🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.3

Radius: 14.6

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.58 AU - 0.72 AU

Year: 349 Days

Day: 5.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,836,599 km

• M1: 181,612 km (0.09 R)
• M2: 690,843 km (0.112 R)
• M3: 1,155,644 km (0.092 R)
• M4: 1,834,369 km (0.109 R)
• M5: 2,332,081 km (0.107 R)
• M6: 2,992,107 km (0.1 R)
• M7: 3,573,145 km (0.065 R)
• M8: 4,565,877 km (0.105 R)
• M9: 5,157,686 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.5

Radius: 8.8

Gravity: 12.51 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.66 AU - 0.66 AU

Year: 358 Days

Day: 5.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,836,599 km

• M1: 109,506 km (0.117 R)
• M2: 457,171 km (0.111 R)
• M3: 825,631 km (0.103 R)
• M4: 1,204,412 km (0.048 R)
• M5: 1,548,936 km (0.062 R)
• M6: 2,177,397 km (0.06 R)
• M7: 2,828,447 km (0.115 R)
• M8: 3,554,146 km (0.047 R)
• M9: 3,947,738 km (0.103 R)
• M10: 4,484,196 km (0.114 R)
• M11: 4,929,250 km (0.096 R)
• M12: 5,485,455 km (0.098 R)
• M13: 5,838,954 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.3

Radius: 13.4

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.57 AU - 0.83 AU

Year: 391 Days

Day: 8.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,836,599 km

• M1: 166,652 km (0.074 R)
• M2: 805,285 km (0.046 R)
• M3: 1,244,804 km (0.096 R)
• M4: 1,769,743 km (0.096 R)
• M5: 2,460,586 km (0.089 R)
• M6: 3,094,881 km (0.073 R)
• M7: 3,640,464 km (0.108 R)
• M8: 4,065,322 km (0.089 R)
• M9: 4,650,549 km (0.118 R)
• M10: 5,076,604 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.9

Radius: 9.1

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.72 AU - 1.02 AU

Year: 541 Days

Day: 10.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,836,599 km

• M1: 113,246 km (0.095 R)
• M2: 439,070 km (0.082 R)
• M3: 1,124,078 km (0.078 R)
• M4: 1,691,054 km (0.116 R)
• M5: 2,167,524 km (0.11 R)
• M6: 2,592,382 km (0.102 R)
• M7: 2,886,940 km (0.09 R)
• M8: 3,228,472 km (0.042 R)
• M9: 4,479,409 km (0.111 R)
• M10: 4,857,592 km (0.102 R)
• M11: 5,714,190 km (0.065 R)
• M12: 6,255,136 km (0.061 R)
• M13: 6,830,040 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.3

Radius: 12.1

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.57 AU - 4.07 AU

Year: 4979 Days

Day: 13.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,836,599 km

• M1: 150,495 km (0.086 R)
• M2: 882,179 km (0.1 R)
• M3: 1,379,891 km (0.061 R)
• M4: 2,176,200 km (0.073 R)
• M5: 2,806,755 km (0.111 R)
• M6: 3,292,500 km (0.095 R)
• M7: 4,540,894 km (0.066 R)
• M8: 5,308,630 km (0.089 R)
• M9: 6,056,320 km (0.089 R)
• M10: 6,816,427 km (0.097 R)
• M11: 7,638,916 km (0.065 R)
• M12: 8,363,119 km (0.116 R)
• M13: 8,961,361 km (0.044 R)
• M14: 11,283,120 km (0.064 R)
• M15: 11,726,229 km (0.029 R)
• M16: 13,258,261 km (0.095 R)
• M17: 13,706,606 km (0.033 R)
• M18: 15,900,907 km (0.115 R)
• M19: 16,356,283 km (0.042 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.2

Radius: 12.1

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3.19 AU - 4.91 AU

Year: 5435 Days

Day: 14 Hours

Environment

Temp: -219 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,836,599 km

• M1: 154,535 km (0.058 R)
• M2: 599,139 km (0.113 R)
• M3: 1,066,184 km (0.112 R)
• M4: 2,195,947 km (0.112 R)
• M5: 3,160,853 km (0.113 R)
• M6: 4,546,279 km (0.073 R)
• M7: 5,063,888 km (0.06 R)
• M8: 8,030,563 km (0.03 R)
• M9: 10,409,917 km (0.03 R)
• M10: 12,044,573 km (0.114 R)
• M11: 13,556,409 km (0.053 R)
• M12: 16,082,968 km (0.084 R)
• M13: 20,188,382 km (0.084 R)
• M14: 21,073,254 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 211.4

Radius: 7.2

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 6.49 AU - 6.59 AU

Year: 11153 Days

Day: 15 Hours

Environment

Temp: -222 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 34,836,599 km

• M1: 91,105 km (0.071 R)
• M2: 351,106 km (0.113 R)
• M3: 1,315,713 km (0.109 R)
• M4: 1,592,170 km (0.051 R)
• M5: 1,892,712 km (0.034 R)
• M6: 2,247,259 km (0.042 R)
• M7: 2,738,090 km (0.11 R)
• M8: 3,193,017 km (0.112 R)
• M9: 6,126,482 km (0.117 R)
• M10: 6,423,433 km (0.093 R)
• M11: 9,283,894 km (0.113 R)
• M12: 11,015,190 km (0.102 R)
• M13: 11,855,182 km (0.11 R)
• M14: 12,473,470 km (0.065 R)
• M15: 14,399,393 km (0.097 R)
• M16: 14,631,569 km (0.104 R)
• M17: 16,515,455 km (0.073 R)
• M18: 18,555,521 km (0.063 R)
• M19: 26,360,342 km (0.085 R)
• M20: 27,412,164 km (0.034 R)
• M21: 27,679,496 km (0.115 R)
• M22: 28,674,471 km (0.104 R)
• M23: 31,411,514 km (0.068 R)
• M24: 31,802,263 km (0.086 R)
• M25: 34,732,437 km (0.104 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: 297 - 18,193 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit