🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.6

Radius: 9.9

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.96 AU - 1.52 AU

Year: 892 Days

Day: 9.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,957,851 km

• M1: 123,119 km (0.119 R)
• M2: 524,041 km (0.039 R)
• M3: 845,677 km (0.067 R)
• M4: 1,611,319 km (0.091 R)
• M5: 2,055,176 km (0.063 R)
• M6: 2,406,731 km (0.11 R)
• M7: 3,123,304 km (0.076 R)
• M8: 3,881,018 km (0.079 R)
• M9: 4,685,106 km (0.038 R)
• M10: 5,126,869 km (0.077 R)
• M11: 6,051,533 km (0.086 R)
• M12: 6,531,443 km (0.025 R)
• M13: 6,896,163 km (0.057 R)
• M14: 7,226,624 km (0.089 R)
• M15: 8,440,461 km (0.056 R)
• M16: 8,764,042 km (0.116 R)
• M17: 9,152,099 km (0.074 R)
• M18: 9,933,149 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.7

Radius: 11.3

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.23 AU - 1.43 AU

Year: 990 Days

Day: 10.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,957,851 km

• M1: 140,622 km (0.078 R)
• M2: 543,788 km (0.112 R)
• M3: 1,287,589 km (0.109 R)
• M4: 2,086,292 km (0.096 R)
• M5: 2,537,329 km (0.118 R)
• M6: 3,463,640 km (0.113 R)
• M7: 5,868,724 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.2

Radius: 13.7

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.06 AU - 1.66 AU

Year: 1024 Days

Day: 11.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,957,851 km

• M1: 170,392 km (0.109 R)
• M2: 640,279 km (0.099 R)
• M3: 1,072,168 km (0.105 R)
• M4: 1,774,530 km (0.062 R)
• M5: 2,608,239 km (0.067 R)
• M6: 3,116,124 km (0.069 R)
• M7: 4,094,494 km (0.059 R)
• M8: 4,601,182 km (0.089 R)
• M9: 5,470,794 km (0.058 R)
• M10: 6,310,786 km (0.099 R)
• M11: 7,160,951 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.1

Radius: 12.5

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.95 AU - 3.15 AU

Year: 3439 Days

Day: 7.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,957,851 km

• M1: 155,582 km (0.119 R)
• M2: 750,682 km (0.102 R)
• M3: 1,177,186 km (0.108 R)
• M4: 1,594,265 km (0.034 R)
• M5: 2,047,696 km (0.099 R)
• M6: 3,100,117 km (0.114 R)
• M7: 3,491,465 km (0.096 R)
• M8: 5,761,313 km (0.108 R)
• M9: 6,875,817 km (0.082 R)
• M10: 8,262,290 km (0.06 R)
• M11: 9,164,814 km (0.113 R)
• M12: 12,356,934 km (0.051 R)
• M13: 13,583,636 km (0.119 R)
• M14: 14,010,289 km (0.108 R)
• M15: 15,651,228 km (0.093 R)
• M16: 18,376,902 km (0.075 R)
• M17: 19,791,499 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.2

Radius: 9.5

Gravity: 10.67 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.03 AU - 4.07 AU

Year: 5263 Days

Day: 10.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,957,851 km

• M1: 118,482 km (0.095 R)
• M2: 960,119 km (0.088 R)
• M3: 1,441,375 km (0.105 R)
• M4: 1,943,127 km (0.11 R)
• M5: 2,350,781 km (0.063 R)
• M6: 3,150,980 km (0.077 R)
• M7: 3,833,296 km (0.073 R)
• M8: 5,282,450 km (0.054 R)
• M9: 5,827,735 km (0.117 R)
• M10: 6,819,569 km (0.069 R)
• M11: 7,997,502 km (0.046 R)
• M12: 8,841,085 km (0.063 R)
• M13: 9,220,315 km (0.102 R)
• M14: 11,829,152 km (0.085 R)
• M15: 13,577,802 km (0.069 R)
• M16: 15,674,865 km (0.104 R)
• M17: 19,493,650 km (0.118 R)
• M18: 23,408,327 km (0.109 R)
• M19: 29,000,744 km (0.086 R)
• M20: 30,311,969 km (0.091 R)

Asteroid Belt

Center: 7.24 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 10.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 218.9

Radius: 7.7

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 9.7 AU - 11.14 AU

Year: 21718 Days

Day: 20.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,957,851 km

• M1: 96,042 km (0.037 R)
• M2: 448,794 km (0.11 R)
• M3: 737,518 km (0.061 R)
• M4: 2,763,521 km (0.118 R)
• M5: 3,106,101 km (0.077 R)
• M6: 3,686,540 km (0.11 R)
• M7: 4,045,426 km (0.095 R)
• M8: 5,162,024 km (0.082 R)
• M9: 5,683,373 km (0.095 R)
• M10: 6,629,579 km (0.046 R)
• M11: 9,576,358 km (0.086 R)
• M12: 10,855,420 km (0.108 R)
• M13: 14,680,787 km (0.047 R)
• M14: 16,156,869 km (0.109 R)
• M15: 20,487,728 km (0.113 R)
• M16: 21,437,973 km (0.119 R)
• M17: 21,879,586 km (0.108 R)
• M18: 23,800,572 km (0.085 R)
• M19: 27,454,201 km (0.116 R)
• M20: 32,496,697 km (0.099 R)
• M21: 33,314,548 km (0.027 R)
• M22: 37,228,477 km (0.088 R)
• M23: 39,427,416 km (0.045 R)
• M24: 40,491,506 km (0.101 R)
• M25: 40,895,420 km (0.096 R)
• M26: 46,100,977 km (0.108 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: 148 - 16,914 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit