🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.8

Radius: 10.5

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.51 AU - 0.65 AU

Year: 295 Days

Day: 11 Hours

Environment

Temp: -143 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,513,706 km

• M1: 130,599 km (0.12 R)
• M2: 463,903 km (0.05 R)
• M3: 799,301 km (0.087 R)
• M4: 1,165,667 km (0.059 R)
• M5: 1,508,246 km (0.042 R)
• M6: 2,059,663 km (0.036 R)
• M7: 2,438,595 km (0.036 R)
• M8: 2,892,924 km (0.095 R)
• M9: 3,307,160 km (0.114 R)
• M10: 3,646,448 km (0.118 R)
• M11: 4,243,194 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.2

Radius: 12

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.13 AU - 1.27 AU

Year: 877 Days

Day: 14.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,513,706 km

• M1: 149,299 km (0.076 R)
• M2: 533,017 km (0.043 R)
• M3: 953,686 km (0.092 R)
• M4: 1,507,348 km (0.094 R)
• M5: 1,935,796 km (0.047 R)
• M6: 2,468,664 km (0.067 R)
• M7: 3,045,065 km (0.118 R)
• M8: 3,546,068 km (0.096 R)
• M9: 4,085,518 km (0.113 R)
• M10: 4,914,140 km (0.08 R)
• M11: 5,830,876 km (0.095 R)
• M12: 6,232,546 km (0.069 R)
• M13: 6,812,238 km (0.081 R)
• M14: 7,849,849 km (0.12 R)
• M15: 8,314,350 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.9

Radius: 11.8

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.83 AU - 2.53 AU

Year: 2146 Days

Day: 13.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,513,706 km

• M1: 147,204 km (0.088 R)
• M2: 631,004 km (0.089 R)
• M3: 1,122,582 km (0.049 R)
• M4: 1,759,421 km (0.04 R)
• M5: 3,045,513 km (0.047 R)
• M6: 3,722,444 km (0.074 R)
• M7: 4,707,097 km (0.071 R)
• M8: 5,260,908 km (0.087 R)
• M9: 5,637,745 km (0.032 R)
• M10: 6,472,801 km (0.106 R)
• M11: 7,215,704 km (0.091 R)
• M12: 8,838,990 km (0.079 R)
• M13: 9,238,117 km (0.101 R)
• M14: 9,753,781 km (0.079 R)
• M15: 11,573,938 km (0.103 R)
• M16: 12,585,220 km (0.11 R)
• M17: 14,461,177 km (0.077 R)
• M18: 16,818,541 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.2

Radius: 13.4

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.16 AU - 2.72 AU

Year: 2542 Days

Day: 6 Hours

Environment

Temp: -203 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,513,706 km

• M1: 166,652 km (0.066 R)
• M2: 665,411 km (0.113 R)
• M3: 1,707,660 km (0.075 R)
• M4: 2,559,021 km (0.07 R)
• M5: 3,065,709 km (0.074 R)
• M6: 3,677,265 km (0.104 R)
• M7: 4,456,371 km (0.098 R)
• M8: 6,316,172 km (0.055 R)
• M9: 7,591,942 km (0.103 R)
• M10: 8,648,103 km (0.101 R)
• M11: 9,724,909 km (0.089 R)
• M12: 11,463,685 km (0.088 R)
• M13: 14,254,134 km (0.112 R)
• M14: 15,858,870 km (0.06 R)
• M15: 17,414,389 km (0.108 R)
• M16: 20,516,899 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.9

Radius: 8.5

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.5 AU - 3.4 AU

Year: 3379 Days

Day: 6.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,513,706 km

• M1: 106,214 km (0.063 R)
• M2: 411,693 km (0.115 R)
• M3: 1,563,447 km (0.105 R)
• M4: 2,124,140 km (0.097 R)
• M5: 4,386,359 km (0.059 R)
• M6: 6,119,750 km (0.104 R)
• M7: 9,655,795 km (0.11 R)
• M8: 10,252,540 km (0.116 R)
• M9: 10,676,800 km (0.052 R)
• M10: 12,233,515 km (0.059 R)
• M11: 14,941,686 km (0.102 R)
• M12: 16,618,827 km (0.096 R)
• M13: 17,366,817 km (0.079 R)
• M14: 18,701,230 km (0.043 R)
• M15: 19,745,872 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 398

Radius: 5.5

Gravity: 13.16 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.55 AU - 6.71 AU

Year: 10121 Days

Day: 22.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 43,513,706 km

• M1: 68,366 km (0.08 R)
• M2: 276,756 km (0.103 R)
• M3: 610,958 km (0.106 R)
• M4: 1,221,616 km (0.093 R)
• M5: 1,437,486 km (0.06 R)
• M6: 1,764,806 km (0.049 R)
• M7: 2,058,018 km (0.12 R)
• M8: 3,224,133 km (0.085 R)
• M9: 3,687,588 km (0.086 R)
• M10: 5,470,794 km (0.079 R)
• M11: 5,793,477 km (0.077 R)
• M12: 7,760,390 km (0.09 R)
• M13: 7,962,496 km (0.12 R)
• M14: 8,293,108 km (0.052 R)
• M15: 11,640,360 km (0.088 R)
• M16: 13,874,455 km (0.089 R)
• M17: 20,831,653 km (0.107 R)
• M18: 22,342,592 km (0.093 R)
• M19: 22,917,347 km (0.085 R)
• M20: 24,440,103 km (0.115 R)
• M21: 24,613,338 km (0.042 R)
• M22: 27,873,823 km (0.07 R)
• M23: 28,157,910 km (0.109 R)
• M24: 29,021,688 km (0.108 R)
• M25: 30,300,301 km (0.086 R)
• M26: 32,132,127 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 620.6

Radius: 7.3

Gravity: 11.65 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.71 AU - 9.53 AU

Year: 16877 Days

Day: 21.2 Hours

Environment

Temp: -242 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 43,513,706 km

• M1: 90,806 km (0.099 R)
• M2: 442,660 km (0.101 R)
• M3: 1,205,310 km (0.075 R)
• M4: 1,659,190 km (0.118 R)
• M5: 1,935,348 km (0.084 R)
• M6: 2,344,647 km (0.06 R)
• M7: 3,283,374 km (0.088 R)
• M8: 4,015,356 km (0.109 R)
• M9: 5,024,843 km (0.114 R)
• M10: 5,994,237 km (0.097 R)
• M11: 6,234,491 km (0.114 R)
• M12: 9,110,959 km (0.091 R)
• M13: 10,257,776 km (0.099 R)
• M14: 11,744,779 km (0.084 R)
• M15: 13,920,680 km (0.077 R)
• M16: 16,274,154 km (0.091 R)
• M17: 17,544,988 km (0.075 R)
• M18: 18,288,190 km (0.047 R)
• M19: 20,282,779 km (0.114 R)
• M20: 21,565,431 km (0.112 R)
• M21: 25,947,900 km (0.108 R)
• M22: 26,266,693 km (0.112 R)
• M23: 31,367,382 km (0.11 R)
• M24: 32,955,364 km (0.101 R)
• M25: 33,204,444 km (0.114 R)
• M26: 35,371,669 km (0.12 R)
• M27: 41,705,493 km (0.094 R)
• M28: 45,291,952 km (0.116 R)
• M29: 48,272,989 km (0.084 R)
• M30: 48,755,442 km (0.056 R)
• M31: 58,724,345 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 392.5

Radius: 5.3

Gravity: 13.97 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 6.63 AU - 10.93 AU

Year: 17349 Days

Day: 19.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 43,513,706 km

• M1: 66,870 km (0.11 R)
• M2: 491,579 km (0.109 R)
• M3: 669,002 km (0.094 R)
• M4: 899,981 km (0.106 R)
• M5: 1,912,310 km (0.039 R)
• M6: 2,110,527 km (0.031 R)
• M7: 2,283,013 km (0.115 R)
• M8: 2,485,718 km (0.059 R)
• M9: 2,880,956 km (0.116 R)
• M10: 6,141,890 km (0.081 R)
• M11: 6,862,354 km (0.103 R)
• M12: 8,279,644 km (0.105 R)
• M13: 10,149,019 km (0.118 R)
• M14: 13,949,403 km (0.032 R)
• M15: 15,979,745 km (0.09 R)
• M16: 18,927,571 km (0.054 R)
• M17: 24,482,589 km (0.113 R)
• M18: 25,369,705 km (0.089 R)
• M19: 26,688,859 km (0.095 R)
• M20: 28,697,958 km (0.063 R)
• M21: 29,352,748 km (0.08 R)
• M22: 30,466,205 km (0.112 R)
• M23: 33,492,420 km (0.103 R)
• M24: 34,462,413 km (0.113 R)
• M25: 36,331,488 km (0.09 R)
• M26: 39,193,296 km (0.116 R)
• M27: 40,406,086 km (0.084 R)
• M28: 41,922,111 km (0.066 R)
• M29: 42,906,464 km (0.109 R)
• M30: 43,332,968 km (0.1 R)
• M31: 47,450,949 km (0.084 R)
• M32: 47,754,632 km (0.082 R)
• M33: 48,673,762 km (0.093 R)
• M34: 50,389,051 km (0.077 R)
• M35: 51,182,069 km (0.038 R)
• M36: 54,105,361 km (0.093 R)
• M37: 54,603,073 km (0.096 R)
• M38: 56,284,553 km (0.068 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144.2

Radius: 5.6

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 8.81 AU - 9.75 AU

Year: 18852 Days

Day: 24.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,513,706 km

• M1: 72,405 km (0.119 R)
• M2: 433,086 km (0.101 R)
• M3: 1,207,853 km (0.052 R)
• M4: 1,732,343 km (0.08 R)
• M5: 3,621,016 km (0.089 R)
• M6: 3,975,863 km (0.119 R)
• M7: 4,934,486 km (0.111 R)
• M8: 5,306,984 km (0.105 R)
• M9: 5,631,462 km (0.114 R)
• M10: 9,313,515 km (0.111 R)
• M11: 10,778,227 km (0.079 R)
• M12: 11,565,411 km (0.107 R)
• M13: 13,312,266 km (0.055 R)
• M14: 17,531,823 km (0.113 R)
• M15: 26,468,202 km (0.104 R)
• M16: 29,675,580 km (0.101 R)
• M17: 30,285,341 km (0.06 R)
• M18: 30,490,290 km (0.064 R)
• M19: 33,024,179 km (0.099 R)
• M20: 34,230,985 km (0.079 R)
• M21: 35,580,806 km (0.115 R)
• M22: 38,988,646 km (0.097 R)
• M23: 42,865,325 km (0.117 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 17,165 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit