🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.4

Radius: 9.6

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.68 AU - 0.72 AU

Year: 391 Days

Day: 10.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 92,180,323 km

• M1: 119,379 km (0.101 R)
• M2: 457,620 km (0.096 R)
• M3: 781,050 km (0.052 R)
• M4: 1,258,417 km (0.038 R)
• M5: 1,689,858 km (0.112 R)
• M6: 2,406,581 km (0.098 R)
• M7: 2,750,955 km (0.106 R)
• M8: 3,128,241 km (0.042 R)
• M9: 3,441,798 km (0.115 R)
• M10: 3,834,193 km (0.051 R)
• M11: 4,157,175 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.4

Radius: 10.2

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.94 AU - 1.54 AU

Year: 921 Days

Day: 12.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 92,180,323 km

• M1: 126,859 km (0.118 R)
• M2: 517,309 km (0.062 R)
• M3: 945,159 km (0.034 R)
• M4: 1,294,470 km (0.104 R)
• M5: 1,828,236 km (0.079 R)
• M6: 2,493,647 km (0.081 R)
• M7: 2,951,865 km (0.115 R)
• M8: 4,081,927 km (0.116 R)
• M9: 4,485,692 km (0.117 R)
• M10: 5,859,599 km (0.113 R)
• M11: 6,257,679 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.7

Radius: 9

Gravity: 9.49 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.58 AU - 2.4 AU

Year: 1872 Days

Day: 10.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 92,180,323 km

• M1: 112,348 km (0.092 R)
• M2: 452,234 km (0.092 R)
• M3: 794,215 km (0.069 R)
• M4: 1,187,358 km (0.117 R)
• M5: 1,739,524 km (0.075 R)
• M6: 2,063,553 km (0.067 R)
• M7: 3,047,159 km (0.108 R)
• M8: 3,591,097 km (0.037 R)
• M9: 4,455,773 km (0.097 R)
• M10: 4,851,160 km (0.116 R)
• M11: 5,832,821 km (0.104 R)
• M12: 6,725,172 km (0.052 R)
• M13: 7,051,296 km (0.106 R)
• M14: 7,676,615 km (0.093 R)
• M15: 11,106,296 km (0.084 R)
• M16: 11,952,571 km (0.049 R)
• M17: 13,091,160 km (0.091 R)
• M18: 13,386,765 km (0.107 R)
• M19: 14,659,245 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.4

Radius: 9.6

Gravity: 10.56 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.55 AU - 2.61 AU

Year: 2763 Days

Day: 8.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 92,180,323 km

• M1: 122,521 km (0.053 R)
• M2: 505,491 km (0.089 R)
• M3: 1,407,267 km (0.117 R)
• M4: 1,721,572 km (0.096 R)
• M5: 2,480,781 km (0.073 R)
• M6: 3,154,122 km (0.097 R)
• M7: 4,221,502 km (0.077 R)
• M8: 4,814,359 km (0.11 R)
• M9: 7,083,160 km (0.088 R)
• M10: 8,537,999 km (0.1 R)
• M11: 9,335,805 km (0.053 R)
• M12: 10,103,391 km (0.087 R)
• M13: 10,706,420 km (0.03 R)
• M14: 15,148,131 km (0.087 R)
• M15: 20,877,131 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.3

Radius: 14.4

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.35 AU - 3.07 AU

Year: 2975 Days

Day: 14.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 92,180,323 km

• M1: 179,069 km (0.086 R)
• M2: 698,173 km (0.04 R)
• M3: 1,169,556 km (0.08 R)
• M4: 2,156,753 km (0.105 R)
• M5: 2,618,262 km (0.099 R)
• M6: 4,647,856 km (0.043 R)
• M7: 6,823,757 km (0.062 R)
• M8: 7,540,630 km (0.075 R)
• M9: 8,834,951 km (0.062 R)
• M10: 10,352,621 km (0.09 R)
• M11: 12,260,892 km (0.101 R)
• M12: 13,133,347 km (0.117 R)
• M13: 16,270,863 km (0.101 R)
• M14: 17,324,780 km (0.11 R)
• M15: 17,781,951 km (0.077 R)
• M16: 18,840,206 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.8

Radius: 13.4

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.23 AU - 3.59 AU

Year: 3310 Days

Day: 11.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 92,180,323 km

• M1: 181,013 km (0.11 R)
• M2: 622,327 km (0.072 R)
• M3: 1,770,491 km (0.055 R)
• M4: 2,888,136 km (0.105 R)
• M5: 3,319,427 km (0.112 R)
• M6: 3,883,710 km (0.064 R)
• M7: 5,206,305 km (0.084 R)
• M8: 6,292,984 km (0.102 R)
• M9: 7,813,796 km (0.079 R)
• M10: 8,290,265 km (0.046 R)
• M11: 9,203,859 km (0.111 R)
• M12: 12,349,753 km (0.077 R)
• M13: 12,793,012 km (0.116 R)
• M14: 14,230,647 km (0.034 R)
• M15: 15,867,547 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.5

Radius: 14.6

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.89 AU - 3.25 AU

Year: 3587 Days

Day: 13.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 92,180,323 km

• M1: 184,604 km (0.057 R)
• M2: 812,616 km (0.03 R)
• M3: 1,270,236 km (0.058 R)
• M4: 2,095,866 km (0.082 R)
• M5: 2,575,028 km (0.116 R)
• M6: 3,656,022 km (0.052 R)
• M7: 5,204,061 km (0.096 R)
• M8: 5,807,240 km (0.085 R)
• M9: 7,024,218 km (0.076 R)
• M10: 7,522,379 km (0.046 R)
• M11: 9,435,138 km (0.105 R)
• M12: 9,960,376 km (0.098 R)
• M13: 11,292,096 km (0.085 R)
• M14: 12,836,993 km (0.104 R)
• M15: 13,332,013 km (0.095 R)
• M16: 14,786,104 km (0.116 R)
• M17: 17,281,546 km (0.074 R)
• M18: 18,755,235 km (0.09 R)
• M19: 20,244,781 km (0.026 R)
• M20: 21,951,842 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.2

Radius: 3.3

Gravity: 74.21 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 9.1 AU - 11.9 AU

Year: 22689 Days

Day: 18.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 92,180,323 km

• M1: 41,588 km (0.091 R)
• M2: 195,973 km (0.081 R)
• M3: 689,197 km (0.078 R)
• M4: 897,737 km (0.112 R)
• M5: 1,090,868 km (0.092 R)
• M6: 1,406,818 km (0.085 R)
• M7: 2,307,996 km (0.105 R)
• M8: 2,448,768 km (0.114 R)
• M9: 3,724,987 km (0.04 R)
• M10: 3,918,866 km (0.041 R)
• M11: 5,068,376 km (0.083 R)
• M12: 5,469,448 km (0.078 R)
• M13: 6,021,763 km (0.119 R)
• M14: 7,487,373 km (0.108 R)
• M15: 7,848,353 km (0.115 R)
• M16: 10,262,414 km (0.045 R)
• M17: 11,500,785 km (0.111 R)
• M18: 14,505,309 km (0.115 R)
• M19: 15,640,457 km (0.04 R)
• M20: 19,017,031 km (0.102 R)
• M21: 22,212,441 km (0.098 R)
• M22: 22,956,092 km (0.113 R)
• M23: 23,826,154 km (0.118 R)
• M24: 25,401,419 km (0.055 R)
• M25: 26,331,918 km (0.051 R)
• M26: 32,532,451 km (0.089 R)
• M27: 33,767,830 km (0.075 R)
• M28: 33,907,105 km (0.086 R)
• M29: 34,326,877 km (0.099 R)
• M30: 43,632,463 km (0.101 R)
• M31: 44,129,128 km (0.084 R)
• M32: 44,462,282 km (0.037 R)
• M33: 49,662,903 km (0.06 R)
• M34: 61,250,754 km (0.115 R)
• M35: 68,554,271 km (0.092 R)
• M36: 75,462,103 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 829.9

Radius: 3

Gravity: 92.21 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 9.86 AU - 12.08 AU

Year: 24229 Days

Day: 15.7 Hours

Environment

Temp: -245 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 92,180,323 km

• M1: 37,250 km (0.113 R)
• M2: 208,839 km (0.117 R)
• M3: 367,263 km (0.108 R)
• M4: 669,301 km (0.114 R)
• M5: 3,501,488 km (0.047 R)
• M6: 3,627,000 km (0.088 R)
• M7: 4,229,730 km (0.086 R)
• M8: 4,518,005 km (0.046 R)
• M9: 5,378,043 km (0.107 R)
• M10: 10,100,699 km (0.115 R)
• M11: 11,011,151 km (0.073 R)
• M12: 11,486,274 km (0.045 R)
• M13: 12,116,979 km (0.04 R)
• M14: 12,404,506 km (0.074 R)
• M15: 12,550,065 km (0.097 R)
• M16: 14,871,375 km (0.111 R)
• M17: 15,789,457 km (0.066 R)
• M18: 17,463,307 km (0.105 R)
• M19: 19,840,866 km (0.083 R)
• M20: 20,644,955 km (0.071 R)
• M21: 25,109,255 km (0.108 R)
• M22: 26,769,641 km (0.081 R)
• M23: 27,626,688 km (0.107 R)
• M24: 27,874,721 km (0.046 R)
• M25: 28,882,412 km (0.093 R)
• M26: 30,969,901 km (0.066 R)
• M27: 32,877,124 km (0.096 R)
• M28: 34,286,336 km (0.104 R)
• M29: 40,485,821 km (0.081 R)
• M30: 45,986,984 km (0.047 R)
• M31: 50,471,180 km (0.098 R)
• M32: 55,829,477 km (0.041 R)
• M33: 56,027,544 km (0.04 R)
• M34: 62,403,106 km (0.114 R)
• M35: 62,616,433 km (0.062 R)
• M36: 65,214,499 km (0.105 R)
• M37: 68,789,140 km (0.077 R)
• M38: 69,016,828 km (0.056 R)
• M39: 71,787,979 km (0.1 R)
• M40: 79,789,221 km (0.105 R)
• M41: 85,704,022 km (0.081 R)
• M42: 88,902,873 km (0.092 R)
• M43: 89,714,741 km (0.067 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 452 - 16,473 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit