🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.9

Radius: 14.3

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.49 AU - 0.71 AU

Year: 321 Days

Day: 11.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,761,482 km

• M1: 177,872 km (0.097 R)
• M2: 652,097 km (0.088 R)
• M3: 1,291,179 km (0.091 R)
• M4: 1,795,773 km (0.11 R)
• M5: 2,390,724 km (0.065 R)
• M6: 2,865,398 km (0.103 R)
• M7: 3,381,510 km (0.077 R)
• M8: 3,996,657 km (0.12 R)
• M9: 4,550,019 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.6

Radius: 8.3

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.96 AU - 1.42 AU

Year: 896 Days

Day: 9.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,761,482 km

• M1: 103,821 km (0.056 R)
• M2: 419,323 km (0.053 R)
• M3: 751,430 km (0.032 R)
• M4: 1,445,415 km (0.094 R)
• M5: 1,706,463 km (0.085 R)
• M6: 2,008,501 km (0.067 R)
• M7: 2,699,344 km (0.094 R)
• M8: 3,199,749 km (0.096 R)
• M9: 4,139,672 km (0.103 R)
• M10: 4,448,442 km (0.069 R)
• M11: 4,739,560 km (0.11 R)
• M12: 5,164,866 km (0.086 R)
• M13: 5,486,652 km (0.037 R)
• M14: 5,917,493 km (0.111 R)
• M15: 6,350,430 km (0.037 R)
• M16: 6,720,236 km (0.119 R)
• M17: 7,458,052 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.3

Radius: 14.2

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.63 AU - 2.63 AU

Year: 2146 Days

Day: 7.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,761,482 km

• M1: 186,848 km (0.095 R)
• M2: 746,045 km (0.093 R)
• M3: 1,275,023 km (0.066 R)
• M4: 2,047,845 km (0.089 R)
• M5: 3,286,516 km (0.035 R)
• M6: 4,651,746 km (0.105 R)
• M7: 5,254,625 km (0.049 R)
• M8: 6,342,800 km (0.098 R)
• M9: 6,849,339 km (0.073 R)
• M10: 8,564,179 km (0.106 R)
• M11: 9,376,346 km (0.08 R)
• M12: 12,162,307 km (0.102 R)
• M13: 13,723,809 km (0.088 R)
• M14: 14,187,413 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.3

Radius: 13.7

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.14 AU - 2.18 AU

Year: 2191 Days

Day: 8.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,761,482 km

• M1: 174,132 km (0.059 R)
• M2: 792,869 km (0.097 R)
• M3: 1,330,972 km (0.111 R)
• M4: 1,905,727 km (0.064 R)
• M5: 2,424,533 km (0.063 R)
• M6: 2,864,350 km (0.063 R)
• M7: 3,502,535 km (0.095 R)
• M8: 5,002,852 km (0.086 R)
• M9: 6,098,806 km (0.082 R)
• M10: 6,539,521 km (0.067 R)
• M11: 6,975,450 km (0.114 R)
• M12: 8,194,822 km (0.087 R)
• M13: 8,763,593 km (0.078 R)
• M14: 9,262,801 km (0.1 R)
• M15: 9,880,341 km (0.074 R)
• M16: 11,234,202 km (0.091 R)
• M17: 12,088,705 km (0.107 R)
• M18: 12,590,606 km (0.119 R)
• M19: 13,186,903 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151

Radius: 11.1

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.89 AU - 2.85 AU

Year: 2518 Days

Day: 7.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,761,482 km

• M1: 138,378 km (0.068 R)
• M2: 901,626 km (0.109 R)
• M3: 1,270,385 km (0.06 R)
• M4: 1,678,339 km (0.097 R)
• M5: 2,590,138 km (0.101 R)
• M6: 3,448,081 km (0.111 R)
• M7: 3,918,866 km (0.107 R)
• M8: 5,979,576 km (0.108 R)
• M9: 6,337,265 km (0.076 R)
• M10: 7,294,243 km (0.053 R)
• M11: 7,833,992 km (0.034 R)
• M12: 8,993,375 km (0.111 R)
• M13: 9,554,068 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.5

Radius: 10.5

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 4.02 AU - 4.76 AU

Year: 6349 Days

Day: 10.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,761,482 km

• M1: 146,905 km (0.096 R)
• M2: 1,359,097 km (0.11 R)
• M3: 1,728,304 km (0.117 R)
• M4: 2,258,329 km (0.102 R)
• M5: 2,824,109 km (0.111 R)
• M6: 4,658,328 km (0.111 R)
• M7: 5,337,502 km (0.041 R)
• M8: 7,554,543 km (0.091 R)
• M9: 7,999,746 km (0.054 R)
• M10: 8,882,074 km (0.034 R)
• M11: 9,284,044 km (0.047 R)
• M12: 12,678,270 km (0.095 R)
• M13: 13,753,131 km (0.042 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 982.1

Radius: 5.9

Gravity: 28.21 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 6.65 AU - 10.67 AU

Year: 17591 Days

Day: 23.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 78,761,482 km

• M1: 73,453 km (0.092 R)
• M2: 547,678 km (0.072 R)
• M3: 812,616 km (0.096 R)
• M4: 1,202,468 km (0.059 R)
• M5: 2,978,942 km (0.104 R)
• M6: 3,447,184 km (0.118 R)
• M7: 5,496,675 km (0.039 R)
• M8: 6,505,862 km (0.089 R)
• M9: 6,730,707 km (0.047 R)
• M10: 7,339,870 km (0.107 R)
• M11: 7,583,714 km (0.114 R)
• M12: 8,347,711 km (0.092 R)
• M13: 9,502,008 km (0.108 R)
• M14: 12,811,262 km (0.104 R)
• M15: 13,598,297 km (0.052 R)
• M16: 14,265,803 km (0.082 R)
• M17: 17,412,145 km (0.082 R)
• M18: 18,736,385 km (0.09 R)
• M19: 21,782,946 km (0.079 R)
• M20: 22,388,817 km (0.113 R)
• M21: 28,835,887 km (0.057 R)
• M22: 31,190,408 km (0.033 R)
• M23: 35,578,862 km (0.096 R)
• M24: 36,559,924 km (0.041 R)
• M25: 38,869,716 km (0.08 R)
• M26: 44,903,746 km (0.083 R)
• M27: 65,222,128 km (0.068 R)
• M28: 71,225,641 km (0.077 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 15,835 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit