 R)
• M10: 7,735,407 km (0.069 R)
• M11: 8,046,570 km (0.085 R)
• M12: 13,158,330 km (0.052 R)
• M13: 15,111,479 km (0.084 R)
• M14: 16,219,850 km (0.11 R)
• M15: 16,409,839 km (0.101 R)
• M16: 19,724,928 km (0.102 R)
• M17: 20,673,977 km (0.098 R)
• M18: 32,092,932 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 982.2

Radius: 5.1

Gravity: 37.76 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 7.29 AU - 9.79 AU

Year: 15868 Days

Day: 21.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 73,533,171 km

• M1: 63,579 km (0.078 R)
• M2: 224,846 km (0.034 R)
• M3: 543,788 km (0.081 R)
• M4: 845,677 km (0.116 R)
• M5: 1,384,827 km (0.075 R)
• M6: 2,403,739 km (0.118 R)
• M7: 2,585,500 km (0.115 R)
• M8: 3,378,219 km (0.07 R)
• M9: 4,765,440 km (0.111 R)
• M10: 5,127,018 km (0.106 R)
• M11: 5,823,696 km (0.056 R)
• M12: 6,983,977 km (0.107 R)
• M13: 7,498,144 km (0.102 R)
• M14: 9,982,217 km (0.096 R)
• M15: 10,694,752 km (0.082 R)
• M16: 13,104,624 km (0.081 R)
• M17: 13,813,269 km (0.052 R)
• M18: 15,617,569 km (0.062 R)
• M19: 19,143,142 km (0.101 R)
• M20: 21,089,859 km (0.054 R)
• M21: 22,658,841 km (0.11 R)
• M22: 26,693,795 km (0.104 R)
• M23: 32,442,393 km (0.067 R)
• M24: 33,866,864 km (0.083 R)
• M25: 36,149,428 km (0.117 R)
• M26: 36,979,098 km (0.105 R)
• M27: 39,689,512 km (0.065 R)
• M28: 39,982,425 km (0.059 R)
• M29: 46,468,988 km (0.034 R)
• M30: 46,631,451 km (0.103 R)
• M31: 52,032,084 km (0.089 R)
• M32: 52,735,194 km (0.059 R)
• M33: 53,980,746 km (0.03 R)
• M34: 57,087,146 km (0.103 R)
• M35: 60,891,719 km (0.035 R)
• M36: 62,657,572 km (0.078 R)
• M37: 66,910,041 km (0.112 R)
• M38: 69,849,490 km (0.083 R)
• M39: 72,655,048 km (0.084 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: 334 - 14,515 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit