🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.7

Radius: 12

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.82 AU - 0.84 AU

Year: 496 Days

Day: 12.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 49,962,253 km

• M1: 149,299 km (0.112 R)
• M2: 528,679 km (0.114 R)
• M3: 902,674 km (0.114 R)
• M4: 1,286,392 km (0.112 R)
• M5: 1,754,633 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.5

Radius: 10.9

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.3 AU - 1.32 AU

Year: 984 Days

Day: 12.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,962,253 km

• M1: 135,536 km (0.115 R)
• M2: 477,965 km (0.1 R)
• M3: 975,378 km (0.113 R)
• M4: 1,747,154 km (0.072 R)
• M5: 2,122,794 km (0.111 R)
• M6: 2,518,480 km (0.107 R)
• M7: 3,001,681 km (0.105 R)
• M8: 3,737,104 km (0.101 R)
• M9: 4,171,985 km (0.101 R)
• M10: 4,605,969 km (0.096 R)
• M11: 5,351,565 km (0.092 R)
• M12: 8,076,041 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.6

Radius: 14.7

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.23 AU - 1.83 AU

Year: 1241 Days

Day: 8.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,962,253 km

• M1: 184,005 km (0.041 R)
• M2: 655,239 km (0.114 R)
• M3: 1,738,477 km (0.087 R)
• M4: 2,221,379 km (0.08 R)
• M5: 3,264,974 km (0.055 R)
• M6: 4,573,057 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.1

Radius: 11.4

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.65 AU - 1.79 AU

Year: 1480 Days

Day: 12.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,962,253 km

• M1: 141,819 km (0.056 R)
• M2: 524,490 km (0.09 R)
• M3: 1,306,139 km (0.118 R)
• M4: 1,776,325 km (0.112 R)
• M5: 2,358,710 km (0.1 R)
• M6: 3,235,054 km (0.092 R)
• M7: 3,594,089 km (0.073 R)
• M8: 4,335,496 km (0.055 R)
• M9: 5,197,928 km (0.085 R)
• M10: 5,578,056 km (0.099 R)
• M11: 6,024,905 km (0.114 R)
• M12: 6,911,122 km (0.115 R)
• M13: 7,371,884 km (0.107 R)
• M14: 8,629,703 km (0.08 R)
• M15: 9,822,147 km (0.105 R)
• M16: 12,100,673 km (0.051 R)
• M17: 13,550,426 km (0.084 R)
• M18: 14,015,675 km (0.095 R)
• M19: 15,203,033 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.7

Radius: 12.8

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.8 AU - 2.54 AU

Year: 2097 Days

Day: 13.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,962,253 km

• M1: 160,519 km (0.111 R)
• M2: 687,103 km (0.095 R)
• M3: 1,128,267 km (0.104 R)
• M4: 1,609,972 km (0.107 R)
• M5: 2,306,201 km (0.114 R)
• M6: 3,212,165 km (0.112 R)
• M7: 4,362,723 km (0.03 R)
• M8: 4,802,241 km (0.083 R)
• M9: 5,434,591 km (0.113 R)
• M10: 8,762,845 km (0.11 R)
• M11: 9,500,811 km (0.115 R)
• M12: 10,499,676 km (0.068 R)
• M13: 11,254,996 km (0.114 R)
• M14: 15,491,458 km (0.119 R)
• M15: 16,924,905 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.6

Radius: 8.8

Gravity: 12.61 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.75 AU - 2.81 AU

Year: 2258 Days

Day: 5.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,962,253 km

• M1: 109,506 km (0.088 R)
• M2: 405,709 km (0.115 R)
• M3: 837,598 km (0.119 R)
• M4: 1,886,579 km (0.117 R)
• M5: 4,011,766 km (0.109 R)
• M6: 4,648,006 km (0.066 R)
• M7: 7,111,284 km (0.12 R)
• M8: 8,741,004 km (0.086 R)
• M9: 13,348,169 km (0.065 R)
• M10: 15,153,217 km (0.084 R)
• M11: 18,722,473 km (0.035 R)
• M12: 19,416,008 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.3

Radius: 9

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.02 AU - 2.64 AU

Year: 2333 Days

Day: 6.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,962,253 km

• M1: 113,694 km (0.106 R)
• M2: 404,513 km (0.097 R)
• M3: 697,874 km (0.092 R)
• M4: 1,036,264 km (0.059 R)
• M5: 1,484,908 km (0.093 R)
• M6: 1,908,719 km (0.1 R)
• M7: 2,760,530 km (0.103 R)
• M8: 3,047,907 km (0.032 R)
• M9: 3,701,351 km (0.119 R)
• M10: 4,245,438 km (0.051 R)
• M11: 4,567,821 km (0.116 R)
• M12: 4,928,352 km (0.055 R)
• M13: 5,446,410 km (0.11 R)
• M14: 6,564,953 km (0.082 R)
• M15: 7,305,612 km (0.074 R)
• M16: 7,949,481 km (0.088 R)
• M17: 8,254,362 km (0.103 R)
• M18: 10,215,739 km (0.092 R)
• M19: 12,387,751 km (0.086 R)
• M20: 12,839,836 km (0.107 R)
• M21: 13,908,264 km (0.104 R)
• M22: 15,127,486 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.4

Radius: 9.9

Gravity: 7.73 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.9 AU - 3.02 AU

Year: 3341 Days

Day: 9.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,962,253 km

• M1: 123,867 km (0.102 R)
• M2: 455,376 km (0.11 R)
• M3: 893,847 km (0.086 R)
• M4: 1,221,616 km (0.101 R)
• M5: 1,653,954 km (0.066 R)
• M6: 2,882,153 km (0.087 R)
• M7: 3,422,949 km (0.071 R)
• M8: 3,840,776 km (0.05 R)
• M9: 4,270,122 km (0.04 R)
• M10: 5,073,761 km (0.068 R)
• M11: 5,591,669 km (0.037 R)
• M12: 6,434,504 km (0.11 R)
• M13: 7,104,852 km (0.112 R)
• M14: 8,024,430 km (0.04 R)
• M15: 8,656,182 km (0.085 R)
• M16: 9,282,997 km (0.039 R)
• M17: 9,821,699 km (0.095 R)
• M18: 10,259,422 km (0.088 R)
• M19: 10,668,722 km (0.114 R)
• M20: 11,917,415 km (0.086 R)
• M21: 13,944,616 km (0.107 R)
• M22: 16,301,830 km (0.027 R)
• M23: 18,429,560 km (0.099 R)
• M24: 18,973,947 km (0.102 R)
• M25: 19,779,082 km (0.064 R)
• M26: 20,094,734 km (0.038 R)
• M27: 21,857,894 km (0.075 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402

Radius: 10.5

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.92 AU - 5.7 AU

Year: 6920 Days

Day: 11.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,962,253 km

• M1: 137,032 km (0.085 R)
• M2: 521,049 km (0.11 R)
• M3: 983,307 km (0.096 R)
• M4: 2,365,292 km (0.102 R)
• M5: 2,923,142 km (0.104 R)
• M6: 4,229,581 km (0.029 R)
• M7: 4,972,484 km (0.114 R)
• M8: 5,533,775 km (0.119 R)
• M9: 7,510,561 km (0.073 R)
• M10: 7,837,582 km (0.118 R)
• M11: 8,174,327 km (0.083 R)
• M12: 9,038,255 km (0.097 R)
• M13: 10,446,868 km (0.112 R)
• M14: 11,559,427 km (0.115 R)
• M15: 12,394,184 km (0.043 R)
• M16: 13,964,662 km (0.066 R)
• M17: 14,628,577 km (0.065 R)
• M18: 14,968,464 km (0.117 R)
• M19: 15,900,309 km (0.064 R)
• M20: 17,751,433 km (0.103 R)
• M21: 20,157,266 km (0.1 R)
• M22: 21,438,123 km (0.107 R)
• M23: 23,383,194 km (0.06 R)
• M24: 25,688,198 km (0.114 R)
• M25: 26,684,969 km (0.087 R)
• M26: 27,793,639 km (0.088 R)
• M27: 31,303,953 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 710.7

Radius: 3.4

Gravity: 61.48 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 5.13 AU - 7.53 AU

Year: 10448 Days

Day: 17.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,962,253 km

• M1: 42,336 km (0.081 R)
• M2: 182,210 km (0.105 R)
• M3: 395,537 km (0.111 R)
• M4: 1,444,816 km (0.05 R)
• M5: 1,662,780 km (0.051 R)
• M6: 1,969,905 km (0.102 R)
• M7: 2,935,709 km (0.087 R)
• M8: 5,225,154 km (0.057 R)
• M9: 5,460,173 km (0.108 R)
• M10: 6,625,390 km (0.091 R)
• M11: 8,668,897 km (0.054 R)
• M12: 8,903,317 km (0.112 R)
• M13: 10,036,372 km (0.089 R)
• M14: 10,347,086 km (0.032 R)
• M15: 12,763,840 km (0.08 R)
• M16: 13,006,188 km (0.064 R)
• M17: 16,512,912 km (0.107 R)
• M18: 27,667,378 km (0.082 R)
• M19: 28,896,474 km (0.098 R)
• M20: 34,527,338 km (0.109 R)
• M21: 43,521,761 km (0.105 R)
• M22: 43,932,855 km (0.114 R)
• M23: 45,321,722 km (0.074 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 19,926 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit