🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.4

Radius: 10.1

Gravity: 9.56 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.08 AU - 1.43 AU

Year: 982 Days

Day: 9.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 24,356,353 km

• M1: 128,654 km (0.091 R)
• M2: 444,605 km (0.106 R)
• M3: 778,657 km (0.106 R)
• M4: 1,282,054 km (0.086 R)
• M5: 2,206,419 km (0.109 R)
• M6: 3,130,335 km (0.048 R)
• M7: 4,897,086 km (0.048 R)
• M8: 5,473,038 km (0.093 R)
• M9: 5,809,783 km (0.12 R)
• M10: 7,123,851 km (0.104 R)
• M11: 7,706,834 km (0.109 R)
• M12: 8,266,479 km (0.051 R)
• M13: 8,967,944 km (0.09 R)
• M14: 9,288,831 km (0.093 R)
• M15: 10,682,934 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.1

Radius: 11.9

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.93 AU - 2.13 AU

Year: 2033 Days

Day: 11.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,356,353 km

• M1: 147,952 km (0.041 R)
• M2: 556,055 km (0.057 R)
• M3: 2,811,094 km (0.03 R)
• M4: 3,843,319 km (0.062 R)
• M5: 4,913,243 km (0.113 R)
• M6: 6,334,572 km (0.104 R)
• M7: 7,346,003 km (0.097 R)
• M8: 10,197,040 km (0.038 R)
• M9: 10,657,203 km (0.027 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.3

Radius: 10

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.68 AU - 2.52 AU

Year: 2139 Days

Day: 13.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 95.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,356,353 km

• M1: 124,465 km (0.099 R)
• M2: 933,341 km (0.119 R)
• M3: 1,347,129 km (0.046 R)
• M4: 1,905,278 km (0.083 R)
• M5: 2,310,090 km (0.114 R)
• M6: 4,475,819 km (0.1 R)
• M7: 5,243,256 km (0.111 R)
• M8: 5,574,017 km (0.115 R)
• M9: 6,329,785 km (0.101 R)
• M10: 6,732,652 km (0.051 R)
• M11: 7,619,618 km (0.03 R)
• M12: 11,758,093 km (0.098 R)
• M13: 13,084,877 km (0.093 R)
• M14: 13,563,291 km (0.118 R)
• M15: 15,837,328 km (0.052 R)
• M16: 16,733,120 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.2

Radius: 14.5

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.06 AU - 2.58 AU

Year: 2484 Days

Day: 12.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 24,356,353 km

• M1: 180,265 km (0.071 R)
• M2: 791,822 km (0.102 R)
• M3: 1,416,991 km (0.032 R)
• M4: 1,971,251 km (0.09 R)
• M5: 2,447,122 km (0.096 R)
• M6: 3,063,764 km (0.112 R)
• M7: 3,857,231 km (0.102 R)
• M8: 4,364,219 km (0.094 R)
• M9: 4,827,822 km (0.049 R)
• M10: 5,905,526 km (0.079 R)
• M11: 6,395,309 km (0.089 R)
• M12: 6,940,144 km (0.035 R)
• M13: 7,605,107 km (0.036 R)
• M14: 8,600,681 km (0.116 R)
• M15: 10,037,419 km (0.089 R)
• M16: 10,513,140 km (0.103 R)
• M17: 11,950,177 km (0.1 R)
• M18: 14,005,353 km (0.108 R)
• M19: 15,022,169 km (0.053 R)
• M20: 16,588,309 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.5

Radius: 12.9

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.47 AU - 4.79 AU

Year: 5900 Days

Day: 13.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,356,353 km

• M1: 160,369 km (0.045 R)
• M2: 667,356 km (0.089 R)
• M3: 2,658,055 km (0.034 R)
• M4: 3,767,323 km (0.064 R)
• M5: 8,431,037 km (0.113 R)
• M6: 14,293,478 km (0.072 R)
• M7: 16,484,040 km (0.065 R)
• M8: 17,240,107 km (0.111 R)
• M9: 19,439,346 km (0.099 R)
• M10: 20,283,526 km (0.11 R)
• M11: 23,353,275 km (0.117 R)
• M12: 26,548,985 km (0.096 R)
• M13: 29,016,003 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.2

Radius: 9.6

Gravity: 10.51 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.05 AU - 4.61 AU

Year: 6333 Days

Day: 6 Hours

Environment

Temp: -221 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 24,356,353 km

• M1: 124,914 km (0.102 R)
• M2: 450,290 km (0.084 R)
• M3: 847,173 km (0.09 R)
• M4: 1,687,763 km (0.049 R)
• M5: 2,594,177 km (0.108 R)
• M6: 3,198,702 km (0.059 R)
• M7: 4,603,874 km (0.093 R)
• M8: 4,975,027 km (0.118 R)
• M9: 5,428,009 km (0.062 R)
• M10: 6,917,705 km (0.108 R)
• M11: 7,638,766 km (0.082 R)
• M12: 9,409,706 km (0.086 R)
• M13: 10,198,984 km (0.112 R)
• M14: 10,732,750 km (0.073 R)
• M15: 12,832,356 km (0.113 R)
• M16: 13,169,400 km (0.116 R)
• M17: 16,017,444 km (0.104 R)
• M18: 18,036,118 km (0.083 R)
• M19: 19,399,104 km (0.089 R)
• M20: 21,373,796 km (0.059 R)
• M21: 21,927,457 km (0.066 R)
• M22: 24,581,623 km (0.03 R)
• M23: 25,102,074 km (0.097 R)
• M24: 27,628,483 km (0.081 R)
• M25: 31,423,482 km (0.116 R)
• M26: 31,933,909 km (0.056 R)
• M27: 32,761,934 km (0.116 R)
• M28: 34,245,496 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.6

Radius: 14.6

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 4.54 AU - 5.84 AU

Year: 8311 Days

Day: 5 Hours

Environment

Temp: -216 °C

Axial Tilt: 177.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 24,356,353 km

• M1: 181,761 km (0.082 R)
• M2: 863,778 km (0.079 R)
• M3: 1,817,614 km (0.118 R)
• M4: 4,017,600 km (0.078 R)
• M5: 4,543,587 km (0.09 R)
• M6: 6,301,661 km (0.113 R)
• M7: 7,277,787 km (0.103 R)
• M8: 9,304,389 km (0.117 R)
• M9: 10,183,725 km (0.06 R)
• M10: 13,213,531 km (0.071 R)
• M11: 16,667,148 km (0.107 R)
• M12: 22,261,210 km (0.078 R)
• M13: 24,003,577 km (0.071 R)
• M14: 26,284,645 km (0.096 R)
• M15: 27,571,336 km (0.082 R)
• M16: 31,478,534 km (0.073 R)
• M17: 32,094,877 km (0.119 R)
• M18: 38,242,003 km (0.117 R)
• M19: 40,373,473 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 678

Radius: 3.5

Gravity: 55.35 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 6.69 AU - 7.21 AU

Year: 12879 Days

Day: 21.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 24,356,353 km

• M1: 45,029 km (0.104 R)
• M2: 185,651 km (0.095 R)
• M3: 389,852 km (0.065 R)
• M4: 958,474 km (0.11 R)
• M5: 1,310,627 km (0.082 R)
• M6: 1,450,351 km (0.099 R)
• M7: 1,662,481 km (0.085 R)
• M8: 1,877,752 km (0.078 R)
• M9: 2,074,025 km (0.119 R)
• M10: 2,657,756 km (0.077 R)
• M11: 2,859,414 km (0.104 R)
• M12: 3,395,273 km (0.042 R)
• M13: 4,289,719 km (0.051 R)
• M14: 4,473,425 km (0.096 R)
• M15: 5,022,599 km (0.106 R)
• M16: 6,292,236 km (0.083 R)
• M17: 6,410,119 km (0.1 R)
• M18: 7,106,348 km (0.11 R)
• M19: 7,761,287 km (0.057 R)
• M20: 8,034,154 km (0.116 R)
• M21: 8,744,444 km (0.086 R)
• M22: 9,913,252 km (0.09 R)
• M23: 11,067,849 km (0.071 R)
• M24: 11,707,081 km (0.057 R)
• M25: 14,037,666 km (0.08 R)
• M26: 14,994,643 km (0.074 R)
• M27: 15,704,186 km (0.081 R)
• M28: 16,140,563 km (0.074 R)
• M29: 16,961,407 km (0.107 R)
• M30: 17,731,536 km (0.072 R)
• M31: 18,364,186 km (0.088 R)
• M32: 18,605,188 km (0.104 R)
• M33: 19,507,114 km (0.062 R)
• M34: 22,387,321 km (0.039 R)
• M35: 24,071,793 km (0.115 R)
• M36: 26,960,229 km (0.116 R)
• M37: 28,972,919 km (0.1 R)
• M38: 32,585,109 km (0.104 R)
• M39: 32,702,693 km (0.11 R)
• M40: 36,739,891 km (0.07 R)
• M41: 52,736,541 km (0.11 R)
• M42: 56,546,200 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 801.3

Radius: 6.3

Gravity: 20.19 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 7.82 AU - 8.4 AU

Year: 16235 Days

Day: 17 Hours

Environment

Temp: -231 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 24,356,353 km

• M1: 88,712 km (0.091 R)
• M2: 512,522 km (0.105 R)
• M3: 780,602 km (0.077 R)
• M4: 1,154,148 km (0.091 R)
• M5: 2,559,919 km (0.1 R)
• M6: 2,939,897 km (0.082 R)
• M7: 3,579,578 km (0.086 R)
• M8: 4,571,711 km (0.072 R)
• M9: 5,023,048 km (0.079 R)
• M10: 5,814,271 km (0.107 R)
• M11: 15,205,726 km (0.045 R)
• M12: 18,260,365 km (0.031 R)
• M13: 18,690,608 km (0.107 R)
• M14: 23,878,064 km (0.062 R)
• M15: 24,289,009 km (0.106 R)
• M16: 24,496,203 km (0.076 R)
• M17: 25,657,082 km (0.093 R)
• M18: 32,016,039 km (0.077 R)
• M19: 40,357,018 km (0.112 R)
• M20: 40,940,000 km (0.115 R)
• M21: 42,272,319 km (0.118 R)
• M22: 43,176,489 km (0.059 R)
• M23: 43,633,361 km (0.056 R)
• M24: 45,650,538 km (0.079 R)
• M25: 57,957,656 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 23.9

Radius: 7.8

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 8.74 AU - 9.52 AU

Year: 19392 Days

Day: 23.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 24,356,353 km

• M1: 142,118 km (0.1 R)
• M2: 548,426 km (0.114 R)
• M3: 1,101,938 km (0.079 R)
• M4: 6,279,221 km (0.089 R)
• M5: 8,031,760 km (0.054 R)
• M6: 11,787,415 km (0.082 R)
• M7: 22,859,901 km (0.074 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 12,063 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit