🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.44 AU - 0.66 AU

Year: 263 Days

Day: 41.4 Hours

Environment

Temp: -120 °C

Axial Tilt: 20.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.13 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.1

Radius: 13.1

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.43 AU - 1.99 AU

Year: 1444 Days

Day: 9.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,522,173 km

• M1: 162,912 km (0.091 R)
• M2: 675,883 km (0.075 R)
• M3: 1,171,052 km (0.115 R)
• M4: 1,815,969 km (0.086 R)
• M5: 4,266,980 km (0.056 R)
• M6: 5,283,198 km (0.095 R)
• M7: 5,868,425 km (0.085 R)
• M8: 6,623,147 km (0.1 R)
• M9: 7,441,746 km (0.111 R)
• M10: 8,032,358 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.2

Radius: 14.8

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.4 AU - 2.02 AU

Year: 1444 Days

Day: 10 Hours

Environment

Temp: -184 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 26,522,173 km

• M1: 184,005 km (0.118 R)
• M2: 785,090 km (0.119 R)
• M3: 1,392,307 km (0.12 R)
• M4: 2,082,402 km (0.079 R)
• M5: 2,585,650 km (0.104 R)
• M6: 3,512,408 km (0.069 R)
• M7: 4,000,696 km (0.107 R)
• M8: 4,496,314 km (0.12 R)
• M9: 5,074,659 km (0.091 R)
• M10: 5,679,932 km (0.111 R)
• M11: 6,528,900 km (0.082 R)
• M12: 7,461,044 km (0.102 R)
• M13: 8,188,239 km (0.095 R)
• M14: 9,116,644 km (0.101 R)
• M15: 10,970,909 km (0.091 R)
• M16: 11,435,112 km (0.059 R)
• M17: 12,175,023 km (0.067 R)
• M18: 12,673,034 km (0.083 R)
• M19: 13,384,970 km (0.099 R)
• M20: 14,040,209 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.1

Radius: 10.3

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.54 AU - 2.36 AU

Year: 1758 Days

Day: 8.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,522,173 km

• M1: 128,355 km (0.059 R)
• M2: 543,190 km (0.11 R)
• M3: 962,961 km (0.064 R)
• M4: 1,370,017 km (0.075 R)
• M5: 1,845,140 km (0.052 R)
• M6: 2,252,794 km (0.084 R)
• M7: 2,945,881 km (0.083 R)
• M8: 4,699,617 km (0.113 R)
• M9: 5,158,284 km (0.056 R)
• M10: 6,144,284 km (0.106 R)
• M11: 6,492,099 km (0.05 R)
• M12: 6,830,040 km (0.053 R)
• M13: 7,714,613 km (0.067 R)
• M14: 8,433,430 km (0.11 R)
• M15: 8,782,143 km (0.061 R)
• M16: 9,168,255 km (0.088 R)
• M17: 9,537,014 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.5

Radius: 13.7

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.89 AU - 2.63 AU

Year: 2194 Days

Day: 10.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 26,522,173 km

• M1: 170,392 km (0.116 R)
• M2: 634,893 km (0.119 R)
• M3: 1,130,511 km (0.105 R)
• M4: 1,640,191 km (0.063 R)
• M5: 2,625,891 km (0.087 R)
• M6: 3,097,574 km (0.08 R)
• M7: 3,558,933 km (0.084 R)
• M8: 4,103,320 km (0.104 R)
• M9: 4,825,579 km (0.075 R)
• M10: 5,472,290 km (0.101 R)
• M11: 6,299,267 km (0.044 R)
• M12: 6,834,528 km (0.106 R)
• M13: 7,938,561 km (0.064 R)
• M14: 8,717,816 km (0.076 R)
• M15: 9,481,812 km (0.079 R)
• M16: 11,253,799 km (0.077 R)
• M17: 11,776,793 km (0.115 R)
• M18: 14,075,813 km (0.112 R)
• M19: 14,771,593 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.7

Radius: 8.3

Gravity: 10.04 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.29 AU - 3.29 AU

Year: 3009 Days

Day: 14.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 180 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 26,522,173 km

• M1: 103,223 km (0.119 R)
• M2: 430,991 km (0.097 R)
• M3: 1,040,453 km (0.039 R)
• M4: 1,301,202 km (0.091 R)
• M5: 1,718,281 km (0.09 R)
• M6: 2,035,578 km (0.056 R)
• M7: 2,524,763 km (0.061 R)
• M8: 2,789,551 km (0.102 R)
• M9: 3,777,047 km (0.106 R)
• M10: 4,125,161 km (0.093 R)
• M11: 5,175,488 km (0.114 R)
• M12: 5,896,699 km (0.051 R)
• M13: 7,010,605 km (0.028 R)
• M14: 8,989,336 km (0.114 R)
• M15: 9,914,300 km (0.089 R)
• M16: 10,779,424 km (0.116 R)
• M17: 11,355,675 km (0.075 R)
• M18: 12,170,385 km (0.102 R)
• M19: 12,569,662 km (0.107 R)
• M20: 13,535,167 km (0.087 R)
• M21: 14,352,420 km (0.096 R)
• M22: 16,728,632 km (0.089 R)
• M23: 19,295,283 km (0.106 R)
• M24: 20,391,686 km (0.111 R)
• M25: 20,955,221 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.3

Radius: 9.6

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.68 AU - 3.78 AU

Year: 3748 Days

Day: 5.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,522,173 km

• M1: 119,379 km (0.064 R)
• M2: 474,375 km (0.094 R)
• M3: 794,215 km (0.059 R)
• M4: 1,248,394 km (0.093 R)
• M5: 1,617,303 km (0.118 R)
• M6: 3,094,133 km (0.109 R)
• M7: 4,233,321 km (0.081 R)
• M8: 4,825,878 km (0.111 R)
• M9: 5,935,296 km (0.113 R)
• M10: 7,481,240 km (0.115 R)
• M11: 8,468,137 km (0.077 R)
• M12: 8,867,563 km (0.073 R)
• M13: 11,275,491 km (0.069 R)
• M14: 13,876,998 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 28.6

Radius: 3.6

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 8.82 AU - 11 AU

Year: 20143 Days

Day: 22 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 26,522,173 km

• M1: 47,572 km (0.106 R)
• M2: 232,176 km (0.094 R)
• M3: 494,271 km (0.109 R)
• M4: 10,134,657 km (0.105 R)
• M5: 12,274,356 km (0.114 R)
• M6: 13,652,152 km (0.041 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 381 - 14,384 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit