🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.38 AU - 0.62 AU

Year: 232 Days

Day: 13.9 Hours

Environment

Temp: -121 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.7

Radius: 12.6

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.74 AU - 0.96 AU

Year: 514 Days

Day: 12.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 57,272,843 km

• M1: 156,779 km (0.096 R)
• M2: 599,887 km (0.108 R)
• M3: 1,018,761 km (0.078 R)
• M4: 1,507,947 km (0.107 R)
• M5: 2,116,660 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.2

Radius: 14.3

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.95 AU - 1.11 AU

Year: 686 Days

Day: 12.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,272,843 km

• M1: 177,872 km (0.084 R)
• M2: 686,355 km (0.095 R)
• M3: 1,205,011 km (0.112 R)
• M4: 1,748,799 km (0.063 R)
• M5: 2,230,803 km (0.076 R)
• M6: 2,814,235 km (0.109 R)
• M7: 3,350,843 km (0.118 R)
• M8: 3,896,576 km (0.116 R)
• M9: 4,716,821 km (0.057 R)
• M10: 5,186,558 km (0.074 R)
• M11: 6,160,291 km (0.117 R)
• M12: 6,616,564 km (0.095 R)
• M13: 8,025,926 km (0.047 R)
• M14: 8,470,531 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.4

Radius: 12.5

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.88 AU - 1.38 AU

Year: 788 Days

Day: 13.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,272,843 km

• M1: 155,582 km (0.05 R)
• M2: 596,297 km (0.096 R)
• M3: 1,115,402 km (0.106 R)
• M4: 1,686,417 km (0.06 R)
• M5: 2,991,359 km (0.105 R)
• M6: 3,427,886 km (0.045 R)
• M7: 5,242,957 km (0.091 R)
• M8: 5,712,993 km (0.109 R)
• M9: 6,151,913 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.3

Radius: 12.4

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.29 AU - 1.79 AU

Year: 1254 Days

Day: 11.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,272,843 km

• M1: 154,235 km (0.114 R)
• M2: 821,442 km (0.109 R)
• M3: 1,293,722 km (0.051 R)
• M4: 1,735,784 km (0.081 R)
• M5: 2,336,420 km (0.098 R)
• M6: 3,243,282 km (0.05 R)
• M7: 3,892,237 km (0.118 R)
• M8: 4,283,286 km (0.111 R)
• M9: 4,776,062 km (0.097 R)
• M10: 5,492,037 km (0.031 R)
• M11: 6,008,299 km (0.098 R)
• M12: 6,819,269 km (0.036 R)
• M13: 7,571,148 km (0.087 R)
• M14: 8,075,592 km (0.115 R)
• M15: 8,888,657 km (0.096 R)
• M16: 9,571,571 km (0.062 R)
• M17: 10,579,861 km (0.084 R)
• M18: 11,381,406 km (0.03 R)

Asteroid Belt

Center: 2.33 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.8

Radius: 8.9

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3 AU - 3.22 AU

Year: 3598 Days

Day: 5.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,272,843 km

• M1: 113,246 km (0.096 R)
• M2: 1,101,040 km (0.068 R)
• M3: 2,113,369 km (0.057 R)
• M4: 6,509,153 km (0.068 R)
• M5: 6,881,203 km (0.086 R)
• M6: 8,308,965 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 683.4

Radius: 5.8

Gravity: 20.32 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 6.5 AU - 7.18 AU

Year: 11735 Days

Day: 22.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 138.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,272,843 km

• M1: 75,248 km (0.111 R)
• M2: 883,824 km (0.069 R)
• M3: 1,291,030 km (0.052 R)
• M4: 1,799,662 km (0.039 R)
• M5: 3,253,155 km (0.078 R)
• M6: 5,051,770 km (0.109 R)
• M7: 5,597,055 km (0.12 R)
• M8: 6,332,777 km (0.108 R)
• M9: 8,312,705 km (0.111 R)
• M10: 9,927,165 km (0.079 R)
• M11: 10,455,096 km (0.105 R)
• M12: 11,001,427 km (0.026 R)
• M13: 13,441,967 km (0.105 R)
• M14: 14,351,672 km (0.107 R)
• M15: 17,477,968 km (0.08 R)
• M16: 24,272,105 km (0.077 R)
• M17: 24,461,346 km (0.039 R)
• M18: 25,325,573 km (0.096 R)
• M19: 25,912,745 km (0.108 R)
• M20: 32,179,549 km (0.064 R)
• M21: 35,600,104 km (0.092 R)
• M22: 36,958,453 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 211

Radius: 5.3

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 6.12 AU - 9.82 AU

Year: 14760 Days

Day: 20.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,272,843 km

• M1: 68,217 km (0.096 R)
• M2: 314,305 km (0.116 R)
• M3: 645,066 km (0.062 R)
• M4: 872,455 km (0.054 R)
• M5: 1,266,496 km (0.085 R)
• M6: 2,240,378 km (0.07 R)
• M7: 2,419,895 km (0.112 R)
• M8: 3,758,198 km (0.096 R)
• M9: 4,388,304 km (0.108 R)
• M10: 5,055,959 km (0.105 R)
• M11: 8,198,861 km (0.12 R)
• M12: 9,436,783 km (0.078 R)
• M13: 9,955,439 km (0.119 R)
• M14: 11,732,662 km (0.07 R)
• M15: 11,948,382 km (0.107 R)
• M16: 12,952,034 km (0.1 R)
• M17: 18,098,350 km (0.068 R)
• M18: 19,419,000 km (0.079 R)
• M19: 19,645,192 km (0.03 R)
• M20: 21,198,467 km (0.109 R)
• M21: 35,425,524 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476.6

Radius: 6.1

Gravity: 12.81 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 7.89 AU - 8.69 AU

Year: 15658 Days

Day: 21.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 57,272,843 km

• M1: 75,846 km (0.111 R)
• M2: 438,023 km (0.07 R)
• M3: 652,247 km (0.08 R)
• M4: 1,201,720 km (0.098 R)
• M5: 1,544,299 km (0.1 R)
• M6: 1,763,310 km (0.118 R)
• M7: 2,112,771 km (0.116 R)
• M8: 3,068,103 km (0.12 R)
• M9: 3,627,748 km (0.095 R)
• M10: 4,223,297 km (0.097 R)
• M11: 4,849,215 km (0.103 R)
• M12: 5,082,288 km (0.067 R)
• M13: 6,014,283 km (0.046 R)
• M14: 6,283,559 km (0.119 R)
• M15: 6,520,672 km (0.083 R)
• M16: 7,013,148 km (0.098 R)
• M17: 7,842,968 km (0.1 R)
• M18: 8,982,604 km (0.09 R)
• M19: 9,696,186 km (0.1 R)
• M20: 10,228,605 km (0.117 R)
• M21: 10,668,273 km (0.083 R)
• M22: 12,741,849 km (0.039 R)
• M23: 13,641,680 km (0.083 R)
• M24: 17,048,622 km (0.08 R)
• M25: 17,981,215 km (0.061 R)
• M26: 21,424,509 km (0.112 R)
• M27: 23,347,590 km (0.102 R)
• M28: 25,382,720 km (0.089 R)
• M29: 27,114,614 km (0.064 R)
• M30: 30,811,626 km (0.027 R)
• M31: 31,039,015 km (0.061 R)
• M32: 38,788,783 km (0.1 R)
• M33: 40,533,992 km (0.092 R)
• M34: 51,156,039 km (0.051 R)
• M35: 55,071,015 km (0.093 R)
• M36: 57,272,797 km (0.115 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: 498 - 12,572 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit