🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.9

Radius: 9.1

Gravity: 9.89 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.4 AU - 0.66 AU

Year: 266 Days

Day: 5.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,779,749 km

• M1: 115,789 km (0.063 R)
• M2: 409,150 km (0.084 R)
• M3: 731,534 km (0.067 R)
• M4: 1,467,705 km (0.037 R)
• M5: 1,884,036 km (0.103 R)
• M6: 2,446,823 km (0.052 R)
• M7: 3,076,779 km (0.08 R)
• M8: 3,694,469 km (0.049 R)
• M9: 4,366,612 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.5

Radius: 12.7

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.53 AU - 0.55 AU

Year: 274 Days

Day: 15 Hours

Environment

Temp: -135 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,779,749 km

• M1: 158,275 km (0.113 R)
• M2: 587,920 km (0.093 R)
• M3: 1,001,707 km (0.088 R)
• M4: 1,471,893 km (0.103 R)
• M5: 2,170,366 km (0.081 R)
• M6: 2,576,375 km (0.072 R)
• M7: 3,015,145 km (0.081 R)
• M8: 3,650,038 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.9

Radius: 9.5

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.52 AU - 0.82 AU

Year: 379 Days

Day: 13 Hours

Environment

Temp: -158 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,779,749 km

• M1: 118,182 km (0.039 R)
• M2: 432,039 km (0.089 R)
• M3: 744,848 km (0.105 R)
• M4: 1,316,461 km (0.046 R)
• M5: 1,616,854 km (0.07 R)
• M6: 1,955,992 km (0.049 R)
• M7: 2,722,980 km (0.086 R)
• M8: 4,245,887 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.3

Radius: 12.9

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.08 AU - 1.42 AU

Year: 965 Days

Day: 14.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,779,749 km

• M1: 161,267 km (0.049 R)
• M2: 789,877 km (0.118 R)
• M3: 1,407,417 km (0.115 R)
• M4: 2,086,292 km (0.096 R)
• M5: 3,699,256 km (0.053 R)
• M6: 5,176,834 km (0.099 R)
• M7: 7,312,344 km (0.088 R)
• M8: 8,438,367 km (0.116 R)
• M9: 9,586,531 km (0.106 R)
• M10: 10,609,930 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.6

Radius: 12.8

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.16 AU - 1.88 AU

Year: 1294 Days

Day: 10.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,779,749 km

• M1: 160,070 km (0.093 R)
• M2: 769,980 km (0.094 R)
• M3: 1,168,808 km (0.05 R)
• M4: 1,601,146 km (0.062 R)
• M5: 2,581,760 km (0.089 R)
• M6: 3,878,175 km (0.08 R)
• M7: 5,969,703 km (0.108 R)
• M8: 9,831,123 km (0.111 R)
• M9: 10,992,003 km (0.092 R)
• M10: 12,021,386 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.4

Radius: 12.2

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.71 AU - 2.99 AU

Year: 3321 Days

Day: 11.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,779,749 km

• M1: 151,692 km (0.086 R)
• M2: 623,075 km (0.093 R)
• M3: 2,002,068 km (0.025 R)
• M4: 2,602,554 km (0.064 R)
• M5: 3,765,678 km (0.051 R)
• M6: 4,208,487 km (0.04 R)
• M7: 5,056,109 km (0.117 R)
• M8: 5,571,623 km (0.116 R)
• M9: 6,094,916 km (0.031 R)
• M10: 6,970,962 km (0.097 R)
• M11: 7,362,459 km (0.101 R)
• M12: 8,389,598 km (0.101 R)
• M13: 9,364,677 km (0.067 R)
• M14: 10,569,838 km (0.095 R)
• M15: 11,169,276 km (0.112 R)
• M16: 11,581,269 km (0.111 R)
• M17: 12,003,584 km (0.106 R)
• M18: 16,704,248 km (0.085 R)
• M19: 18,358,351 km (0.118 R)
• M20: 19,698,599 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.6

Radius: 10.4

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.51 AU - 3.95 AU

Year: 4007 Days

Day: 13.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,779,749 km

• M1: 131,497 km (0.068 R)
• M2: 963,410 km (0.088 R)
• M3: 1,653,954 km (0.093 R)
• M4: 2,533,440 km (0.087 R)
• M5: 3,117,021 km (0.049 R)
• M6: 3,863,066 km (0.106 R)
• M7: 4,319,489 km (0.083 R)
• M8: 5,284,395 km (0.052 R)
• M9: 6,259,923 km (0.119 R)
• M10: 6,646,933 km (0.029 R)
• M11: 9,178,577 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.5

Radius: 8.1

Gravity: 12.26 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.85 AU - 5.31 AU

Year: 6766 Days

Day: 5.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 32,779,749 km

• M1: 100,679 km (0.119 R)
• M2: 407,056 km (0.092 R)
• M3: 693,685 km (0.113 R)
• M4: 972,536 km (0.116 R)
• M5: 1,386,473 km (0.095 R)
• M6: 1,642,136 km (0.115 R)
• M7: 1,944,772 km (0.073 R)
• M8: 2,319,216 km (0.061 R)
• M9: 3,367,298 km (0.1 R)
• M10: 4,009,373 km (0.111 R)
• M11: 4,399,973 km (0.073 R)
• M12: 4,702,310 km (0.091 R)
• M13: 6,020,267 km (0.052 R)
• M14: 6,782,468 km (0.099 R)
• M15: 7,299,927 km (0.066 R)
• M16: 8,248,228 km (0.104 R)
• M17: 8,539,645 km (0.092 R)
• M18: 9,187,404 km (0.052 R)
• M19: 9,960,675 km (0.084 R)
• M20: 10,875,466 km (0.088 R)
• M21: 11,226,123 km (0.109 R)
• M22: 13,491,783 km (0.07 R)
• M23: 14,550,039 km (0.113 R)
• M24: 17,436,380 km (0.052 R)
• M25: 18,266,199 km (0.075 R)
• M26: 24,058,629 km (0.033 R)
• M27: 26,864,187 km (0.043 R)
• M28: 27,413,511 km (0.098 R)
• M29: 27,970,314 km (0.116 R)
• M30: 31,673,011 km (0.077 R)
• M31: 33,115,733 km (0.076 R)
• M32: 36,913,275 km (0.098 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.9

Radius: 10.1

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 4.71 AU - 6.35 AU

Year: 8976 Days

Day: 7.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,779,749 km

• M1: 125,662 km (0.103 R)
• M2: 543,938 km (0.079 R)
• M3: 1,320,500 km (0.056 R)
• M4: 2,493,348 km (0.117 R)
• M5: 2,888,286 km (0.092 R)
• M6: 3,647,346 km (0.099 R)
• M7: 5,799,012 km (0.097 R)
• M8: 9,859,098 km (0.084 R)
• M9: 10,667,375 km (0.069 R)
• M10: 14,687,519 km (0.112 R)
• M11: 15,033,240 km (0.078 R)
• M12: 17,608,268 km (0.117 R)
• M13: 21,702,761 km (0.092 R)
• M14: 26,731,494 km (0.098 R)
• M15: 27,770,302 km (0.045 R)
• M16: 29,196,867 km (0.063 R)
• M17: 30,298,356 km (0.083 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 207 - 12,783 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit