🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.5

Radius: 9

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.68 AU - 0.74 AU

Year: 386 Days

Day: 7.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,035,341 km

• M1: 111,899 km (0.119 R)
• M2: 428,000 km (0.101 R)
• M3: 773,571 km (0.119 R)
• M4: 1,410,259 km (0.115 R)
• M5: 1,892,114 km (0.112 R)
• M6: 3,526,620 km (0.098 R)
• M7: 4,598,788 km (0.11 R)
• M8: 5,065,683 km (0.027 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.2

Radius: 12.5

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.03 AU - 1.15 AU

Year: 735 Days

Day: 11.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,035,341 km

• M1: 155,432 km (0.063 R)
• M2: 610,060 km (0.094 R)
• M3: 1,397,693 km (0.074 R)
• M4: 1,817,465 km (0.083 R)
• M5: 2,693,210 km (0.084 R)
• M6: 3,186,135 km (0.116 R)
• M7: 3,633,732 km (0.101 R)
• M8: 4,151,939 km (0.09 R)
• M9: 4,734,922 km (0.119 R)
• M10: 5,371,910 km (0.056 R)
• M11: 6,158,496 km (0.093 R)
• M12: 6,560,315 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.3

Radius: 9.2

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.12 AU - 1.5 AU

Year: 968 Days

Day: 13.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,035,341 km

• M1: 178,470 km (0.032 R)
• M2: 499,058 km (0.061 R)
• M3: 1,193,342 km (0.116 R)
• M4: 1,599,650 km (0.049 R)
• M5: 2,330,136 km (0.064 R)
• M6: 2,870,185 km (0.042 R)
• M7: 3,549,209 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.1

Radius: 10.3

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.13 AU - 1.51 AU

Year: 979 Days

Day: 7.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,035,341 km

• M1: 128,056 km (0.115 R)
• M2: 488,886 km (0.118 R)
• M3: 957,127 km (0.065 R)
• M4: 1,319,154 km (0.039 R)
• M5: 1,670,111 km (0.112 R)
• M6: 2,065,947 km (0.069 R)
• M7: 2,608,688 km (0.111 R)
• M8: 3,013,948 km (0.1 R)
• M9: 3,783,330 km (0.031 R)
• M10: 4,170,041 km (0.115 R)
• M11: 4,923,116 km (0.059 R)
• M12: 5,402,877 km (0.053 R)
• M13: 6,376,759 km (0.103 R)
• M14: 6,698,843 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.7

Radius: 10.9

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.18 AU - 1.48 AU

Year: 990 Days

Day: 13.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,035,341 km

• M1: 135,536 km (0.116 R)
• M2: 760,107 km (0.109 R)
• M3: 1,105,379 km (0.107 R)
• M4: 1,452,595 km (0.057 R)
• M5: 2,157,052 km (0.106 R)
• M6: 2,588,043 km (0.102 R)
• M7: 3,430,728 km (0.079 R)
• M8: 4,273,413 km (0.084 R)
• M9: 4,921,022 km (0.117 R)
• M10: 5,778,966 km (0.103 R)
• M11: 6,254,986 km (0.11 R)
• M12: 6,922,342 km (0.105 R)
• M13: 7,335,232 km (0.06 R)
• M14: 8,318,240 km (0.061 R)
• M15: 9,742,412 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.4

Radius: 12

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.23 AU - 1.57 AU

Year: 1070 Days

Day: 13.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,035,341 km

• M1: 149,299 km (0.05 R)
• M2: 531,820 km (0.083 R)
• M3: 1,027,887 km (0.072 R)
• M4: 1,698,684 km (0.059 R)
• M5: 2,358,111 km (0.107 R)
• M6: 3,209,622 km (0.089 R)
• M7: 3,729,924 km (0.101 R)
• M8: 4,173,033 km (0.114 R)
• M9: 4,669,099 km (0.114 R)
• M10: 6,051,832 km (0.088 R)
• M11: 7,059,823 km (0.065 R)
• M12: 8,900,924 km (0.074 R)
• M13: 9,932,850 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219

Radius: 8.6

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.75 AU - 4.13 AU

Year: 5050 Days

Day: 5.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,035,341 km

• M1: 106,962 km (0.096 R)
• M2: 863,629 km (0.096 R)
• M3: 2,393,716 km (0.075 R)
• M4: 2,947,676 km (0.114 R)
• M5: 3,976,611 km (0.074 R)
• M6: 4,617,937 km (0.1 R)
• M7: 4,987,294 km (0.097 R)
• M8: 5,707,009 km (0.049 R)
• M9: 6,132,914 km (0.098 R)
• M10: 6,437,795 km (0.101 R)
• M11: 7,445,037 km (0.114 R)
• M12: 11,095,524 km (0.064 R)
• M13: 12,101,421 km (0.098 R)
• M14: 14,006,400 km (0.107 R)
• M15: 16,050,804 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.6

Radius: 13.8

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 4.46 AU - 4.6 AU

Year: 6225 Days

Day: 7 Hours

Environment

Temp: -213 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,035,341 km

• M1: 173,982 km (0.084 R)
• M2: 1,681,330 km (0.1 R)
• M3: 2,541,967 km (0.089 R)
• M4: 3,153,673 km (0.097 R)
• M5: 3,893,883 km (0.112 R)
• M6: 4,729,387 km (0.047 R)
• M7: 5,402,578 km (0.109 R)
• M8: 6,487,461 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 739.4

Radius: 3.1

Gravity: 76.94 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.65 AU - 9.27 AU

Year: 13156 Days

Day: 20.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 59,035,341 km

• M1: 38,596 km (0.099 R)
• M2: 159,471 km (0.08 R)
• M3: 308,471 km (0.047 R)
• M4: 600,635 km (0.086 R)
• M5: 1,087,427 km (0.081 R)
• M6: 1,225,805 km (0.098 R)
• M7: 1,553,125 km (0.076 R)
• M8: 1,865,037 km (0.069 R)
• M9: 2,217,040 km (0.104 R)
• M10: 4,567,522 km (0.081 R)
• M11: 4,861,332 km (0.09 R)
• M12: 5,098,445 km (0.072 R)
• M13: 5,237,421 km (0.076 R)
• M14: 5,706,560 km (0.073 R)
• M15: 6,163,731 km (0.108 R)
• M16: 6,401,293 km (0.09 R)
• M17: 8,821,786 km (0.103 R)
• M18: 13,298,353 km (0.088 R)
• M19: 14,235,584 km (0.068 R)
• M20: 15,504,174 km (0.068 R)
• M21: 15,649,583 km (0.108 R)
• M22: 15,796,039 km (0.035 R)
• M23: 15,943,243 km (0.103 R)
• M24: 17,388,359 km (0.096 R)
• M25: 17,942,021 km (0.092 R)
• M26: 19,843,858 km (0.087 R)
• M27: 20,799,340 km (0.103 R)
• M28: 21,154,186 km (0.087 R)
• M29: 21,603,429 km (0.068 R)
• M30: 21,875,996 km (0.112 R)
• M31: 28,468,475 km (0.11 R)
• M32: 29,236,809 km (0.094 R)
• M33: 30,131,704 km (0.103 R)
• M34: 34,881,436 km (0.085 R)
• M35: 35,508,102 km (0.072 R)
• M36: 42,904,071 km (0.102 R)
• M37: 44,204,376 km (0.115 R)
• M38: 44,496,839 km (0.102 R)
• M39: 45,382,010 km (0.077 R)
• M40: 47,035,216 km (0.071 R)
• M41: 50,780,848 km (0.11 R)
• M42: 55,396,092 km (0.044 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 10,919 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit