🌌 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: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.1

Radius: 11.3

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.54 AU - 0.7 AU

Year: 337 Days

Day: 12.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,012,314 km

• M1: 140,622 km (0.052 R)
• M2: 536,159 km (0.095 R)
• M3: 1,019,061 km (0.073 R)
• M4: 1,484,609 km (0.12 R)
• M5: 1,939,387 km (0.088 R)
• M6: 2,290,792 km (0.103 R)
• M7: 2,667,480 km (0.077 R)
• M8: 3,037,136 km (0.067 R)
• M9: 3,399,312 km (0.105 R)
• M10: 3,824,320 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.1

Radius: 9.5

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.61 AU - 0.73 AU

Year: 379 Days

Day: 14.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,012,314 km

• M1: 118,182 km (0.073 R)
• M2: 486,343 km (0.052 R)
• M3: 837,299 km (0.097 R)
• M4: 1,283,400 km (0.105 R)
• M5: 1,841,550 km (0.11 R)
• M6: 2,389,826 km (0.111 R)
• M7: 3,175,664 km (0.038 R)
• M8: 3,517,046 km (0.119 R)
• M9: 3,918,567 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.6

Radius: 9.9

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.57 AU - 0.79 AU

Year: 387 Days

Day: 12.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 20,012,314 km

• M1: 123,119 km (0.099 R)
• M2: 463,604 km (0.092 R)
• M3: 800,797 km (0.115 R)
• M4: 1,433,148 km (0.116 R)
• M5: 1,763,759 km (0.086 R)
• M6: 2,152,265 km (0.081 R)
• M7: 2,479,136 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.4

Radius: 13.1

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.74 AU - 0.74 AU

Year: 439 Days

Day: 14 Hours

Environment

Temp: -163 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,012,314 km

• M1: 163,211 km (0.116 R)
• M2: 703,858 km (0.103 R)
• M3: 1,320,650 km (0.1 R)
• M4: 1,766,152 km (0.075 R)
• M5: 2,204,175 km (0.086 R)
• M6: 2,643,694 km (0.061 R)
• M7: 3,130,635 km (0.097 R)
• M8: 3,563,122 km (0.066 R)
• M9: 5,060,148 km (0.071 R)
• M10: 5,471,692 km (0.083 R)
• M11: 6,049,289 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.5

Radius: 12.4

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.08 AU - 1.54 AU

Year: 1035 Days

Day: 7.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,012,314 km

• M1: 154,235 km (0.049 R)
• M2: 580,440 km (0.045 R)
• M3: 975,079 km (0.074 R)
• M4: 1,393,654 km (0.116 R)
• M5: 1,793,828 km (0.086 R)
• M6: 2,186,672 km (0.08 R)
• M7: 2,759,931 km (0.069 R)
• M8: 3,275,296 km (0.037 R)
• M9: 3,823,123 km (0.064 R)
• M10: 4,345,818 km (0.083 R)
• M11: 4,732,379 km (0.099 R)
• M12: 5,355,903 km (0.048 R)
• M13: 6,054,974 km (0.034 R)
• M14: 6,652,767 km (0.063 R)
• M15: 7,265,370 km (0.104 R)
• M16: 7,686,039 km (0.118 R)
• M17: 8,122,865 km (0.088 R)
• M18: 10,344,693 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.8

Radius: 8

Gravity: 15.47 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.35 AU - 4.45 AU

Year: 5316 Days

Day: 11.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 64.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 20,012,314 km

• M1: 100,380 km (0.052 R)
• M2: 595,848 km (0.113 R)
• M3: 1,028,485 km (0.09 R)
• M4: 1,385,575 km (0.086 R)
• M5: 1,713,045 km (0.065 R)
• M6: 2,203,128 km (0.097 R)
• M7: 2,597,617 km (0.115 R)
• M8: 2,958,597 km (0.086 R)
• M9: 3,396,171 km (0.05 R)
• M10: 3,757,899 km (0.05 R)
• M11: 4,046,024 km (0.105 R)
• M12: 5,143,624 km (0.101 R)
• M13: 6,294,031 km (0.108 R)
• M14: 8,348,459 km (0.074 R)
• M15: 9,527,290 km (0.085 R)
• M16: 9,928,661 km (0.117 R)
• M17: 12,107,554 km (0.112 R)
• M18: 16,543,131 km (0.093 R)
• M19: 17,123,421 km (0.081 R)
• M20: 18,188,558 km (0.118 R)
• M21: 20,968,685 km (0.054 R)
• M22: 23,694,358 km (0.026 R)
• M23: 24,020,182 km (0.114 R)
• M24: 27,714,053 km (0.086 R)
• M25: 31,181,582 km (0.108 R)
• M26: 33,171,383 km (0.118 R)
• M27: 33,476,862 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822

Radius: 14.4

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.96 AU - 5.42 AU

Year: 8161 Days

Day: 5.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 20,012,314 km

• M1: 179,069 km (0.059 R)
• M2: 644,468 km (0.042 R)
• M3: 1,339,799 km (0.108 R)
• M4: 2,668,228 km (0.073 R)
• M5: 3,188,080 km (0.04 R)
• M6: 4,030,915 km (0.075 R)
• M7: 6,125,584 km (0.103 R)
• M8: 6,887,636 km (0.081 R)
• M9: 7,671,528 km (0.098 R)
• M10: 8,557,896 km (0.108 R)
• M11: 9,844,886 km (0.054 R)
• M12: 10,636,259 km (0.118 R)
• M13: 11,469,669 km (0.116 R)
• M14: 12,122,963 km (0.118 R)
• M15: 13,326,178 km (0.083 R)
• M16: 14,109,922 km (0.11 R)
• M17: 16,441,704 km (0.093 R)
• M18: 16,923,259 km (0.111 R)
• M19: 17,771,030 km (0.115 R)
• M20: 20,643,010 km (0.08 R)
• M21: 21,204,002 km (0.072 R)
• M22: 22,272,879 km (0.07 R)
• M23: 29,153,184 km (0.12 R)
• M24: 30,785,147 km (0.084 R)
• M25: 35,815,974 km (0.065 R)
• M26: 38,164,810 km (0.106 R)
• M27: 40,865,501 km (0.065 R)
• M28: 43,822,602 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.1

Radius: 11.3

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 5.11 AU - 5.55 AU

Year: 8494 Days

Day: 9.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,012,314 km

• M1: 145,260 km (0.036 R)
• M2: 576,700 km (0.12 R)
• M3: 1,230,891 km (0.106 R)
• M4: 1,633,908 km (0.057 R)
• M5: 3,724,688 km (0.039 R)
• M6: 4,221,802 km (0.11 R)
• M7: 5,325,385 km (0.057 R)
• M8: 5,827,585 km (0.102 R)
• M9: 8,291,312 km (0.089 R)
• M10: 11,585,308 km (0.059 R)
• M11: 14,967,716 km (0.076 R)
• M12: 17,124,319 km (0.074 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 369 - 18,470 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit