🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.9

Radius: 11.1

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.5 AU - 0.52 AU

Year: 243 Days

Day: 9.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,907,575 km

• M1: 138,228 km (0.108 R)
• M2: 485,445 km (0.082 R)
• M3: 865,723 km (0.105 R)
• M4: 1,219,522 km (0.102 R)
• M5: 1,781,411 km (0.103 R)
• M6: 2,158,847 km (0.107 R)
• M7: 2,917,757 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.1

Radius: 13

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.86 AU - 1.38 AU

Year: 790 Days

Day: 8.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,907,575 km

• M1: 165,455 km (0.09 R)
• M2: 620,382 km (0.082 R)
• M3: 1,117,346 km (0.113 R)
• M4: 1,995,037 km (0.073 R)
• M5: 3,265,123 km (0.076 R)
• M6: 3,713,169 km (0.048 R)
• M7: 4,462,953 km (0.113 R)
• M8: 4,927,754 km (0.069 R)
• M9: 5,834,616 km (0.104 R)
• M10: 6,307,046 km (0.081 R)
• M11: 7,929,734 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568

Radius: 8.3

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.46 AU - 1.68 AU

Year: 1312 Days

Day: 7 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,907,575 km

• M1: 103,223 km (0.083 R)
• M2: 367,113 km (0.112 R)
• M3: 649,853 km (0.055 R)
• M4: 914,941 km (0.073 R)
• M5: 1,276,818 km (0.109 R)
• M6: 1,569,730 km (0.066 R)
• M7: 1,989,203 km (0.118 R)
• M8: 2,328,341 km (0.101 R)
• M9: 2,693,061 km (0.065 R)
• M10: 3,491,913 km (0.066 R)
• M11: 3,888,647 km (0.088 R)
• M12: 4,175,426 km (0.09 R)
• M13: 4,848,766 km (0.116 R)
• M14: 5,201,518 km (0.12 R)
• M15: 5,487,848 km (0.097 R)
• M16: 5,980,923 km (0.042 R)
• M17: 8,009,470 km (0.115 R)
• M18: 8,281,439 km (0.109 R)
• M19: 9,017,610 km (0.08 R)
• M20: 11,115,421 km (0.11 R)
• M21: 11,626,298 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.5

Radius: 10

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.67 AU - 2.73 AU

Year: 2176 Days

Day: 13 Hours

Environment

Temp: -214 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,907,575 km

• M1: 124,316 km (0.086 R)
• M2: 1,343,838 km (0.082 R)
• M3: 1,716,336 km (0.046 R)
• M4: 2,120,251 km (0.079 R)
• M5: 3,322,120 km (0.104 R)
• M6: 4,051,858 km (0.11 R)
• M7: 5,133,002 km (0.057 R)
• M8: 5,630,415 km (0.047 R)
• M9: 6,185,722 km (0.112 R)
• M10: 7,001,330 km (0.093 R)
• M11: 7,613,784 km (0.09 R)
• M12: 11,700,349 km (0.072 R)
• M13: 13,161,321 km (0.12 R)
• M14: 14,975,944 km (0.103 R)
• M15: 15,454,358 km (0.025 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.9

Radius: 14.8

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.02 AU - 2.78 AU

Year: 2479 Days

Day: 8.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,907,575 km

• M1: 184,005 km (0.027 R)
• M2: 974,181 km (0.087 R)
• M3: 2,254,590 km (0.113 R)
• M4: 2,738,688 km (0.076 R)
• M5: 4,109,454 km (0.116 R)
• M6: 4,726,694 km (0.074 R)
• M7: 5,621,290 km (0.107 R)

Asteroid Belt

Center: 2.84 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.7

Radius: 12.6

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.78 AU - 3.76 AU

Year: 3943 Days

Day: 5.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,907,575 km

• M1: 156,629 km (0.043 R)
• M2: 910,303 km (0.118 R)
• M3: 1,321,697 km (0.075 R)
• M4: 6,719,188 km (0.117 R)
• M5: 7,989,573 km (0.091 R)
• M6: 12,117,727 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.8

Radius: 9.6

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.95 AU - 4.31 AU

Year: 4612 Days

Day: 9.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 66,907,575 km

• M1: 119,828 km (0.102 R)
• M2: 419,772 km (0.084 R)
• M3: 769,980 km (0.098 R)
• M4: 1,089,372 km (0.104 R)
• M5: 1,466,658 km (0.066 R)
• M6: 2,092,575 km (0.118 R)
• M7: 2,684,085 km (0.057 R)
• M8: 3,402,903 km (0.099 R)
• M9: 4,988,042 km (0.064 R)
• M10: 6,130,371 km (0.058 R)
• M11: 6,578,118 km (0.077 R)
• M12: 7,438,904 km (0.089 R)
• M13: 8,924,710 km (0.073 R)
• M14: 9,461,317 km (0.119 R)
• M15: 9,978,627 km (0.095 R)
• M16: 11,644,848 km (0.067 R)
• M17: 12,662,562 km (0.113 R)
• M18: 13,538,458 km (0.084 R)
• M19: 14,298,864 km (0.093 R)
• M20: 16,579,483 km (0.08 R)
• M21: 18,411,160 km (0.12 R)
• M22: 19,662,097 km (0.11 R)
• M23: 20,636,877 km (0.057 R)
• M24: 21,035,705 km (0.111 R)
• M25: 23,393,666 km (0.119 R)
• M26: 24,710,726 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 914.1

Radius: 3.5

Gravity: 74.62 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 6.29 AU - 9.13 AU

Year: 14276 Days

Day: 20.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 66,907,575 km

• M1: 43,533 km (0.086 R)
• M2: 260,300 km (0.11 R)
• M3: 420,669 km (0.111 R)
• M4: 717,322 km (0.059 R)
• M5: 979,417 km (0.068 R)
• M6: 1,418,936 km (0.114 R)
• M7: 1,795,174 km (0.077 R)
• M8: 2,074,324 km (0.072 R)
• M9: 2,255,188 km (0.077 R)
• M10: 2,381,449 km (0.094 R)
• M11: 4,133,090 km (0.117 R)
• M12: 4,788,029 km (0.077 R)
• M13: 5,434,143 km (0.12 R)
• M14: 5,547,239 km (0.11 R)
• M15: 5,778,218 km (0.078 R)
• M16: 6,300,464 km (0.06 R)
• M17: 6,766,312 km (0.096 R)
• M18: 7,438,156 km (0.111 R)
• M19: 8,809,220 km (0.116 R)
• M20: 9,123,376 km (0.06 R)
• M21: 10,572,231 km (0.044 R)
• M22: 11,660,556 km (0.097 R)
• M23: 11,912,179 km (0.056 R)
• M24: 19,354,225 km (0.118 R)
• M25: 20,334,390 km (0.096 R)
• M26: 21,160,619 km (0.114 R)
• M27: 24,279,585 km (0.044 R)
• M28: 28,591,594 km (0.097 R)
• M29: 28,819,731 km (0.112 R)
• M30: 32,141,551 km (0.042 R)
• M31: 36,239,935 km (0.083 R)
• M32: 37,180,606 km (0.077 R)
• M33: 41,251,463 km (0.077 R)
• M34: 42,721,262 km (0.055 R)
• M35: 45,145,047 km (0.084 R)
• M36: 45,920,862 km (0.102 R)
• M37: 47,658,890 km (0.1 R)
• M38: 57,190,219 km (0.111 R)
• M39: 57,371,083 km (0.049 R)
• M40: 62,782,935 km (0.111 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 168 - 11,557 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit