🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.8

Radius: 14.4

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.55 AU - 0.69 AU

Year: 326 Days

Day: 7.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,281,263 km

• M1: 179,218 km (0.082 R)
• M2: 681,418 km (0.114 R)
• M3: 1,399,189 km (0.089 R)
• M4: 1,941,631 km (0.075 R)
• M5: 2,415,557 km (0.107 R)
• M6: 3,231,164 km (0.094 R)
• M7: 3,770,614 km (0.103 R)
• M8: 4,478,511 km (0.095 R)
• M9: 5,062,691 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.3

Radius: 13.6

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.54 AU - 0.78 AU

Year: 358 Days

Day: 10 Hours

Environment

Temp: -163 °C

Axial Tilt: 86.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 73,281,263 km

• M1: 169,794 km (0.119 R)
• M2: 706,700 km (0.076 R)
• M3: 1,380,788 km (0.111 R)
• M4: 2,315,027 km (0.034 R)
• M5: 2,884,546 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.5

Radius: 13.5

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.08 AU - 1.24 AU

Year: 833 Days

Day: 13 Hours

Environment

Temp: -183 °C

Axial Tilt: 109.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 73,281,263 km

• M1: 168,447 km (0.048 R)
• M2: 621,430 km (0.094 R)
• M3: 1,524,851 km (0.049 R)
• M4: 2,935,260 km (0.062 R)
• M5: 3,392,132 km (0.08 R)
• M6: 4,314,253 km (0.079 R)
• M7: 5,194,936 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.7

Radius: 8.7

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.64 AU - 2.04 AU

Year: 1664 Days

Day: 8.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,281,263 km

• M1: 108,458 km (0.112 R)
• M2: 406,757 km (0.094 R)
• M3: 739,761 km (0.059 R)
• M4: 1,066,483 km (0.062 R)
• M5: 1,337,555 km (0.085 R)
• M6: 1,772,136 km (0.084 R)
• M7: 2,310,988 km (0.11 R)
• M8: 2,912,371 km (0.09 R)
• M9: 4,184,103 km (0.098 R)
• M10: 4,792,667 km (0.086 R)
• M11: 5,393,901 km (0.118 R)
• M12: 5,860,048 km (0.116 R)
• M13: 6,328,738 km (0.114 R)
• M14: 7,501,884 km (0.101 R)
• M15: 8,428,643 km (0.106 R)
• M16: 8,844,077 km (0.119 R)
• M17: 10,746,961 km (0.043 R)
• M18: 11,739,244 km (0.042 R)
• M19: 12,182,802 km (0.093 R)
• M20: 12,985,843 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.7

Radius: 8

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.34 AU - 4.32 AU

Year: 4998 Days

Day: 8 Hours

Environment

Temp: -210 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,281,263 km

• M1: 99,483 km (0.104 R)
• M2: 578,944 km (0.111 R)
• M3: 868,116 km (0.053 R)
• M4: 1,475,783 km (0.077 R)
• M5: 1,862,194 km (0.116 R)
• M6: 2,327,593 km (0.082 R)
• M7: 5,088,871 km (0.092 R)
• M8: 5,519,563 km (0.042 R)
• M9: 5,925,422 km (0.074 R)
• M10: 6,769,752 km (0.074 R)
• M11: 8,476,066 km (0.07 R)
• M12: 9,147,162 km (0.093 R)
• M13: 9,887,671 km (0.115 R)
• M14: 10,486,661 km (0.116 R)
• M15: 11,109,736 km (0.084 R)
• M16: 11,411,475 km (0.067 R)
• M17: 13,894,501 km (0.107 R)
• M18: 15,564,462 km (0.057 R)
• M19: 15,894,774 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.9

Radius: 13.2

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 5.3 AU - 6.06 AU

Year: 9027 Days

Day: 11.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,281,263 km

• M1: 174,132 km (0.09 R)
• M2: 689,497 km (0.038 R)
• M3: 1,105,379 km (0.086 R)
• M4: 1,901,389 km (0.094 R)
• M5: 2,462,680 km (0.067 R)
• M6: 3,033,546 km (0.073 R)
• M7: 3,923,653 km (0.09 R)
• M8: 5,995,434 km (0.085 R)
• M9: 6,791,145 km (0.114 R)
• M10: 7,506,971 km (0.044 R)
• M11: 9,174,239 km (0.095 R)
• M12: 10,095,014 km (0.095 R)
• M13: 10,648,376 km (0.119 R)
• M14: 13,669,206 km (0.055 R)
• M15: 14,232,592 km (0.118 R)
• M16: 16,642,913 km (0.111 R)
• M17: 17,350,810 km (0.083 R)
• M18: 17,878,292 km (0.112 R)
• M19: 20,825,071 km (0.104 R)
• M20: 22,882,042 km (0.025 R)
• M21: 27,932,615 km (0.113 R)
• M22: 31,392,066 km (0.039 R)
• M23: 32,175,959 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 853.3

Radius: 7.8

Gravity: 14.03 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 7.59 AU - 8.51 AU

Year: 15231 Days

Day: 16.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 73,281,263 km

• M1: 98,735 km (0.092 R)
• M2: 528,679 km (0.1 R)
• M3: 1,027,737 km (0.076 R)
• M4: 1,514,828 km (0.082 R)
• M5: 2,268,801 km (0.118 R)
• M6: 2,800,323 km (0.045 R)
• M7: 3,225,180 km (0.094 R)
• M8: 3,578,381 km (0.119 R)
• M9: 3,867,554 km (0.108 R)
• M10: 4,460,261 km (0.06 R)
• M11: 6,227,161 km (0.094 R)
• M12: 6,646,933 km (0.118 R)
• M13: 8,466,641 km (0.118 R)
• M14: 9,962,321 km (0.085 R)
• M15: 10,246,856 km (0.1 R)
• M16: 11,378,115 km (0.119 R)
• M17: 11,626,447 km (0.115 R)
• M18: 12,524,483 km (0.108 R)
• M19: 13,746,100 km (0.097 R)
• M20: 17,389,107 km (0.036 R)
• M21: 17,885,473 km (0.091 R)
• M22: 20,878,627 km (0.085 R)
• M23: 22,106,377 km (0.119 R)
• M24: 27,389,126 km (0.082 R)
• M25: 35,529,644 km (0.105 R)
• M26: 37,276,349 km (0.063 R)
• M27: 38,798,357 km (0.114 R)
• M28: 45,457,557 km (0.08 R)
• M29: 48,321,608 km (0.095 R)
• M30: 48,810,344 km (0.119 R)
• M31: 53,880,815 km (0.071 R)
• M32: 56,723,324 km (0.032 R)
• M33: 61,362,653 km (0.075 R)
• M34: 63,872,157 km (0.076 R)
• M35: 66,248,669 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227.5

Radius: 4.7

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 7.66 AU - 9.68 AU

Year: 17024 Days

Day: 18.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,281,263 km

• M1: 107,112 km (0.113 R)
• M2: 633,547 km (0.083 R)
• M3: 928,105 km (0.116 R)
• M4: 1,223,262 km (0.086 R)
• M5: 2,173,208 km (0.085 R)
• M6: 4,084,919 km (0.089 R)
• M7: 4,481,653 km (0.084 R)
• M8: 6,073,973 km (0.093 R)
• M9: 7,175,462 km (0.048 R)
• M10: 7,337,327 km (0.109 R)
• M11: 9,138,635 km (0.114 R)
• M12: 9,618,993 km (0.052 R)
• M13: 10,525,706 km (0.094 R)
• M14: 14,274,928 km (0.071 R)
• M15: 15,052,538 km (0.102 R)
• M16: 15,653,921 km (0.1 R)
• M17: 19,761,280 km (0.053 R)
• M18: 23,808,651 km (0.041 R)
• M19: 31,941,838 km (0.118 R)
• M20: 35,094,164 km (0.118 R)
• M21: 37,105,957 km (0.088 R)
• M22: 40,075,026 km (0.117 R)
• M23: 45,922,358 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 669.1

Radius: 3.7

Gravity: 48.88 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 8.76 AU - 9.98 AU

Year: 19127 Days

Day: 22.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 73,281,263 km

• M1: 273,914 km (0.094 R)
• M2: 393,293 km (0.101 R)
• M3: 996,471 km (0.105 R)
• M4: 1,832,125 km (0.05 R)
• M5: 2,144,336 km (0.097 R)
• M6: 2,536,881 km (0.087 R)
• M7: 2,725,972 km (0.053 R)
• M8: 3,491,465 km (0.034 R)
• M9: 4,457,418 km (0.039 R)
• M10: 5,205,108 km (0.091 R)
• M11: 5,787,792 km (0.109 R)
• M12: 6,327,092 km (0.103 R)
• M13: 6,719,637 km (0.096 R)
• M14: 9,366,173 km (0.11 R)
• M15: 10,343,496 km (0.067 R)
• M16: 14,483,467 km (0.106 R)
• M17: 15,240,433 km (0.083 R)
• M18: 16,424,949 km (0.118 R)
• M19: 18,271,136 km (0.115 R)
• M20: 20,438,061 km (0.111 R)
• M21: 21,196,672 km (0.076 R)
• M22: 24,314,292 km (0.094 R)
• M23: 26,257,717 km (0.038 R)
• M24: 28,069,946 km (0.06 R)
• M25: 29,482,748 km (0.039 R)
• M26: 29,964,005 km (0.091 R)
• M27: 32,321,667 km (0.063 R)
• M28: 35,472,647 km (0.083 R)
• M29: 36,153,916 km (0.047 R)
• M30: 36,982,838 km (0.066 R)
• M31: 37,402,011 km (0.045 R)
• M32: 41,468,530 km (0.093 R)
• M33: 48,105,589 km (0.101 R)
• M34: 48,772,197 km (0.061 R)
• M35: 49,953,721 km (0.109 R)
• M36: 55,598,647 km (0.084 R)
• M37: 67,924,764 km (0.116 R)
• M38: 70,034,842 km (0.098 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 517 - 16,331 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit