🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.8

Radius: 10.9

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.47 AU - 0.55 AU

Year: 251 Days

Day: 7.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,645,842 km

• M1: 138,079 km (0.065 R)
• M2: 715,826 km (0.07 R)
• M3: 1,082,490 km (0.096 R)
• M4: 1,691,802 km (0.113 R)
• M5: 2,104,692 km (0.061 R)
• M6: 2,486,317 km (0.119 R)
• M7: 2,896,215 km (0.096 R)
• M8: 3,391,384 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.1

Radius: 12.3

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.49 AU - 0.61 AU

Year: 282 Days

Day: 8.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,645,842 km

• M1: 153,039 km (0.105 R)
• M2: 597,344 km (0.067 R)
• M3: 1,146,219 km (0.062 R)
• M4: 1,561,054 km (0.101 R)
• M5: 2,449,815 km (0.09 R)
• M6: 3,093,385 km (0.04 R)
• M7: 3,483,386 km (0.103 R)
• M8: 3,882,514 km (0.066 R)
• M9: 4,532,815 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.3

Radius: 10.1

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.56 AU - 0.78 AU

Year: 379 Days

Day: 9.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,645,842 km

• M1: 125,662 km (0.117 R)
• M2: 464,950 km (0.07 R)
• M3: 811,269 km (0.057 R)
• M4: 1,361,640 km (0.055 R)
• M5: 1,881,792 km (0.109 R)
• M6: 2,380,850 km (0.099 R)
• M7: 2,890,530 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.4

Radius: 9.7

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.72 AU - 1.14 AU

Year: 619 Days

Day: 14.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,645,842 km

• M1: 123,418 km (0.116 R)
• M2: 983,307 km (0.057 R)
• M3: 1,383,032 km (0.118 R)
• M4: 1,706,014 km (0.101 R)
• M5: 2,031,240 km (0.053 R)
• M6: 2,779,229 km (0.046 R)
• M7: 4,540,894 km (0.068 R)
• M8: 5,066,581 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54

Radius: 9.2

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.79 AU - 1.17 AU

Year: 670 Days

Day: 10 Hours

Environment

Temp: -178 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 42,645,842 km

• M1: 114,592 km (0.096 R)
• M2: 825,331 km (0.101 R)
• M3: 1,209,050 km (0.115 R)
• M4: 2,566,052 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.5

Radius: 13.6

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.93 AU - 1.21 AU

Year: 764 Days

Day: 7.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,645,842 km

• M1: 169,494 km (0.072 R)
• M2: 709,842 km (0.047 R)
• M3: 1,340,846 km (0.079 R)
• M4: 1,839,904 km (0.113 R)
• M5: 2,310,988 km (0.11 R)
• M6: 3,166,837 km (0.116 R)
• M7: 3,920,212 km (0.034 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.5

Radius: 13.3

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.29 AU - 1.97 AU

Year: 1436 Days

Day: 12.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,645,842 km

• M1: 166,203 km (0.044 R)
• M2: 647,160 km (0.053 R)
• M3: 1,263,204 km (0.09 R)
• M4: 1,712,746 km (0.056 R)
• M5: 3,559,831 km (0.117 R)
• M6: 4,162,710 km (0.053 R)
• M7: 4,752,874 km (0.102 R)
• M8: 6,125,434 km (0.116 R)
• M9: 8,086,812 km (0.102 R)
• M10: 10,066,590 km (0.113 R)
• M11: 10,781,668 km (0.095 R)
• M12: 11,640,210 km (0.114 R)
• M13: 13,944,466 km (0.035 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.5

Radius: 10.2

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.48 AU - 2.12 AU

Year: 1667 Days

Day: 12.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,645,842 km

• M1: 126,859 km (0.048 R)
• M2: 553,512 km (0.103 R)
• M3: 898,784 km (0.097 R)
• M4: 1,393,055 km (0.047 R)
• M5: 2,472,254 km (0.095 R)
• M6: 3,133,477 km (0.095 R)
• M7: 3,539,934 km (0.085 R)
• M8: 4,400,272 km (0.118 R)
• M9: 6,202,178 km (0.115 R)
• M10: 6,687,623 km (0.052 R)
• M11: 7,851,195 km (0.095 R)
• M12: 8,237,308 km (0.107 R)
• M13: 9,373,354 km (0.093 R)
• M14: 9,876,302 km (0.077 R)
• M15: 12,666,601 km (0.113 R)
• M16: 13,916,791 km (0.089 R)
• M17: 14,572,029 km (0.032 R)
• M18: 15,616,372 km (0.069 R)

Planet 9 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618

Radius: 9.6

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.78 AU - 2.8 AU

Year: 2392 Days

Day: 10.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,645,842 km

• M1: 119,379 km (0.089 R)
• M2: 427,401 km (0.091 R)
• M3: 1,519,017 km (0.082 R)
• M4: 2,243,669 km (0.041 R)
• M5: 3,068,851 km (0.117 R)
• M6: 4,163,159 km (0.109 R)
• M7: 4,510,077 km (0.091 R)
• M8: 4,854,301 km (0.108 R)
• M9: 5,547,388 km (0.099 R)
• M10: 6,384,388 km (0.086 R)
• M11: 6,847,244 km (0.05 R)
• M12: 8,993,375 km (0.038 R)
• M13: 9,505,897 km (0.107 R)
• M14: 13,259,757 km (0.07 R)
• M15: 14,843,998 km (0.073 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.7

Radius: 8.9

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 4.14 AU - 6.2 AU

Year: 8114 Days

Day: 12.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,645,842 km

• M1: 111,301 km (0.12 R)
• M2: 440,865 km (0.079 R)
• M3: 791,373 km (0.074 R)
• M4: 1,225,057 km (0.091 R)
• M5: 2,712,209 km (0.081 R)
• M6: 3,106,998 km (0.073 R)
• M7: 5,556,215 km (0.085 R)
• M8: 9,576,657 km (0.12 R)
• M9: 9,956,486 km (0.058 R)
• M10: 11,365,848 km (0.095 R)
• M11: 12,450,881 km (0.028 R)
• M12: 15,593,184 km (0.12 R)
• M13: 19,681,096 km (0.117 R)
• M14: 22,548,588 km (0.106 R)
• M15: 23,136,807 km (0.071 R)
• M16: 23,649,179 km (0.098 R)
• M17: 23,994,900 km (0.069 R)
• M18: 25,683,262 km (0.095 R)
• M19: 26,048,580 km (0.103 R)
• M20: 27,640,002 km (0.101 R)
• M21: 28,900,065 km (0.117 R)
• M22: 32,375,822 km (0.094 R)
• M23: 33,448,738 km (0.101 R)
• M24: 41,507,724 km (0.042 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 15,417 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit