🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.4

Radius: 8.3

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.51 AU - 0.59 AU

Year: 282 Days

Day: 14.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 91,424,797 km

• M1: 103,372 km (0.036 R)
• M2: 370,704 km (0.076 R)
• M3: 634,145 km (0.079 R)
• M4: 913,295 km (0.041 R)
• M5: 1,357,900 km (0.104 R)
• M6: 1,905,578 km (0.116 R)
• M7: 2,619,459 km (0.06 R)
• M8: 2,950,968 km (0.057 R)
• M9: 3,289,508 km (0.103 R)
• M10: 3,698,508 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.1

Radius: 12.8

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.75 AU - 0.79 AU

Year: 466 Days

Day: 13.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 91,424,797 km

• M1: 159,771 km (0.096 R)
• M2: 601,982 km (0.042 R)
• M3: 1,026,241 km (0.088 R)
• M4: 1,486,853 km (0.108 R)
• M5: 2,007,155 km (0.091 R)
• M6: 2,478,089 km (0.112 R)
• M7: 2,900,404 km (0.059 R)
• M8: 3,350,544 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.8

Radius: 9.9

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.13 AU - 1.77 AU

Year: 1205 Days

Day: 13.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 91,424,797 km

• M1: 123,119 km (0.096 R)
• M2: 473,627 km (0.12 R)
• M3: 854,054 km (0.108 R)
• M4: 1,222,364 km (0.104 R)
• M5: 2,360,056 km (0.093 R)
• M6: 2,682,589 km (0.117 R)
• M7: 3,537,242 km (0.029 R)
• M8: 4,011,467 km (0.078 R)
• M9: 5,126,869 km (0.12 R)
• M10: 5,756,676 km (0.097 R)
• M11: 6,189,911 km (0.075 R)
• M12: 6,714,850 km (0.097 R)
• M13: 7,121,756 km (0.087 R)
• M14: 8,747,137 km (0.086 R)
• M15: 9,467,750 km (0.115 R)
• M16: 10,994,696 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.5

Radius: 12.5

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.27 AU - 1.95 AU

Year: 1410 Days

Day: 10.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 91,424,797 km

• M1: 156,330 km (0.057 R)
• M2: 578,046 km (0.111 R)
• M3: 992,133 km (0.112 R)
• M4: 1,440,777 km (0.039 R)
• M5: 1,978,432 km (0.04 R)
• M6: 2,487,214 km (0.106 R)
• M7: 3,109,093 km (0.071 R)
• M8: 3,507,621 km (0.111 R)
• M9: 4,145,955 km (0.064 R)
• M10: 4,579,041 km (0.046 R)
• M11: 5,478,424 km (0.111 R)
• M12: 6,405,033 km (0.029 R)
• M13: 7,725,234 km (0.116 R)
• M14: 8,542,038 km (0.071 R)
• M15: 9,528,786 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.8

Radius: 14.6

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.66 AU - 2.6 AU

Year: 2146 Days

Day: 9 Hours

Environment

Temp: -201 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 91,424,797 km

• M1: 181,612 km (0.09 R)
• M2: 644,468 km (0.105 R)
• M3: 1,240,017 km (0.09 R)
• M4: 1,752,689 km (0.119 R)
• M5: 2,342,852 km (0.111 R)
• M6: 3,144,846 km (0.087 R)
• M7: 4,339,236 km (0.079 R)
• M8: 5,494,131 km (0.088 R)
• M9: 5,963,869 km (0.091 R)
• M10: 6,527,254 km (0.114 R)
• M11: 9,230,787 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.2

Radius: 10.2

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.51 AU - 2.85 AU

Year: 3028 Days

Day: 6.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 91,424,797 km

• M1: 126,859 km (0.054 R)
• M2: 939,475 km (0.116 R)
• M3: 3,424,594 km (0.089 R)
• M4: 4,516,061 km (0.093 R)
• M5: 4,968,145 km (0.071 R)
• M6: 7,468,823 km (0.084 R)
• M7: 8,034,154 km (0.047 R)
• M8: 8,917,230 km (0.086 R)
• M9: 11,955,712 km (0.12 R)
• M10: 12,452,826 km (0.114 R)
• M11: 14,581,005 km (0.115 R)
• M12: 19,544,663 km (0.093 R)
• M13: 20,618,476 km (0.111 R)
• M14: 22,336,308 km (0.115 R)
• M15: 22,677,242 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 795.6

Radius: 5.4

Gravity: 27.28 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 5.18 AU - 6.8 AU

Year: 10119 Days

Day: 20.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 91,424,797 km

• M1: 67,169 km (0.11 R)
• M2: 290,818 km (0.101 R)
• M3: 878,738 km (0.101 R)
• M4: 1,065,436 km (0.099 R)
• M5: 1,304,045 km (0.116 R)
• M6: 1,939,985 km (0.072 R)
• M7: 3,122,257 km (0.032 R)
• M8: 3,461,396 km (0.05 R)
• M9: 3,771,362 km (0.081 R)
• M10: 4,566,625 km (0.068 R)
• M11: 5,676,192 km (0.093 R)
• M12: 6,874,321 km (0.093 R)
• M13: 7,575,187 km (0.085 R)
• M14: 7,833,543 km (0.066 R)
• M15: 8,878,933 km (0.108 R)
• M16: 9,810,030 km (0.101 R)
• M17: 10,483,520 km (0.084 R)
• M18: 16,084,913 km (0.075 R)
• M19: 16,512,015 km (0.117 R)
• M20: 18,219,674 km (0.074 R)
• M21: 19,878,415 km (0.119 R)
• M22: 20,205,436 km (0.08 R)
• M23: 25,840,489 km (0.12 R)
• M24: 26,426,165 km (0.088 R)
• M25: 29,171,884 km (0.076 R)
• M26: 32,102,057 km (0.061 R)
• M27: 37,784,832 km (0.103 R)
• M28: 38,539,254 km (0.063 R)
• M29: 46,930,946 km (0.118 R)
• M30: 47,802,354 km (0.117 R)
• M31: 48,832,635 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 869.2

Radius: 5.4

Gravity: 29.81 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 8.42 AU - 12.52 AU

Year: 23385 Days

Day: 15.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 91,424,797 km

• M1: 68,965 km (0.085 R)
• M2: 237,113 km (0.083 R)
• M3: 484,996 km (0.046 R)
• M4: 1,298,809 km (0.083 R)
• M5: 1,494,632 km (0.115 R)
• M6: 3,232,361 km (0.08 R)
• M7: 3,563,720 km (0.104 R)
• M8: 3,950,581 km (0.102 R)
• M9: 4,258,902 km (0.084 R)
• M10: 4,509,628 km (0.119 R)
• M11: 4,923,416 km (0.103 R)
• M12: 6,644,090 km (0.097 R)
• M13: 6,884,195 km (0.094 R)
• M14: 7,743,784 km (0.039 R)
• M15: 10,554,279 km (0.112 R)
• M16: 11,624,503 km (0.113 R)
• M17: 12,765,186 km (0.057 R)
• M18: 17,525,839 km (0.106 R)
• M19: 18,170,157 km (0.091 R)
• M20: 18,925,627 km (0.11 R)
• M21: 21,008,179 km (0.109 R)
• M22: 21,317,697 km (0.119 R)
• M23: 23,129,177 km (0.079 R)
• M24: 28,919,812 km (0.093 R)
• M25: 34,594,208 km (0.12 R)
• M26: 37,388,397 km (0.114 R)
• M27: 38,763,052 km (0.074 R)
• M28: 58,785,979 km (0.071 R)
• M29: 60,850,879 km (0.104 R)
• M30: 61,060,017 km (0.069 R)
• M31: 65,343,752 km (0.06 R)
• M32: 67,111,849 km (0.063 R)
• M33: 68,684,870 km (0.069 R)
• M34: 70,743,337 km (0.077 R)
• M35: 71,904,516 km (0.113 R)
• M36: 76,676,239 km (0.111 R)
• M37: 80,642,228 km (0.118 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 14,751 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit