🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.6

Radius: 11.5

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.44 AU - 0.64 AU

Year: 265 Days

Day: 11.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 35,774,815 km

• M1: 143,016 km (0.096 R)
• M2: 514,317 km (0.099 R)
• M3: 906,713 km (0.07 R)
• M4: 1,554,920 km (0.069 R)
• M5: 2,185,326 km (0.113 R)
• M6: 3,613,686 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915

Radius: 13.8

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.6 AU - 0.6 AU

Year: 310 Days

Day: 9.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,774,815 km

• M1: 176,974 km (0.098 R)
• M2: 630,555 km (0.026 R)
• M3: 1,065,735 km (0.028 R)
• M4: 1,574,069 km (0.116 R)
• M5: 2,043,806 km (0.114 R)
• M6: 3,146,342 km (0.062 R)
• M7: 3,698,658 km (0.117 R)
• M8: 4,275,657 km (0.07 R)
• M9: 4,970,539 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.2

Radius: 11.8

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.84 AU - 0.9 AU

Year: 541 Days

Day: 13.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 162 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,774,815 km

• M1: 146,756 km (0.113 R)
• M2: 547,678 km (0.099 R)
• M3: 1,221,616 km (0.066 R)
• M4: 1,623,586 km (0.09 R)
• M5: 2,458,342 km (0.061 R)
• M6: 2,850,139 km (0.116 R)
• M7: 3,957,462 km (0.091 R)
• M8: 4,873,151 km (0.093 R)
• M9: 5,907,321 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.5

Radius: 11.7

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.23 AU - 1.65 AU

Year: 1152 Days

Day: 7 Hours

Environment

Temp: -185 °C

Axial Tilt: 60.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,774,815 km

• M1: 145,559 km (0.106 R)
• M2: 572,212 km (0.077 R)
• M3: 1,048,681 km (0.098 R)
• M4: 1,456,335 km (0.062 R)
• M5: 2,066,545 km (0.041 R)
• M6: 2,722,083 km (0.038 R)
• M7: 3,834,941 km (0.087 R)
• M8: 6,837,520 km (0.065 R)
• M9: 7,714,912 km (0.105 R)
• M10: 8,378,378 km (0.109 R)
• M11: 8,989,785 km (0.078 R)
• M12: 9,444,562 km (0.099 R)
• M13: 10,499,227 km (0.093 R)
• M14: 11,106,894 km (0.111 R)
• M15: 12,062,076 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.4

Radius: 8.5

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.31 AU - 2.03 AU

Year: 1439 Days

Day: 7.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,774,815 km

• M1: 105,766 km (0.116 R)
• M2: 403,017 km (0.074 R)
• M3: 757,264 km (0.03 R)
• M4: 1,047,035 km (0.108 R)
• M5: 1,543,252 km (0.086 R)
• M6: 2,092,725 km (0.098 R)
• M7: 2,653,717 km (0.119 R)
• M8: 3,197,056 km (0.067 R)
• M9: 3,717,806 km (0.116 R)
• M10: 4,613,000 km (0.032 R)
• M11: 7,408,236 km (0.12 R)
• M12: 7,712,817 km (0.09 R)
• M13: 8,239,103 km (0.107 R)
• M14: 8,873,547 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.2

Radius: 8.7

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.28 AU - 2.08 AU

Year: 1452 Days

Day: 9.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,774,815 km

• M1: 108,159 km (0.114 R)
• M2: 429,495 km (0.09 R)
• M3: 777,460 km (0.092 R)
• M4: 1,206,507 km (0.101 R)
• M5: 2,272,392 km (0.064 R)
• M6: 3,064,961 km (0.104 R)
• M7: 3,791,558 km (0.109 R)
• M8: 4,096,139 km (0.11 R)
• M9: 4,700,215 km (0.104 R)
• M10: 5,033,370 km (0.095 R)
• M11: 5,809,783 km (0.093 R)
• M12: 7,061,019 km (0.089 R)
• M13: 10,178,490 km (0.045 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.4

Radius: 10.4

Gravity: 8.8 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.89 AU - 2.51 AU

Year: 2176 Days

Day: 12.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 35,774,815 km

• M1: 129,552 km (0.065 R)
• M2: 463,305 km (0.095 R)
• M3: 795,113 km (0.118 R)
• M4: 1,118,693 km (0.114 R)
• M5: 1,766,452 km (0.111 R)
• M6: 2,228,260 km (0.107 R)
• M7: 2,754,396 km (0.113 R)
• M8: 3,172,372 km (0.094 R)
• M9: 4,364,069 km (0.091 R)
• M10: 4,776,510 km (0.059 R)
• M11: 5,629,517 km (0.041 R)
• M12: 5,987,505 km (0.071 R)
• M13: 6,415,355 km (0.079 R)
• M14: 7,636,373 km (0.116 R)
• M15: 8,903,168 km (0.077 R)
• M16: 10,803,509 km (0.097 R)
• M17: 11,848,750 km (0.119 R)
• M18: 12,697,718 km (0.079 R)
• M19: 13,360,586 km (0.11 R)
• M20: 14,093,017 km (0.097 R)
• M21: 15,939,653 km (0.117 R)
• M22: 16,973,823 km (0.029 R)
• M23: 17,507,289 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.7

Radius: 11.4

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 3.99 AU - 5.09 AU

Year: 6451 Days

Day: 14.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,774,815 km

• M1: 144,362 km (0.118 R)
• M2: 1,376,450 km (0.11 R)
• M3: 2,179,791 km (0.079 R)
• M4: 2,742,129 km (0.073 R)
• M5: 3,231,015 km (0.105 R)
• M6: 5,314,764 km (0.117 R)
• M7: 7,863,612 km (0.084 R)
• M8: 8,569,864 km (0.076 R)
• M9: 12,858,685 km (0.073 R)
• M10: 16,697,815 km (0.061 R)
• M11: 17,732,284 km (0.093 R)
• M12: 18,740,424 km (0.093 R)
• M13: 28,405,344 km (0.094 R)
• M14: 29,878,136 km (0.098 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.8

Radius: 10

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 3.96 AU - 5.38 AU

Year: 6730 Days

Day: 13.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,774,815 km

• M1: 124,316 km (0.032 R)
• M2: 473,776 km (0.094 R)
• M3: 802,892 km (0.078 R)
• M4: 1,155,943 km (0.094 R)
• M5: 1,525,599 km (0.073 R)
• M6: 1,843,794 km (0.116 R)
• M7: 2,222,875 km (0.045 R)
• M8: 2,545,707 km (0.051 R)
• M9: 2,919,402 km (0.073 R)
• M10: 3,873,089 km (0.103 R)
• M11: 4,527,430 km (0.081 R)
• M12: 5,342,290 km (0.058 R)
• M13: 5,675,893 km (0.111 R)
• M14: 6,866,542 km (0.058 R)
• M15: 9,824,840 km (0.057 R)
• M16: 10,991,404 km (0.057 R)
• M17: 13,046,430 km (0.105 R)
• M18: 16,591,002 km (0.079 R)
• M19: 19,140,748 km (0.108 R)
• M20: 19,637,413 km (0.102 R)
• M21: 21,254,566 km (0.111 R)
• M22: 24,171,575 km (0.06 R)
• M23: 24,835,640 km (0.059 R)
• M24: 26,989,550 km (0.038 R)
• M25: 28,707,682 km (0.114 R)
• M26: 35,774,835 km (0.113 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 316 - 20,086 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit