🌌 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: 818.2

Radius: 8.5

Gravity: 11.32 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.5 AU - 0.74 AU

Year: 326 Days

Day: 14.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,299,115 km

• M1: 105,766 km (0.049 R)
• M2: 402,418 km (0.094 R)
• M3: 685,158 km (0.106 R)
• M4: 1,071,420 km (0.069 R)
• M5: 1,494,184 km (0.103 R)
• M6: 1,767,200 km (0.06 R)
• M7: 2,180,838 km (0.109 R)
• M8: 2,795,236 km (0.117 R)
• M9: 3,439,105 km (0.112 R)
• M10: 3,883,262 km (0.107 R)
• M11: 4,543,736 km (0.086 R)
• M12: 4,871,954 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.9

Radius: 10.5

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.12 AU - 1.3 AU

Year: 888 Days

Day: 14.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,299,115 km

• M1: 130,599 km (0.093 R)
• M2: 514,317 km (0.08 R)
• M3: 871,707 km (0.053 R)
• M4: 1,328,130 km (0.052 R)
• M5: 1,749,996 km (0.103 R)
• M6: 2,092,276 km (0.109 R)
• M7: 2,428,721 km (0.074 R)
• M8: 2,801,669 km (0.067 R)
• M9: 3,350,244 km (0.094 R)
• M10: 3,954,919 km (0.096 R)
• M11: 4,443,506 km (0.084 R)
• M12: 4,889,457 km (0.115 R)
• M13: 5,347,376 km (0.031 R)
• M14: 5,686,813 km (0.106 R)
• M15: 6,389,325 km (0.095 R)
• M16: 6,833,780 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.5

Radius: 9.9

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.16 AU - 1.65 AU

Year: 1105 Days

Day: 11 Hours

Environment

Temp: -189 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,299,115 km

• M1: 125,513 km (0.086 R)
• M2: 439,070 km (0.08 R)
• M3: 793,018 km (0.103 R)
• M4: 1,359,845 km (0.118 R)
• M5: 2,378,457 km (0.045 R)
• M6: 3,118,068 km (0.066 R)
• M7: 3,671,132 km (0.109 R)
• M8: 4,169,592 km (0.097 R)
• M9: 5,106,972 km (0.116 R)
• M10: 6,606,092 km (0.063 R)
• M11: 7,696,661 km (0.116 R)
• M12: 8,006,777 km (0.062 R)
• M13: 8,790,969 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.3

Radius: 13.6

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.95 AU - 3.21 AU

Year: 3605 Days

Day: 12.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,299,115 km

• M1: 176,376 km (0.057 R)
• M2: 765,492 km (0.06 R)
• M3: 1,286,093 km (0.115 R)
• M4: 1,731,296 km (0.094 R)
• M5: 2,281,517 km (0.088 R)
• M6: 2,861,807 km (0.09 R)
• M7: 4,013,860 km (0.101 R)
• M8: 4,483,747 km (0.049 R)
• M9: 6,592,180 km (0.098 R)
• M10: 7,412,574 km (0.065 R)
• M11: 8,229,229 km (0.069 R)
• M12: 8,880,578 km (0.078 R)
• M13: 9,961,872 km (0.114 R)
• M14: 11,567,506 km (0.102 R)
• M15: 12,246,680 km (0.117 R)
• M16: 15,233,102 km (0.099 R)
• M17: 15,719,595 km (0.109 R)
• M18: 17,241,603 km (0.116 R)
• M19: 17,889,213 km (0.073 R)
• M20: 19,170,369 km (0.044 R)
• M21: 19,993,606 km (0.064 R)
• M22: 21,507,835 km (0.114 R)
• M23: 24,541,979 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.3

Radius: 11.6

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.5 AU - 3.78 AU

Year: 3710 Days

Day: 10.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,299,115 km

• M1: 146,456 km (0.072 R)
• M2: 610,060 km (0.057 R)
• M3: 1,180,626 km (0.096 R)
• M4: 1,805,048 km (0.089 R)
• M5: 3,660,660 km (0.12 R)
• M6: 4,047,520 km (0.105 R)
• M7: 5,673,350 km (0.056 R)
• M8: 7,181,296 km (0.081 R)
• M9: 8,044,625 km (0.099 R)
• M10: 9,431,996 km (0.103 R)
• M11: 10,467,064 km (0.038 R)
• M12: 11,699,750 km (0.086 R)
• M13: 13,566,881 km (0.08 R)
• M14: 15,030,696 km (0.054 R)
• M15: 15,624,750 km (0.075 R)
• M16: 16,912,787 km (0.113 R)
• M17: 17,447,300 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.3

Radius: 11.1

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.23 AU - 3.85 AU

Year: 4442 Days

Day: 5.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,299,115 km

• M1: 138,079 km (0.059 R)
• M2: 915,838 km (0.036 R)
• M3: 1,262,456 km (0.093 R)
• M4: 1,836,463 km (0.07 R)
• M5: 2,466,121 km (0.081 R)
• M6: 4,854,152 km (0.077 R)
• M7: 5,271,679 km (0.108 R)
• M8: 5,741,417 km (0.078 R)
• M9: 6,178,990 km (0.098 R)
• M10: 6,544,907 km (0.078 R)
• M11: 7,253,851 km (0.097 R)
• M12: 8,048,964 km (0.094 R)
• M13: 8,939,520 km (0.064 R)
• M14: 9,894,553 km (0.11 R)
• M15: 10,482,323 km (0.116 R)
• M16: 11,407,436 km (0.09 R)
• M17: 11,913,376 km (0.098 R)
• M18: 14,832,629 km (0.117 R)
• M19: 15,659,008 km (0.049 R)
• M20: 16,985,342 km (0.109 R)
• M21: 18,322,897 km (0.115 R)
• M22: 20,728,580 km (0.101 R)
• M23: 21,275,211 km (0.1 R)
• M24: 21,831,416 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.9

Radius: 12.2

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.48 AU - 3.6 AU

Year: 4442 Days

Day: 6.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 66,299,115 km

• M1: 153,338 km (0.106 R)
• M2: 625,469 km (0.115 R)
• M3: 1,368,671 km (0.104 R)
• M4: 1,796,072 km (0.117 R)
• M5: 2,574,729 km (0.118 R)
• M6: 4,516,809 km (0.11 R)
• M7: 8,540,842 km (0.104 R)
• M8: 9,136,092 km (0.117 R)
• M9: 10,454,049 km (0.098 R)
• M10: 10,951,013 km (0.06 R)
• M11: 11,701,994 km (0.04 R)
• M12: 12,287,520 km (0.104 R)
• M13: 13,046,879 km (0.118 R)
• M14: 13,464,556 km (0.089 R)
• M15: 14,436,943 km (0.04 R)
• M16: 15,455,554 km (0.081 R)
• M17: 16,280,587 km (0.081 R)
• M18: 17,826,381 km (0.087 R)
• M19: 18,668,019 km (0.096 R)
• M20: 20,014,101 km (0.049 R)
• M21: 21,859,540 km (0.066 R)
• M22: 22,449,554 km (0.104 R)
• M23: 26,132,803 km (0.102 R)
• M24: 27,134,062 km (0.078 R)
• M25: 28,596,082 km (0.084 R)
• M26: 30,200,818 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 919.1

Radius: 6

Gravity: 25.53 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.75 AU - 7.17 AU

Year: 9703 Days

Day: 16.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 66,299,115 km

• M1: 81,082 km (0.09 R)
• M2: 342,579 km (0.044 R)
• M3: 588,817 km (0.118 R)
• M4: 1,115,851 km (0.078 R)
• M5: 1,485,656 km (0.069 R)
• M6: 3,461,096 km (0.092 R)
• M7: 3,853,492 km (0.066 R)
• M8: 4,246,036 km (0.092 R)
• M9: 4,452,033 km (0.103 R)
• M10: 5,378,193 km (0.084 R)
• M11: 5,584,788 km (0.116 R)
• M12: 5,796,768 km (0.099 R)
• M13: 6,542,214 km (0.12 R)
• M14: 8,636,135 km (0.043 R)
• M15: 10,647,030 km (0.061 R)
• M16: 11,028,505 km (0.101 R)
• M17: 13,448,250 km (0.112 R)
• M18: 15,085,449 km (0.041 R)
• M19: 17,444,009 km (0.093 R)
• M20: 20,787,223 km (0.089 R)
• M21: 21,468,940 km (0.092 R)
• M22: 21,902,624 km (0.094 R)
• M23: 23,695,854 km (0.109 R)
• M24: 26,367,522 km (0.099 R)
• M25: 29,873,498 km (0.114 R)
• M26: 32,300,424 km (0.099 R)
• M27: 34,145,864 km (0.079 R)
• M28: 37,044,173 km (0.086 R)
• M29: 45,281,480 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 954.7

Radius: 6.2

Gravity: 24.84 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 6.03 AU - 6.69 AU

Year: 10696 Days

Day: 21.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 66,299,115 km

• M1: 77,193 km (0.066 R)
• M2: 310,416 km (0.12 R)
• M3: 558,898 km (0.079 R)
• M4: 812,167 km (0.09 R)
• M5: 1,291,628 km (0.095 R)
• M6: 1,909,467 km (0.069 R)
• M7: 2,198,341 km (0.118 R)
• M8: 2,516,087 km (0.104 R)
• M9: 2,886,790 km (0.109 R)
• M10: 4,743,898 km (0.106 R)
• M11: 5,038,157 km (0.119 R)
• M12: 5,379,390 km (0.067 R)
• M13: 6,656,058 km (0.119 R)
• M14: 7,451,470 km (0.097 R)
• M15: 10,003,161 km (0.119 R)
• M16: 11,329,944 km (0.109 R)
• M17: 13,795,168 km (0.118 R)
• M18: 15,152,469 km (0.097 R)
• M19: 15,647,937 km (0.098 R)
• M20: 18,527,397 km (0.105 R)
• M21: 21,475,522 km (0.09 R)
• M22: 23,763,023 km (0.119 R)
• M23: 24,335,235 km (0.115 R)
• M24: 26,614,209 km (0.111 R)
• M25: 36,144,192 km (0.066 R)
• M26: 45,640,066 km (0.083 R)
• M27: 47,569,131 km (0.087 R)
• M28: 47,870,720 km (0.098 R)
• M29: 49,397,516 km (0.08 R)
• M30: 49,861,868 km (0.057 R)
• M31: 51,430,551 km (0.041 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 416.3

Radius: 6.9

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 8.37 AU - 11.49 AU

Year: 20867 Days

Day: 18.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,299,115 km

• M1: 87,814 km (0.076 R)
• M2: 372,499 km (0.094 R)
• M3: 699,071 km (0.049 R)
• M4: 1,183,768 km (0.059 R)
• M5: 1,768,396 km (0.117 R)
• M6: 2,530,747 km (0.087 R)
• M7: 3,305,515 km (0.033 R)
• M8: 4,228,833 km (0.092 R)
• M9: 4,582,781 km (0.047 R)
• M10: 7,500,388 km (0.07 R)
• M11: 7,923,601 km (0.066 R)
• M12: 8,869,059 km (0.112 R)
• M13: 15,263,321 km (0.066 R)
• M14: 16,096,432 km (0.082 R)
• M15: 22,992,146 km (0.075 R)
• M16: 25,738,164 km (0.044 R)
• M17: 26,162,723 km (0.102 R)
• M18: 27,135,109 km (0.069 R)
• M19: 29,729,286 km (0.077 R)
• M20: 30,314,363 km (0.078 R)
• M21: 32,607,698 km (0.082 R)
• M22: 33,986,991 km (0.089 R)
• M23: 37,672,633 km (0.038 R)
• M24: 39,752,642 km (0.095 R)
• M25: 40,892,728 km (0.096 R)
• M26: 43,387,422 km (0.051 R)
• M27: 46,921,671 km (0.107 R)
• M28: 50,809,271 km (0.085 R)
• M29: 53,516,993 km (0.116 R)
• M30: 56,497,581 km (0.106 R)
• M31: 58,850,306 km (0.086 R)
• M32: 62,787,573 km (0.073 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: 361 - 14,552 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit