🌌 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: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.7

Radius: 8.3

Gravity: 9.39 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.57 AU - 0.75 AU

Year: 358 Days

Day: 10.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,404,461 km

• M1: 103,223 km (0.03 R)
• M2: 397,482 km (0.094 R)
• M3: 698,772 km (0.099 R)
• M4: 958,025 km (0.088 R)
• M5: 1,833,023 km (0.109 R)
• M6: 2,204,325 km (0.119 R)
• M7: 2,596,720 km (0.087 R)
• M8: 2,931,370 km (0.12 R)
• M9: 3,305,963 km (0.053 R)
• M10: 3,908,693 km (0.025 R)
• M11: 4,216,715 km (0.114 R)
• M12: 4,680,917 km (0.038 R)
• M13: 4,954,981 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87

Radius: 10.8

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.62 AU - 0.86 AU

Year: 424 Days

Day: 9.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,404,461 km

• M1: 134,339 km (0.119 R)
• M2: 477,816 km (0.079 R)
• M3: 814,112 km (0.111 R)
• M4: 1,810,284 km (0.118 R)
• M5: 2,173,807 km (0.114 R)
• M6: 2,570,989 km (0.052 R)
• M7: 2,915,214 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.9

Radius: 13.5

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.7 AU - 1.08 AU

Year: 560 Days

Day: 12.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,404,461 km

• M1: 167,998 km (0.065 R)
• M2: 608,115 km (0.107 R)
• M3: 1,055,862 km (0.109 R)
• M4: 1,523,056 km (0.057 R)
• M5: 2,057,719 km (0.066 R)
• M6: 4,848,168 km (0.111 R)
• M7: 6,658,452 km (0.081 R)
• M8: 7,514,301 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483

Radius: 14.8

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.14 AU - 2.5 AU

Year: 2356 Days

Day: 11.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,404,461 km

• M1: 184,155 km (0.035 R)
• M2: 827,725 km (0.069 R)
• M3: 1,554,920 km (0.112 R)
• M4: 2,112,322 km (0.096 R)
• M5: 2,732,106 km (0.099 R)
• M6: 3,438,956 km (0.087 R)
• M7: 4,207,889 km (0.109 R)
• M8: 4,726,994 km (0.118 R)
• M9: 5,751,141 km (0.116 R)
• M10: 6,470,108 km (0.104 R)
• M11: 7,332,240 km (0.102 R)
• M12: 8,516,457 km (0.115 R)
• M13: 9,452,192 km (0.097 R)
• M14: 14,288,541 km (0.115 R)
• M15: 14,916,703 km (0.047 R)
• M16: 16,228,227 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.9

Radius: 8.6

Gravity: 10.14 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.05 AU - 4.49 AU

Year: 5884 Days

Day: 14.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 41,404,461 km

• M1: 107,411 km (0.075 R)
• M2: 379,530 km (0.052 R)
• M3: 907,461 km (0.077 R)
• M4: 1,261,559 km (0.071 R)
• M5: 2,473,002 km (0.059 R)
• M6: 3,012,752 km (0.084 R)
• M7: 3,720,349 km (0.074 R)
• M8: 4,225,392 km (0.098 R)
• M9: 4,748,386 km (0.108 R)
• M10: 5,955,042 km (0.082 R)
• M11: 8,033,705 km (0.084 R)
• M12: 8,590,359 km (0.098 R)
• M13: 9,824,691 km (0.102 R)
• M14: 10,884,891 km (0.079 R)
• M15: 13,394,545 km (0.096 R)
• M16: 14,291,384 km (0.08 R)
• M17: 18,485,061 km (0.113 R)
• M18: 19,525,065 km (0.095 R)
• M19: 22,957,588 km (0.081 R)
• M20: 23,593,080 km (0.106 R)
• M21: 24,650,588 km (0.099 R)
• M22: 27,922,891 km (0.07 R)
• M23: 28,555,690 km (0.045 R)
• M24: 31,086,587 km (0.075 R)
• M25: 31,766,360 km (0.036 R)
• M26: 32,257,938 km (0.081 R)
• M27: 32,854,535 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.3

Radius: 5.5

Gravity: 22.52 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 6.78 AU - 9.02 AU

Year: 14807 Days

Day: 17.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,404,461 km

• M1: 70,610 km (0.108 R)
• M2: 1,073,963 km (0.051 R)
• M3: 1,954,197 km (0.114 R)
• M4: 2,530,298 km (0.057 R)
• M5: 3,953,423 km (0.105 R)
• M6: 5,994,536 km (0.08 R)
• M7: 6,639,004 km (0.093 R)
• M8: 8,112,393 km (0.11 R)
• M9: 8,500,001 km (0.089 R)
• M10: 9,954,242 km (0.063 R)
• M11: 10,740,379 km (0.09 R)
• M12: 12,308,614 km (0.119 R)
• M13: 13,081,436 km (0.108 R)
• M14: 13,412,795 km (0.062 R)
• M15: 14,023,304 km (0.094 R)
• M16: 14,440,533 km (0.106 R)
• M17: 15,593,633 km (0.099 R)
• M18: 19,677,506 km (0.116 R)
• M19: 20,288,463 km (0.109 R)
• M20: 24,822,775 km (0.111 R)
• M21: 32,457,951 km (0.118 R)
• M22: 32,943,246 km (0.106 R)
• M23: 33,310,359 km (0.057 R)
• M24: 41,949,337 km (0.109 R)
• M25: 50,333,400 km (0.107 R)
• M26: 54,147,398 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 148.2

Radius: 5.3

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 8.62 AU - 8.88 AU

Year: 17260 Days

Day: 19 Hours

Environment

Temp: -229 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,404,461 km

• M1: 66,122 km (0.038 R)
• M2: 306,975 km (0.1 R)
• M3: 500,106 km (0.096 R)
• M4: 809,324 km (0.085 R)
• M5: 1,662,182 km (0.12 R)
• M6: 2,245,913 km (0.077 R)
• M7: 3,020,531 km (0.059 R)
• M8: 4,276,106 km (0.077 R)
• M9: 6,868,786 km (0.11 R)
• M10: 18,284,301 km (0.101 R)
• M11: 19,085,696 km (0.111 R)
• M12: 19,532,695 km (0.105 R)
• M13: 22,362,039 km (0.108 R)
• M14: 26,359,594 km (0.099 R)
• M15: 29,603,025 km (0.104 R)
• M16: 30,001,255 km (0.094 R)
• M17: 33,531,914 km (0.08 R)
• M18: 35,062,749 km (0.106 R)
• M19: 36,525,367 km (0.054 R)
• M20: 37,098,626 km (0.104 R)
• M21: 38,263,096 km (0.045 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 18,899 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit