🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.3

Radius: 11.2

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.43 AU - 0.71 AU

Year: 302 Days

Day: 5.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,643,327 km

• M1: 139,276 km (0.076 R)
• M2: 539,600 km (0.117 R)
• M3: 974,929 km (0.108 R)
• M4: 1,424,172 km (0.034 R)
• M5: 1,842,298 km (0.065 R)
• M6: 2,365,890 km (0.047 R)
• M7: 3,302,223 km (0.108 R)
• M8: 3,682,202 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.5

Radius: 9.1

Gravity: 11.55 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.55 AU - 0.65 AU

Year: 327 Days

Day: 5.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,643,327 km

• M1: 113,096 km (0.104 R)
• M2: 421,567 km (0.069 R)
• M3: 906,862 km (0.108 R)
• M4: 1,360,443 km (0.075 R)
• M5: 1,733,091 km (0.103 R)
• M6: 2,131,171 km (0.098 R)
• M7: 2,448,319 km (0.103 R)
• M8: 3,429,382 km (0.116 R)
• M9: 3,754,757 km (0.078 R)
• M10: 4,426,003 km (0.1 R)
• M11: 4,739,410 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.2

Radius: 10.9

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.61 AU - 0.71 AU

Year: 377 Days

Day: 6.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,643,327 km

• M1: 135,536 km (0.092 R)
• M2: 498,311 km (0.104 R)
• M3: 890,556 km (0.073 R)
• M4: 1,368,970 km (0.062 R)
• M5: 1,745,508 km (0.055 R)
• M6: 2,106,787 km (0.107 R)
• M7: 2,683,786 km (0.101 R)
• M8: 3,037,435 km (0.09 R)
• M9: 3,434,169 km (0.109 R)
• M10: 3,852,744 km (0.096 R)
• M11: 4,459,064 km (0.046 R)
• M12: 4,852,805 km (0.077 R)
• M13: 5,446,410 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.2

Radius: 12.7

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.84 AU - 1.02 AU

Year: 630 Days

Day: 5.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,643,327 km

• M1: 158,125 km (0.073 R)
• M2: 848,968 km (0.097 R)
• M3: 1,644,529 km (0.118 R)
• M4: 3,242,534 km (0.083 R)
• M5: 3,957,761 km (0.068 R)
• M6: 4,775,762 km (0.045 R)
• M7: 6,412,363 km (0.1 R)
• M8: 6,849,039 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.1

Radius: 8.5

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.56 AU - 3.3 AU

Year: 3525 Days

Day: 8.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,643,327 km

• M1: 105,766 km (0.092 R)
• M2: 417,228 km (0.051 R)
• M3: 996,621 km (0.111 R)
• M4: 1,375,552 km (0.119 R)
• M5: 1,656,796 km (0.097 R)
• M6: 1,963,771 km (0.119 R)
• M7: 2,980,139 km (0.108 R)
• M8: 6,888,234 km (0.076 R)
• M9: 9,709,201 km (0.11 R)
• M10: 10,967,319 km (0.092 R)
• M11: 11,923,997 km (0.095 R)
• M12: 12,935,129 km (0.025 R)
• M13: 13,316,604 km (0.098 R)
• M14: 16,201,001 km (0.088 R)
• M15: 17,153,041 km (0.099 R)
• M16: 17,730,190 km (0.081 R)
• M17: 21,204,601 km (0.109 R)
• M18: 22,892,513 km (0.092 R)
• M19: 23,310,639 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.5

Radius: 8.9

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.45 AU - 3.67 AU

Year: 3763 Days

Day: 7.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,643,327 km

• M1: 112,647 km (0.039 R)
• M2: 702,212 km (0.104 R)
• M3: 1,027,737 km (0.026 R)
• M4: 1,428,510 km (0.115 R)
• M5: 1,910,066 km (0.057 R)
• M6: 2,431,564 km (0.063 R)
• M7: 6,343,698 km (0.116 R)
• M8: 7,066,255 km (0.114 R)
• M9: 9,896,198 km (0.12 R)
• M10: 10,513,290 km (0.086 R)
• M11: 10,974,799 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.9

Radius: 12.1

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.74 AU - 4.3 AU

Year: 4642 Days

Day: 10.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,643,327 km

• M1: 150,495 km (0.114 R)
• M2: 679,623 km (0.088 R)
• M3: 1,659,788 km (0.077 R)
• M4: 2,594,925 km (0.091 R)
• M5: 3,125,548 km (0.075 R)
• M6: 4,156,876 km (0.099 R)
• M7: 5,509,989 km (0.096 R)
• M8: 5,897,298 km (0.039 R)
• M9: 6,422,087 km (0.079 R)
• M10: 7,267,614 km (0.09 R)
• M11: 8,185,995 km (0.092 R)
• M12: 12,085,862 km (0.097 R)
• M13: 13,324,682 km (0.08 R)
• M14: 14,437,391 km (0.084 R)
• M15: 15,556,383 km (0.118 R)
• M16: 19,072,233 km (0.05 R)
• M17: 19,450,566 km (0.079 R)
• M18: 22,311,326 km (0.074 R)
• M19: 23,228,660 km (0.096 R)
• M20: 23,732,954 km (0.119 R)
• M21: 24,614,534 km (0.093 R)
• M22: 25,517,657 km (0.095 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.2

Radius: 13.7

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.69 AU - 5.61 AU

Year: 7048 Days

Day: 9.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,643,327 km

• M1: 171,290 km (0.085 R)
• M2: 744,249 km (0.071 R)
• M3: 1,318,406 km (0.108 R)
• M4: 2,315,925 km (0.101 R)
• M5: 2,795,685 km (0.117 R)
• M6: 3,407,241 km (0.094 R)
• M7: 4,232,722 km (0.092 R)
• M8: 6,937,152 km (0.113 R)
• M9: 8,840,337 km (0.09 R)
• M10: 9,311,570 km (0.095 R)
• M11: 9,799,558 km (0.119 R)
• M12: 10,587,490 km (0.098 R)
• M13: 11,618,519 km (0.114 R)
• M14: 13,880,588 km (0.079 R)
• M15: 21,555,258 km (0.067 R)
• M16: 31,963,081 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 286.2

Radius: 3.2

Gravity: 27.95 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 5.06 AU - 6.62 AU

Year: 9920 Days

Day: 15.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 35,643,327 km

• M1: 39,943 km (0.079 R)
• M2: 177,573 km (0.095 R)
• M3: 303,833 km (0.047 R)
• M4: 467,344 km (0.064 R)
• M5: 838,197 km (0.061 R)
• M6: 1,239,568 km (0.035 R)
• M7: 1,673,402 km (0.118 R)
• M8: 1,902,287 km (0.078 R)
• M9: 2,055,774 km (0.094 R)
• M10: 6,461,282 km (0.062 R)
• M11: 7,885,005 km (0.1 R)
• M12: 8,732,028 km (0.084 R)
• M13: 8,857,840 km (0.059 R)
• M14: 8,984,848 km (0.113 R)
• M15: 11,991,915 km (0.117 R)
• M16: 12,515,358 km (0.071 R)
• M17: 13,053,761 km (0.108 R)
• M18: 15,545,762 km (0.106 R)
• M19: 16,041,978 km (0.083 R)
• M20: 17,527,186 km (0.079 R)
• M21: 17,861,687 km (0.101 R)
• M22: 19,384,593 km (0.051 R)
• M23: 20,618,925 km (0.077 R)
• M24: 21,066,821 km (0.105 R)
• M25: 24,970,278 km (0.075 R)
• M26: 26,605,084 km (0.087 R)
• M27: 33,242,741 km (0.116 R)
• M28: 33,652,191 km (0.095 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 17,375 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit