🌌 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: 598.9

Radius: 10.1

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.24 AU - 1.26 AU

Year: 948 Days

Day: 6.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,408,930 km

• M1: 125,662 km (0.1 R)
• M2: 457,470 km (0.09 R)
• M3: 1,052,870 km (0.08 R)
• M4: 1,395,000 km (0.047 R)
• M5: 1,913,207 km (0.084 R)
• M6: 2,259,825 km (0.116 R)
• M7: 2,767,860 km (0.087 R)
• M8: 3,323,167 km (0.116 R)
• M9: 3,664,549 km (0.036 R)
• M10: 4,351,802 km (0.118 R)
• M11: 4,779,203 km (0.117 R)
• M12: 5,678,885 km (0.078 R)
• M13: 6,555,229 km (0.111 R)
• M14: 7,713,266 km (0.086 R)
• M15: 8,238,504 km (0.089 R)
• M16: 8,733,972 km (0.108 R)
• M17: 9,084,331 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.3

Radius: 9.5

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.06 AU - 1.54 AU

Year: 1005 Days

Day: 7.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,408,930 km

• M1: 184,604 km (0.084 R)
• M2: 579,991 km (0.094 R)
• M3: 1,073,664 km (0.066 R)
• M4: 1,484,310 km (0.048 R)
• M5: 2,124,739 km (0.115 R)
• M6: 2,989,414 km (0.088 R)
• M7: 3,579,877 km (0.09 R)
• M8: 4,214,322 km (0.104 R)
• M9: 5,474,085 km (0.098 R)
• M10: 5,925,123 km (0.109 R)
• M11: 8,105,961 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.5

Radius: 8.1

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.22 AU - 1.48 AU

Year: 1064 Days

Day: 10.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,408,930 km

• M1: 100,679 km (0.072 R)
• M2: 367,263 km (0.115 R)
• M3: 748,289 km (0.111 R)
• M4: 1,491,491 km (0.115 R)
• M5: 1,804,150 km (0.114 R)
• M6: 2,160,642 km (0.051 R)
• M7: 2,438,744 km (0.081 R)
• M8: 2,692,762 km (0.079 R)
• M9: 3,002,878 km (0.104 R)
• M10: 3,268,265 km (0.112 R)
• M11: 3,831,052 km (0.099 R)
• M12: 4,095,990 km (0.091 R)
• M13: 5,728,850 km (0.114 R)
• M14: 7,227,073 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.9

Radius: 13.9

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.31 AU - 1.47 AU

Year: 1112 Days

Day: 13.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,408,930 km

• M1: 172,935 km (0.095 R)
• M2: 860,038 km (0.107 R)
• M3: 1,327,831 km (0.115 R)
• M4: 1,979,479 km (0.049 R)
• M5: 2,439,044 km (0.04 R)
• M6: 3,043,868 km (0.082 R)
• M7: 3,995,610 km (0.067 R)
• M8: 4,493,022 km (0.076 R)
• M9: 5,980,025 km (0.076 R)
• M10: 6,697,347 km (0.074 R)
• M11: 7,380,112 km (0.096 R)
• M12: 7,988,227 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.2

Radius: 10

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.49 AU - 3.15 AU

Year: 3212 Days

Day: 7 Hours

Environment

Temp: -204 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,408,930 km

• M1: 124,316 km (0.071 R)
• M2: 459,116 km (0.111 R)
• M3: 898,784 km (0.106 R)
• M4: 1,319,154 km (0.104 R)
• M5: 1,785,451 km (0.08 R)
• M6: 2,218,985 km (0.119 R)
• M7: 2,643,544 km (0.076 R)
• M8: 3,835,689 km (0.037 R)
• M9: 4,747,189 km (0.117 R)
• M10: 5,105,775 km (0.058 R)
• M11: 5,456,732 km (0.118 R)
• M12: 5,850,474 km (0.082 R)
• M13: 7,749,170 km (0.059 R)
• M14: 8,112,693 km (0.082 R)
• M15: 10,026,947 km (0.045 R)
• M16: 10,862,750 km (0.072 R)
• M17: 11,234,950 km (0.118 R)
• M18: 14,877,209 km (0.066 R)
• M19: 15,439,996 km (0.053 R)
• M20: 17,157,978 km (0.065 R)
• M21: 18,063,344 km (0.034 R)
• M22: 18,762,864 km (0.088 R)
• M23: 19,723,731 km (0.047 R)
• M24: 20,970,330 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.5

Radius: 11.1

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.82 AU - 6.14 AU

Year: 7538 Days

Day: 14 Hours

Environment

Temp: -228 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,408,930 km

• M1: 140,622 km (0.093 R)
• M2: 543,489 km (0.065 R)
• M3: 1,054,216 km (0.079 R)
• M4: 3,180,600 km (0.097 R)
• M5: 3,548,461 km (0.083 R)
• M6: 4,178,119 km (0.084 R)
• M7: 4,749,732 km (0.04 R)
• M8: 7,681,252 km (0.092 R)
• M9: 8,735,768 km (0.095 R)
• M10: 10,362,196 km (0.114 R)
• M11: 14,983,723 km (0.11 R)
• M12: 16,992,074 km (0.116 R)
• M13: 20,124,504 km (0.081 R)
• M14: 26,581,597 km (0.085 R)
• M15: 28,627,946 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 788.1

Radius: 3.4

Gravity: 68.17 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 5.89 AU - 5.93 AU

Year: 9745 Days

Day: 23.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 77,408,930 km

• M1: 44,281 km (0.119 R)
• M2: 195,824 km (0.078 R)
• M3: 375,341 km (0.077 R)
• M4: 518,955 km (0.115 R)
• M5: 889,359 km (0.103 R)
• M6: 1,045,839 km (0.052 R)
• M7: 1,387,371 km (0.082 R)
• M8: 2,193,554 km (0.118 R)
• M9: 2,770,253 km (0.101 R)
• M10: 2,901,301 km (0.037 R)
• M11: 3,128,690 km (0.12 R)
• M12: 3,802,179 km (0.088 R)
• M13: 4,359,731 km (0.065 R)
• M14: 6,208,012 km (0.083 R)
• M15: 6,508,704 km (0.099 R)
• M16: 7,723,289 km (0.089 R)
• M17: 8,986,045 km (0.073 R)
• M18: 10,276,177 km (0.106 R)
• M19: 11,238,241 km (0.072 R)
• M20: 12,851,803 km (0.09 R)
• M21: 14,811,236 km (0.108 R)
• M22: 15,965,982 km (0.067 R)
• M23: 17,622,031 km (0.067 R)
• M24: 24,177,559 km (0.111 R)
• M25: 24,733,016 km (0.043 R)
• M26: 26,646,223 km (0.071 R)
• M27: 26,941,529 km (0.055 R)
• M28: 29,487,087 km (0.063 R)
• M29: 29,803,037 km (0.078 R)
• M30: 33,200,106 km (0.078 R)
• M31: 33,771,121 km (0.076 R)
• M32: 39,207,956 km (0.101 R)
• M33: 42,600,537 km (0.094 R)
• M34: 47,613,412 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 97

Radius: 7.4

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 6.76 AU - 8.14 AU

Year: 13792 Days

Day: 15.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 77,408,930 km

• M1: 94,995 km (0.062 R)
• M2: 425,157 km (0.097 R)
• M3: 1,191,098 km (0.113 R)
• M4: 2,282,116 km (0.039 R)
• M5: 2,703,234 km (0.09 R)
• M6: 3,155,318 km (0.117 R)
• M7: 3,591,396 km (0.049 R)
• M8: 3,926,944 km (0.1 R)
• M9: 5,368,320 km (0.09 R)
• M10: 6,207,863 km (0.062 R)
• M11: 7,166,636 km (0.112 R)
• M12: 8,145,006 km (0.106 R)
• M13: 9,168,554 km (0.11 R)
• M14: 9,711,295 km (0.072 R)
• M15: 13,060,792 km (0.115 R)
• M16: 13,855,605 km (0.071 R)
• M17: 14,794,930 km (0.12 R)
• M18: 15,251,503 km (0.105 R)
• M19: 15,541,424 km (0.11 R)
• M20: 16,312,750 km (0.052 R)
• M21: 22,144,823 km (0.039 R)
• M22: 22,591,822 km (0.097 R)
• M23: 23,197,244 km (0.092 R)
• M24: 24,678,114 km (0.063 R)
• M25: 25,078,138 km (0.045 R)
• M26: 25,973,332 km (0.1 R)
• M27: 27,483,822 km (0.051 R)
• M28: 29,767,882 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 577.3

Radius: 5.6

Gravity: 18.41 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 8.44 AU - 12.12 AU

Year: 22355 Days

Day: 15.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,408,930 km

• M1: 70,311 km (0.071 R)
• M2: 442,959 km (0.118 R)
• M3: 634,295 km (0.117 R)
• M4: 1,278,015 km (0.105 R)
• M5: 2,464,027 km (0.109 R)
• M6: 3,357,275 km (0.098 R)
• M7: 4,083,124 km (0.096 R)
• M8: 5,283,797 km (0.095 R)
• M9: 7,117,119 km (0.051 R)
• M10: 8,622,821 km (0.06 R)
• M11: 9,506,945 km (0.115 R)
• M12: 13,871,163 km (0.092 R)
• M13: 15,553,092 km (0.03 R)
• M14: 24,280,482 km (0.112 R)
• M15: 24,495,006 km (0.11 R)
• M16: 32,048,950 km (0.109 R)
• M17: 37,768,226 km (0.047 R)
• M18: 52,594,722 km (0.06 R)
• M19: 71,752,225 km (0.079 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 314 - 19,612 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit