🌌 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: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360

Radius: 9.5

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.53 AU - 0.69 AU

Year: 323 Days

Day: 12 Hours

Environment

Temp: -150 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,034,519 km

• M1: 118,182 km (0.046 R)
• M2: 431,440 km (0.112 R)
• M3: 804,687 km (0.041 R)
• M4: 1,182,870 km (0.106 R)
• M5: 1,822,102 km (0.057 R)
• M6: 2,224,371 km (0.115 R)
• M7: 2,539,125 km (0.068 R)
• M8: 3,299,680 km (0.11 R)
• M9: 3,624,308 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.5

Radius: 13.6

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.95 AU - 1.35 AU

Year: 836 Days

Day: 14.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,034,519 km

• M1: 169,195 km (0.113 R)
• M2: 673,041 km (0.093 R)
• M3: 1,343,389 km (0.101 R)
• M4: 2,854,178 km (0.074 R)
• M5: 3,985,586 km (0.06 R)
• M6: 4,757,960 km (0.069 R)
• M7: 5,462,417 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.4

Radius: 13.6

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.3 AU - 2.98 AU

Year: 2909 Days

Day: 14.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,034,519 km

• M1: 170,990 km (0.11 R)
• M2: 947,104 km (0.077 R)
• M3: 1,433,746 km (0.119 R)
• M4: 2,267,156 km (0.027 R)
• M5: 2,697,549 km (0.06 R)
• M6: 3,369,393 km (0.025 R)
• M7: 4,758,708 km (0.059 R)
• M8: 5,744,109 km (0.056 R)
• M9: 6,665,782 km (0.11 R)
• M10: 7,147,786 km (0.104 R)
• M11: 7,930,333 km (0.108 R)
• M12: 9,210,591 km (0.058 R)
• M13: 10,211,700 km (0.092 R)
• M14: 11,563,616 km (0.084 R)
• M15: 14,386,079 km (0.108 R)
• M16: 14,953,504 km (0.087 R)
• M17: 17,268,082 km (0.077 R)
• M18: 18,290,434 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.9

Radius: 13

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.48 AU - 3.32 AU

Year: 3350 Days

Day: 13.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,034,519 km

• M1: 162,164 km (0.07 R)
• M2: 860,337 km (0.104 R)
• M3: 1,817,764 km (0.106 R)
• M4: 2,623,647 km (0.113 R)
• M5: 4,920,872 km (0.113 R)
• M6: 5,558,758 km (0.096 R)
• M7: 7,339,421 km (0.038 R)
• M8: 9,237,070 km (0.113 R)
• M9: 9,784,898 km (0.059 R)
• M10: 14,702,928 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.5

Radius: 11.6

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.12 AU - 4.64 AU

Year: 5184 Days

Day: 11.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,034,519 km

• M1: 144,362 km (0.116 R)
• M2: 548,575 km (0.098 R)
• M3: 1,080,695 km (0.116 R)
• M4: 2,347,639 km (0.065 R)
• M5: 2,802,118 km (0.101 R)
• M6: 3,729,325 km (0.085 R)
• M7: 4,479,708 km (0.08 R)
• M8: 5,961,625 km (0.079 R)
• M9: 6,988,016 km (0.114 R)
• M10: 7,525,371 km (0.086 R)
• M11: 9,431,996 km (0.111 R)
• M12: 9,866,578 km (0.118 R)
• M13: 10,314,474 km (0.108 R)
• M14: 11,890,039 km (0.112 R)
• M15: 13,402,174 km (0.076 R)
• M16: 13,841,094 km (0.102 R)
• M17: 20,527,670 km (0.11 R)
• M18: 21,259,054 km (0.096 R)
• M19: 22,083,488 km (0.076 R)
• M20: 24,197,755 km (0.107 R)
• M21: 24,685,294 km (0.114 R)
• M22: 27,134,810 km (0.113 R)
• M23: 31,538,373 km (0.109 R)
• M24: 32,218,145 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.6

Radius: 10.8

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.88 AU - 4.12 AU

Year: 5426 Days

Day: 9.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,034,519 km

• M1: 150,944 km (0.11 R)
• M2: 502,649 km (0.108 R)
• M3: 948,750 km (0.096 R)
• M4: 1,562,400 km (0.085 R)
• M5: 2,047,696 km (0.051 R)
• M6: 3,851,547 km (0.095 R)
• M7: 4,677,177 km (0.113 R)
• M8: 5,364,729 km (0.113 R)
• M9: 6,091,177 km (0.1 R)
• M10: 6,852,480 km (0.115 R)
• M11: 7,271,653 km (0.111 R)
• M12: 9,593,562 km (0.056 R)
• M13: 10,742,773 km (0.11 R)
• M14: 15,238,937 km (0.045 R)
• M15: 15,903,002 km (0.115 R)
• M16: 18,011,284 km (0.051 R)
• M17: 18,753,739 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739

Radius: 11.7

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 3.44 AU - 5.24 AU

Year: 6132 Days

Day: 6.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 51,034,519 km

• M1: 145,559 km (0.086 R)
• M2: 564,283 km (0.063 R)
• M3: 1,347,428 km (0.095 R)
• M4: 1,794,277 km (0.081 R)
• M5: 2,458,491 km (0.103 R)
• M6: 3,630,292 km (0.067 R)
• M7: 4,303,033 km (0.098 R)
• M8: 4,778,306 km (0.067 R)
• M9: 5,288,434 km (0.098 R)
• M10: 6,025,054 km (0.098 R)
• M11: 6,793,838 km (0.116 R)
• M12: 7,220,341 km (0.118 R)
• M13: 7,626,948 km (0.092 R)
• M14: 8,486,538 km (0.085 R)
• M15: 9,628,119 km (0.035 R)
• M16: 10,121,642 km (0.114 R)
• M17: 11,355,526 km (0.11 R)
• M18: 14,177,241 km (0.086 R)
• M19: 15,233,701 km (0.031 R)
• M20: 15,904,647 km (0.08 R)
• M21: 17,701,467 km (0.109 R)
• M22: 19,487,965 km (0.108 R)
• M23: 20,645,254 km (0.112 R)
• M24: 22,780,165 km (0.055 R)
• M25: 23,738,639 km (0.119 R)
• M26: 25,395,585 km (0.104 R)
• M27: 26,513,231 km (0.094 R)
• M28: 28,662,204 km (0.113 R)
• M29: 31,606,739 km (0.094 R)
• M30: 32,598,124 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 925.9

Radius: 4.4

Gravity: 47.83 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 5.4 AU - 6.18 AU

Year: 9450 Days

Day: 24.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 51,034,519 km

• M1: 62,682 km (0.09 R)
• M2: 210,185 km (0.106 R)
• M3: 444,455 km (0.081 R)
• M4: 777,161 km (0.048 R)
• M5: 950,694 km (0.092 R)
• M6: 1,103,434 km (0.083 R)
• M7: 1,487,003 km (0.109 R)
• M8: 1,709,604 km (0.108 R)
• M9: 2,963,983 km (0.054 R)
• M10: 3,149,185 km (0.106 R)
• M11: 4,051,709 km (0.073 R)
• M12: 4,486,889 km (0.077 R)
• M13: 4,825,279 km (0.112 R)
• M14: 5,552,923 km (0.074 R)
• M15: 6,052,431 km (0.109 R)
• M16: 8,911,994 km (0.088 R)
• M17: 9,200,867 km (0.101 R)
• M18: 9,446,208 km (0.098 R)
• M19: 10,524,958 km (0.116 R)
• M20: 11,344,007 km (0.105 R)
• M21: 12,204,643 km (0.043 R)
• M22: 13,481,461 km (0.025 R)
• M23: 16,584,570 km (0.035 R)
• M24: 18,845,891 km (0.069 R)
• M25: 19,886,793 km (0.116 R)
• M26: 20,796,797 km (0.045 R)
• M27: 22,345,434 km (0.109 R)
• M28: 23,419,547 km (0.103 R)
• M29: 23,969,169 km (0.083 R)
• M30: 26,947,214 km (0.11 R)
• M31: 27,753,995 km (0.11 R)
• M32: 28,163,295 km (0.083 R)
• M33: 37,467,236 km (0.119 R)
• M34: 43,350,770 km (0.031 R)
• M35: 45,440,802 km (0.108 R)
• M36: 47,160,579 km (0.1 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: 360 - 19,512 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit