🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.3

Radius: 12.2

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.62 AU - 0.88 AU

Year: 433 Days

Day: 10.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,155,046 km

• M1: 151,692 km (0.113 R)
• M2: 617,690 km (0.094 R)
• M3: 1,008,140 km (0.037 R)
• M4: 1,475,933 km (0.1 R)
• M5: 2,474,199 km (0.038 R)
• M6: 3,213,362 km (0.096 R)
• M7: 3,599,923 km (0.08 R)
• M8: 4,212,227 km (0.09 R)
• M9: 4,820,492 km (0.057 R)
• M10: 5,252,680 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373

Radius: 14

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.29 AU - 1.57 AU

Year: 1140 Days

Day: 10.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,155,046 km

• M1: 179,517 km (0.087 R)
• M2: 657,931 km (0.083 R)
• M3: 1,518,568 km (0.114 R)
• M4: 2,095,567 km (0.084 R)
• M5: 2,746,767 km (0.117 R)
• M6: 3,502,685 km (0.116 R)
• M7: 4,780,250 km (0.077 R)
• M8: 5,564,742 km (0.109 R)
• M9: 6,476,092 km (0.066 R)
• M10: 6,934,310 km (0.091 R)
• M11: 8,314,201 km (0.097 R)
• M12: 8,804,134 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940

Radius: 11.3

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.67 AU - 3.61 AU

Year: 3710 Days

Day: 5.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 83,155,046 km

• M1: 142,567 km (0.112 R)
• M2: 514,018 km (0.081 R)
• M3: 1,385,575 km (0.099 R)
• M4: 2,054,128 km (0.036 R)
• M5: 3,036,238 km (0.106 R)
• M6: 4,122,768 km (0.113 R)
• M7: 4,767,983 km (0.11 R)
• M8: 5,507,146 km (0.082 R)
• M9: 6,260,372 km (0.092 R)
• M10: 6,662,042 km (0.093 R)
• M11: 7,971,771 km (0.099 R)
• M12: 8,333,649 km (0.051 R)
• M13: 10,654,660 km (0.114 R)
• M14: 11,273,845 km (0.04 R)
• M15: 13,125,867 km (0.106 R)
• M16: 16,709,035 km (0.089 R)
• M17: 21,309,469 km (0.091 R)
• M18: 27,095,615 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.2

Radius: 12.2

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.28 AU - 4.62 AU

Year: 5235 Days

Day: 8 Hours

Environment

Temp: -227 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,155,046 km

• M1: 151,991 km (0.106 R)
• M2: 571,165 km (0.118 R)
• M3: 1,117,197 km (0.116 R)
• M4: 2,098,260 km (0.058 R)
• M5: 3,057,332 km (0.064 R)
• M6: 4,757,661 km (0.08 R)
• M7: 6,110,475 km (0.047 R)
• M8: 8,047,917 km (0.101 R)
• M9: 8,838,093 km (0.08 R)
• M10: 10,784,062 km (0.09 R)
• M11: 11,610,440 km (0.063 R)
• M12: 16,958,564 km (0.087 R)
• M13: 19,179,494 km (0.039 R)
• M14: 20,719,754 km (0.107 R)
• M15: 22,065,237 km (0.068 R)
• M16: 24,191,322 km (0.12 R)
• M17: 25,078,886 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.2

Radius: 12.9

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.68 AU - 4.56 AU

Year: 5577 Days

Day: 10 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 83,155,046 km

• M1: 160,369 km (0.059 R)
• M2: 563,984 km (0.099 R)
• M3: 987,795 km (0.056 R)
• M4: 1,392,307 km (0.11 R)
• M5: 1,856,210 km (0.06 R)
• M6: 2,644,142 km (0.117 R)
• M7: 3,514,952 km (0.101 R)
• M8: 4,517,856 km (0.081 R)
• M9: 5,555,467 km (0.085 R)
• M10: 6,547,151 km (0.067 R)
• M11: 7,544,969 km (0.051 R)
• M12: 7,948,883 km (0.109 R)
• M13: 8,881,027 km (0.068 R)
• M14: 9,542,100 km (0.091 R)
• M15: 12,983,300 km (0.047 R)
• M16: 14,331,027 km (0.061 R)
• M17: 15,183,286 km (0.11 R)
• M18: 15,949,078 km (0.087 R)
• M19: 16,432,877 km (0.106 R)
• M20: 17,051,614 km (0.074 R)
• M21: 18,008,741 km (0.04 R)
• M22: 19,545,411 km (0.086 R)
• M23: 21,023,288 km (0.041 R)
• M24: 21,532,070 km (0.091 R)
• M25: 22,049,081 km (0.096 R)
• M26: 24,200,597 km (0.099 R)
• M27: 27,685,330 km (0.108 R)
• M28: 29,276,303 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.7

Radius: 8.1

Gravity: 10.7 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.15 AU - 4.49 AU

Year: 5988 Days

Day: 11.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 83,155,046 km

• M1: 100,829 km (0.107 R)
• M2: 506,389 km (0.081 R)
• M3: 1,170,454 km (0.06 R)
• M4: 1,751,342 km (0.04 R)
• M5: 2,084,497 km (0.104 R)
• M6: 2,917,906 km (0.085 R)
• M7: 3,324,663 km (0.076 R)
• M8: 5,225,005 km (0.113 R)
• M9: 7,201,641 km (0.096 R)
• M10: 8,740,405 km (0.106 R)
• M11: 9,718,476 km (0.055 R)
• M12: 10,957,446 km (0.102 R)
• M13: 11,344,007 km (0.041 R)
• M14: 11,739,693 km (0.085 R)
• M15: 12,928,547 km (0.099 R)
• M16: 13,360,287 km (0.084 R)
• M17: 13,801,600 km (0.088 R)
• M18: 14,252,638 km (0.115 R)
• M19: 15,423,241 km (0.101 R)
• M20: 15,725,728 km (0.098 R)
• M21: 16,404,903 km (0.098 R)
• M22: 17,558,452 km (0.119 R)
• M23: 17,822,043 km (0.047 R)
• M24: 19,318,770 km (0.084 R)
• M25: 20,386,151 km (0.073 R)
• M26: 22,175,192 km (0.116 R)
• M27: 25,385,113 km (0.08 R)
• M28: 29,259,698 km (0.082 R)
• M29: 30,475,779 km (0.057 R)
• M30: 34,223,505 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342

Radius: 6.1

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 4.91 AU - 7.97 AU

Year: 10898 Days

Day: 19.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,155,046 km

• M1: 75,846 km (0.049 R)
• M2: 486,642 km (0.071 R)
• M3: 1,494,184 km (0.083 R)
• M4: 1,966,913 km (0.064 R)
• M5: 2,629,033 km (0.07 R)
• M6: 3,361,614 km (0.09 R)
• M7: 5,191,196 km (0.104 R)
• M8: 5,407,664 km (0.086 R)
• M9: 5,958,782 km (0.108 R)
• M10: 7,480,492 km (0.115 R)
• M11: 7,958,906 km (0.099 R)
• M12: 9,289,280 km (0.102 R)
• M13: 13,395,293 km (0.097 R)
• M14: 20,271,858 km (0.101 R)
• M15: 20,965,693 km (0.1 R)
• M16: 22,318,955 km (0.072 R)
• M17: 24,069,849 km (0.072 R)
• M18: 35,859,956 km (0.117 R)
• M19: 38,722,960 km (0.106 R)
• M20: 39,551,134 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 354.7

Radius: 5

Gravity: 14.19 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 5.97 AU - 8.13 AU

Year: 12483 Days

Day: 21.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,155,046 km

• M1: 62,233 km (0.03 R)
• M2: 296,952 km (0.074 R)
• M3: 618,587 km (0.117 R)
• M4: 949,049 km (0.065 R)
• M5: 1,126,622 km (0.108 R)
• M6: 1,620,295 km (0.104 R)
• M7: 1,923,978 km (0.08 R)
• M8: 2,892,774 km (0.119 R)
• M9: 3,755,505 km (0.104 R)
• M10: 4,659,226 km (0.102 R)
• M11: 6,220,130 km (0.098 R)
• M12: 7,355,428 km (0.075 R)
• M13: 8,937,874 km (0.088 R)
• M14: 9,881,239 km (0.095 R)
• M15: 10,528,997 km (0.111 R)
• M16: 12,990,331 km (0.106 R)
• M17: 13,285,488 km (0.097 R)
• M18: 17,756,070 km (0.076 R)
• M19: 19,163,936 km (0.118 R)
• M20: 20,804,875 km (0.079 R)
• M21: 21,866,272 km (0.087 R)
• M22: 36,838,476 km (0.069 R)
• M23: 44,623,698 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 69.6

Radius: 6.3

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 7.42 AU - 8.48 AU

Year: 14948 Days

Day: 17.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,155,046 km

• M1: 78,389 km (0.097 R)
• M2: 284,685 km (0.036 R)
• M3: 718,519 km (0.047 R)
• M4: 2,935,409 km (0.082 R)
• M5: 3,425,941 km (0.108 R)
• M6: 5,857,056 km (0.065 R)
• M7: 7,976,708 km (0.097 R)
• M8: 11,895,723 km (0.105 R)
• M9: 15,807,409 km (0.108 R)
• M10: 19,215,996 km (0.096 R)
• M11: 22,054,466 km (0.118 R)
• M12: 25,319,290 km (0.054 R)
• M13: 25,799,050 km (0.12 R)
• M14: 26,203,563 km (0.089 R)
• M15: 27,778,978 km (0.074 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 926.3

Radius: 4.2

Gravity: 52.51 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 9.09 AU - 9.99 AU

Year: 19650 Days

Day: 16.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 83,155,046 km

• M1: 52,210 km (0.113 R)
• M2: 295,306 km (0.096 R)
• M3: 640,428 km (0.083 R)
• M4: 925,113 km (0.08 R)
• M5: 1,076,656 km (0.093 R)
• M6: 1,446,462 km (0.116 R)
• M7: 2,164,083 km (0.071 R)
• M8: 2,649,677 km (0.038 R)
• M9: 3,494,457 km (0.111 R)
• M10: 4,027,175 km (0.117 R)
• M11: 4,576,348 km (0.035 R)
• M12: 5,654,949 km (0.084 R)
• M13: 9,769,489 km (0.115 R)
• M14: 13,504,798 km (0.114 R)
• M15: 13,728,148 km (0.063 R)
• M16: 14,258,921 km (0.118 R)
• M17: 16,350,598 km (0.09 R)
• M18: 16,519,494 km (0.105 R)
• M19: 18,182,574 km (0.03 R)
• M20: 21,837,100 km (0.106 R)
• M21: 22,979,879 km (0.076 R)
• M22: 23,835,578 km (0.058 R)
• M23: 25,046,424 km (0.053 R)
• M24: 27,233,694 km (0.09 R)
• M25: 28,924,599 km (0.077 R)
• M26: 31,852,079 km (0.111 R)
• M27: 33,319,635 km (0.09 R)
• M28: 42,760,607 km (0.108 R)
• M29: 45,538,041 km (0.072 R)
• M30: 48,259,675 km (0.068 R)
• M31: 52,176,147 km (0.102 R)
• M32: 53,279,880 km (0.096 R)
• M33: 58,637,129 km (0.082 R)
• M34: 59,032,965 km (0.059 R)
• M35: 65,611,083 km (0.055 R)
• M36: 66,037,736 km (0.102 R)
• M37: 67,762,749 km (0.081 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 14,373 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit