🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.5

Radius: 13.8

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.91 AU - 0.93 AU

Year: 599 Days

Day: 11 Hours

Environment

Temp: -181 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 64,828,153 km

• M1: 171,738 km (0.085 R)
• M2: 647,609 km (0.035 R)
• M3: 1,107,323 km (0.046 R)
• M4: 1,858,454 km (0.107 R)
• M5: 2,609,585 km (0.109 R)
• M6: 4,597,292 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.3

Radius: 10.9

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.72 AU - 2.74 AU

Year: 2259 Days

Day: 9.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,828,153 km

• M1: 135,536 km (0.068 R)
• M2: 487,091 km (0.102 R)
• M3: 841,937 km (0.106 R)
• M4: 1,433,297 km (0.095 R)
• M5: 1,890,618 km (0.114 R)
• M6: 2,652,370 km (0.077 R)
• M7: 3,056,883 km (0.114 R)
• M8: 3,554,745 km (0.045 R)
• M9: 4,087,014 km (0.086 R)
• M10: 4,714,128 km (0.093 R)
• M11: 6,418,945 km (0.082 R)
• M12: 7,324,461 km (0.087 R)
• M13: 7,703,842 km (0.03 R)
• M14: 9,053,065 km (0.106 R)
• M15: 10,371,321 km (0.026 R)
• M16: 11,190,818 km (0.099 R)
• M17: 11,695,113 km (0.084 R)
• M18: 12,052,951 km (0.034 R)
• M19: 12,916,579 km (0.083 R)
• M20: 14,221,372 km (0.114 R)
• M21: 16,538,344 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.5

Radius: 12

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.19 AU - 2.39 AU

Year: 2350 Days

Day: 5.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,828,153 km

• M1: 210,484 km (0.085 R)
• M2: 785,239 km (0.088 R)
• M3: 1,322,595 km (0.096 R)
• M4: 2,720,437 km (0.079 R)
• M5: 4,241,100 km (0.095 R)
• M6: 4,955,130 km (0.111 R)
• M7: 5,509,839 km (0.08 R)
• M8: 6,128,726 km (0.108 R)
• M9: 7,067,452 km (0.079 R)
• M10: 9,109,014 km (0.086 R)
• M11: 9,848,477 km (0.059 R)
• M12: 10,862,451 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.7

Radius: 10.4

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.75 AU - 3.33 AU

Year: 3595 Days

Day: 6.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 64,828,153 km

• M1: 131,347 km (0.083 R)
• M2: 516,412 km (0.05 R)
• M3: 885,320 km (0.055 R)
• M4: 1,383,780 km (0.101 R)
• M5: 2,132,966 km (0.069 R)
• M6: 2,901,002 km (0.043 R)
• M7: 3,495,803 km (0.102 R)
• M8: 4,103,320 km (0.063 R)
• M9: 4,491,227 km (0.064 R)
• M10: 5,448,205 km (0.074 R)
• M11: 6,566,150 km (0.089 R)
• M12: 6,939,247 km (0.1 R)
• M13: 8,466,192 km (0.055 R)
• M14: 9,097,795 km (0.061 R)
• M15: 9,601,640 km (0.102 R)
• M16: 9,961,273 km (0.097 R)
• M17: 10,330,032 km (0.025 R)
• M18: 11,896,771 km (0.112 R)
• M19: 12,452,527 km (0.116 R)
• M20: 12,928,996 km (0.101 R)
• M21: 13,616,249 km (0.076 R)
• M22: 15,769,710 km (0.106 R)
• M23: 16,440,656 km (0.025 R)
• M24: 17,839,696 km (0.067 R)
• M25: 18,262,310 km (0.108 R)
• M26: 21,614,200 km (0.082 R)
• M27: 22,442,224 km (0.088 R)
• M28: 25,128,553 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.7

Radius: 11

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.58 AU - 3.84 AU

Year: 3901 Days

Day: 5.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,828,153 km

• M1: 136,882 km (0.085 R)
• M2: 576,999 km (0.096 R)
• M3: 1,089,521 km (0.112 R)
• M4: 2,555,281 km (0.063 R)
• M5: 3,397,517 km (0.06 R)
• M6: 3,833,745 km (0.085 R)
• M7: 4,960,067 km (0.108 R)
• M8: 6,047,943 km (0.069 R)
• M9: 6,808,349 km (0.117 R)
• M10: 11,223,580 km (0.096 R)
• M11: 13,041,494 km (0.1 R)
• M12: 14,455,044 km (0.096 R)
• M13: 15,249,409 km (0.112 R)
• M14: 16,282,980 km (0.028 R)
• M15: 17,307,576 km (0.118 R)
• M16: 18,089,524 km (0.118 R)
• M17: 19,724,180 km (0.087 R)
• M18: 20,208,877 km (0.119 R)
• M19: 21,075,946 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.8

Radius: 12.7

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 3.43 AU - 3.59 AU

Year: 4460 Days

Day: 14.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,828,153 km

• M1: 157,975 km (0.075 R)
• M2: 591,360 km (0.094 R)
• M3: 1,030,729 km (0.101 R)
• M4: 1,843,644 km (0.063 R)
• M5: 3,049,104 km (0.114 R)
• M6: 4,602,977 km (0.095 R)
• M7: 4,999,262 km (0.089 R)
• M8: 5,889,818 km (0.118 R)
• M9: 6,448,865 km (0.112 R)
• M10: 7,370,388 km (0.088 R)
• M11: 8,450,634 km (0.066 R)
• M12: 8,896,137 km (0.107 R)
• M13: 10,411,563 km (0.117 R)
• M14: 11,724,584 km (0.088 R)
• M15: 14,257,874 km (0.091 R)
• M16: 14,944,229 km (0.108 R)
• M17: 16,785,779 km (0.108 R)
• M18: 17,973,137 km (0.062 R)
• M19: 18,649,619 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 785.3

Radius: 3.5

Gravity: 64.11 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 6.25 AU - 9.29 AU

Year: 14690 Days

Day: 15.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 64,828,153 km

• M1: 44,131 km (0.101 R)
• M2: 170,093 km (0.107 R)
• M3: 427,700 km (0.064 R)
• M4: 905,965 km (0.078 R)
• M5: 1,559,109 km (0.074 R)
• M6: 1,792,781 km (0.064 R)
• M7: 2,435,753 km (0.112 R)
• M8: 2,680,794 km (0.043 R)
• M9: 3,272,154 km (0.063 R)
• M10: 3,798,440 km (0.045 R)
• M11: 4,189,788 km (0.119 R)
• M12: 4,574,254 km (0.08 R)
• M13: 5,016,765 km (0.12 R)
• M14: 5,194,337 km (0.118 R)
• M15: 6,769,603 km (0.066 R)
• M16: 7,480,193 km (0.076 R)
• M17: 7,901,012 km (0.079 R)
• M18: 8,738,760 km (0.077 R)
• M19: 9,853,114 km (0.051 R)
• M20: 15,039,523 km (0.118 R)
• M21: 15,633,426 km (0.112 R)
• M22: 20,234,608 km (0.08 R)
• M23: 23,823,461 km (0.114 R)
• M24: 24,123,704 km (0.067 R)
• M25: 26,295,865 km (0.108 R)
• M26: 27,156,501 km (0.11 R)
• M27: 29,161,263 km (0.083 R)
• M28: 29,389,998 km (0.088 R)
• M29: 32,595,132 km (0.032 R)
• M30: 33,088,955 km (0.092 R)
• M31: 35,114,211 km (0.11 R)
• M32: 40,677,905 km (0.059 R)
• M33: 41,682,904 km (0.111 R)
• M34: 54,542,486 km (0.097 R)
• M35: 55,063,685 km (0.117 R)
• M36: 62,334,291 km (0.036 R)
• M37: 62,903,960 km (0.066 R)
• M38: 64,634,059 km (0.062 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 18,692 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit