🌌 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: 211.4

Radius: 11.4

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.56 AU - 0.74 AU

Year: 368 Days

Day: 11.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,213,581 km

• M1: 141,819 km (0.1 R)
• M2: 383,719 km (0.081 R)
• M3: 684,560 km (0.092 R)
• M4: 955,332 km (0.086 R)
• M5: 1,179,878 km (0.05 R)
• M6: 1,725,013 km (0.105 R)
• M7: 2,043,208 km (0.11 R)
• M8: 2,269,699 km (0.109 R)
• M9: 2,543,313 km (0.075 R)
• M10: 2,894,569 km (0.069 R)
• M11: 3,185,238 km (0.026 R)
• M12: 3,402,604 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.1

Radius: 14.3

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.02 AU - 1.44 AU

Year: 959 Days

Day: 5.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,213,581 km

• M1: 179,069 km (0.114 R)
• M2: 540,048 km (0.083 R)
• M3: 1,179,878 km (0.078 R)
• M4: 1,562,699 km (0.051 R)
• M5: 2,015,383 km (0.111 R)
• M6: 2,541,219 km (0.088 R)
• M7: 2,872,728 km (0.079 R)
• M8: 3,723,192 km (0.109 R)
• M9: 4,440,663 km (0.096 R)
• M10: 4,817,650 km (0.112 R)
• M11: 5,277,813 km (0.11 R)
• M12: 6,088,185 km (0.078 R)
• M13: 6,880,754 km (0.119 R)
• M14: 7,351,688 km (0.115 R)
• M15: 7,970,874 km (0.098 R)
• M16: 8,650,497 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.2

Radius: 13.9

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.7 AU - 2 AU

Year: 1769 Days

Day: 12.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,213,581 km

• M1: 175,927 km (0.073 R)
• M2: 789,278 km (0.095 R)
• M3: 1,057,208 km (0.083 R)
• M4: 1,609,224 km (0.072 R)
• M5: 2,436,800 km (0.071 R)
• M6: 2,979,242 km (0.104 R)
• M7: 3,927,542 km (0.085 R)
• M8: 4,444,254 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.7

Radius: 10.7

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.65 AU - 4.15 AU

Year: 4407 Days

Day: 5.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 39,213,581 km

• M1: 133,142 km (0.116 R)
• M2: 484,548 km (0.112 R)
• M3: 1,058,405 km (0.034 R)
• M4: 1,322,445 km (0.032 R)
• M5: 1,730,698 km (0.117 R)
• M6: 1,964,818 km (0.086 R)
• M7: 2,231,252 km (0.106 R)
• M8: 2,464,176 km (0.028 R)
• M9: 2,709,517 km (0.061 R)
• M10: 2,985,824 km (0.102 R)
• M11: 4,008,625 km (0.106 R)
• M12: 7,013,148 km (0.11 R)
• M13: 7,249,962 km (0.109 R)
• M14: 7,766,224 km (0.118 R)
• M15: 8,754,318 km (0.029 R)
• M16: 10,837,468 km (0.05 R)
• M17: 11,619,715 km (0.092 R)
• M18: 12,547,671 km (0.107 R)
• M19: 12,984,946 km (0.038 R)
• M20: 13,226,696 km (0.048 R)
• M21: 13,593,510 km (0.079 R)
• M22: 14,090,474 km (0.057 R)
• M23: 18,630,171 km (0.108 R)
• M24: 22,678,888 km (0.111 R)
• M25: 24,686,790 km (0.084 R)
• M26: 26,091,963 km (0.083 R)
• M27: 26,320,399 km (0.118 R)
• M28: 26,607,477 km (0.057 R)
• M29: 27,069,884 km (0.083 R)
• M30: 28,302,720 km (0.098 R)
• M31: 29,806,478 km (0.047 R)
• M32: 31,162,134 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 628.3

Radius: 6.5

Gravity: 14.87 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.05 AU - 6.29 AU

Year: 9490 Days

Day: 24.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,213,581 km

• M1: 428,448 km (0.115 R)
• M2: 1,011,730 km (0.103 R)
• M3: 1,735,784 km (0.118 R)
• M4: 2,313,381 km (0.062 R)
• M5: 2,842,060 km (0.095 R)
• M6: 3,550,556 km (0.1 R)
• M7: 7,264,024 km (0.092 R)
• M8: 8,381,969 km (0.118 R)
• M9: 10,210,354 km (0.1 R)
• M10: 11,349,542 km (0.118 R)
• M11: 12,220,500 km (0.12 R)
• M12: 12,360,973 km (0.062 R)
• M13: 19,934,664 km (0.09 R)
• M14: 21,766,341 km (0.072 R)
• M15: 26,492,137 km (0.055 R)
• M16: 27,255,236 km (0.055 R)
• M17: 31,834,277 km (0.111 R)
• M18: 32,061,217 km (0.12 R)
• M19: 32,441,345 km (0.064 R)
• M20: 35,722,326 km (0.111 R)
• M21: 42,846,925 km (0.097 R)
• M22: 44,438,945 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 326.5

Radius: 7.5

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.59 AU - 7.63 AU

Year: 10616 Days

Day: 20.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 39,213,581 km

• M1: 93,349 km (0.115 R)
• M2: 458,966 km (0.111 R)
• M3: 1,076,057 km (0.077 R)
• M4: 1,556,267 km (0.104 R)
• M5: 2,332,231 km (0.098 R)
• M6: 2,906,088 km (0.052 R)
• M7: 3,662,006 km (0.105 R)
• M8: 4,073,700 km (0.058 R)
• M9: 4,613,299 km (0.107 R)
• M10: 6,885,092 km (0.101 R)
• M11: 8,318,539 km (0.094 R)
• M12: 8,462,303 km (0.12 R)
• M13: 8,607,113 km (0.101 R)
• M14: 10,164,278 km (0.08 R)
• M15: 10,971,209 km (0.095 R)
• M16: 11,302,718 km (0.103 R)
• M17: 13,169,849 km (0.049 R)
• M18: 15,132,273 km (0.077 R)
• M19: 17,595,103 km (0.087 R)
• M20: 18,067,683 km (0.116 R)
• M21: 18,761,518 km (0.092 R)
• M22: 20,525,426 km (0.107 R)
• M23: 23,260,375 km (0.049 R)
• M24: 23,682,390 km (0.112 R)
• M25: 29,650,896 km (0.113 R)
• M26: 31,649,674 km (0.051 R)
• M27: 32,283,220 km (0.034 R)
• M28: 33,209,531 km (0.11 R)
• M29: 33,713,675 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 237.2

Radius: 5.1

Gravity: 9.12 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 6.17 AU - 7.51 AU

Year: 12575 Days

Day: 19.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,213,581 km

• M1: 283,638 km (0.091 R)
• M2: 685,009 km (0.102 R)
• M3: 1,142,180 km (0.112 R)
• M4: 2,609,136 km (0.068 R)
• M5: 2,917,458 km (0.041 R)
• M6: 3,705,390 km (0.042 R)
• M7: 4,147,900 km (0.11 R)
• M8: 5,926,918 km (0.108 R)
• M9: 6,110,175 km (0.119 R)
• M10: 6,421,788 km (0.096 R)
• M11: 6,644,539 km (0.104 R)
• M12: 6,969,466 km (0.101 R)
• M13: 7,642,955 km (0.101 R)
• M14: 8,275,754 km (0.055 R)
• M15: 11,019,230 km (0.112 R)
• M16: 16,859,830 km (0.037 R)
• M17: 18,007,096 km (0.086 R)
• M18: 22,855,413 km (0.08 R)
• M19: 25,749,833 km (0.104 R)
• M20: 29,153,783 km (0.108 R)
• M21: 34,877,696 km (0.081 R)
• M22: 37,051,802 km (0.102 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 20,281 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit