🌌 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: 251.6

Radius: 11.1

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.58 AU - 0.62 AU

Year: 315 Days

Day: 14.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 30,276,001 km

• M1: 141,669 km (0.074 R)
• M2: 492,626 km (0.108 R)
• M3: 910,153 km (0.099 R)
• M4: 1,349,822 km (0.039 R)
• M5: 1,814,921 km (0.096 R)
• M6: 2,207,167 km (0.048 R)
• M7: 2,748,262 km (0.106 R)
• M8: 3,318,230 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.1

Radius: 9.3

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.65 AU - 0.67 AU

Year: 364 Days

Day: 13.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 30,276,001 km

• M1: 115,789 km (0.083 R)
• M2: 418,575 km (0.082 R)
• M3: 1,022,801 km (0.077 R)
• M4: 1,580,202 km (0.092 R)
• M5: 2,040,216 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.5

Radius: 10.5

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.81 AU - 0.91 AU

Year: 541 Days

Day: 9.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,276,001 km

• M1: 130,599 km (0.052 R)
• M2: 461,061 km (0.092 R)
• M3: 902,524 km (0.054 R)
• M4: 1,258,118 km (0.039 R)
• M5: 2,047,097 km (0.107 R)
• M6: 2,460,436 km (0.102 R)
• M7: 2,952,164 km (0.089 R)
• M8: 3,758,198 km (0.044 R)
• M9: 4,352,999 km (0.111 R)
• M10: 4,863,576 km (0.078 R)
• M11: 5,242,657 km (0.115 R)
• M12: 5,588,378 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948

Radius: 15

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.07 AU - 1.57 AU

Year: 1029 Days

Day: 9.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,276,001 km

• M1: 186,698 km (0.1 R)
• M2: 766,390 km (0.079 R)
• M3: 1,400,086 km (0.09 R)
• M4: 1,924,128 km (0.111 R)
• M5: 2,963,534 km (0.103 R)
• M6: 3,767,323 km (0.118 R)
• M7: 4,731,481 km (0.118 R)
• M8: 5,705,214 km (0.071 R)
• M9: 6,929,224 km (0.068 R)
• M10: 9,114,250 km (0.113 R)
• M11: 9,894,403 km (0.03 R)
• M12: 10,816,973 km (0.116 R)
• M13: 11,316,181 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.8

Radius: 8.2

Gravity: 12.95 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.37 AU - 2.93 AU

Year: 2926 Days

Day: 11.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 30,276,001 km

• M1: 102,026 km (0.099 R)
• M2: 379,231 km (0.072 R)
• M3: 674,986 km (0.087 R)
• M4: 950,844 km (0.067 R)
• M5: 1,422,526 km (0.108 R)
• M6: 1,695,243 km (0.096 R)
• M7: 2,559,171 km (0.099 R)
• M8: 3,124,202 km (0.1 R)
• M9: 3,709,429 km (0.047 R)
• M10: 4,039,143 km (0.078 R)
• M11: 5,558,159 km (0.112 R)
• M12: 6,130,521 km (0.049 R)
• M13: 7,717,305 km (0.111 R)
• M14: 8,221,899 km (0.12 R)
• M15: 9,409,257 km (0.061 R)
• M16: 9,675,093 km (0.113 R)
• M17: 12,755,911 km (0.114 R)
• M18: 13,413,543 km (0.1 R)
• M19: 14,391,914 km (0.053 R)
• M20: 15,680,849 km (0.11 R)
• M21: 17,045,181 km (0.115 R)
• M22: 18,250,791 km (0.053 R)
• M23: 18,724,717 km (0.116 R)
• M24: 19,206,871 km (0.04 R)
• M25: 22,007,941 km (0.056 R)
• M26: 22,680,533 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.5

Radius: 11.9

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.35 AU - 4.53 AU

Year: 5304 Days

Day: 11.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 30,276,001 km

• M1: 147,952 km (0.041 R)
• M2: 659,427 km (0.114 R)
• M3: 1,144,573 km (0.098 R)
• M4: 1,530,386 km (0.106 R)
• M5: 1,935,198 km (0.097 R)
• M6: 2,543,313 km (0.112 R)
• M7: 3,276,044 km (0.103 R)
• M8: 3,670,833 km (0.075 R)
• M9: 4,074,448 km (0.083 R)
• M10: 4,709,939 km (0.088 R)
• M11: 6,558,520 km (0.048 R)
• M12: 6,986,520 km (0.107 R)
• M13: 8,157,422 km (0.089 R)
• M14: 9,128,462 km (0.082 R)
• M15: 10,393,611 km (0.112 R)
• M16: 12,655,980 km (0.108 R)
• M17: 14,063,845 km (0.068 R)
• M18: 15,400,652 km (0.075 R)
• M19: 19,177,699 km (0.099 R)
• M20: 19,715,055 km (0.037 R)
• M21: 20,890,146 km (0.119 R)
• M22: 21,315,752 km (0.049 R)
• M23: 21,965,156 km (0.053 R)
• M24: 22,926,472 km (0.111 R)
• M25: 24,147,939 km (0.068 R)
• M26: 27,137,951 km (0.086 R)
• M27: 28,678,211 km (0.076 R)
• M28: 29,381,171 km (0.032 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 16,007 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit