🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.1

Radius: 12.7

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.61 AU - 0.67 AU

Year: 341 Days

Day: 8.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,784,698 km

• M1: 157,975 km (0.111 R)
• M2: 570,117 km (0.084 R)
• M3: 1,028,635 km (0.112 R)
• M4: 1,478,326 km (0.1 R)
• M5: 1,940,284 km (0.109 R)
• M6: 2,368,882 km (0.104 R)
• M7: 2,880,806 km (0.111 R)
• M8: 3,334,387 km (0.062 R)
• M9: 4,079,983 km (0.072 R)
• M10: 4,793,116 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.2

Radius: 8.7

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.63 AU - 0.69 AU

Year: 358 Days

Day: 14.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,784,698 km

• M1: 110,104 km (0.054 R)
• M2: 438,621 km (0.106 R)
• M3: 777,909 km (0.115 R)
• M4: 1,064,838 km (0.105 R)
• M5: 1,362,837 km (0.086 R)
• M6: 1,653,056 km (0.043 R)
• M7: 2,125,636 km (0.115 R)
• M8: 2,859,563 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165

Radius: 13.3

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.68 AU - 0.7 AU

Year: 382 Days

Day: 6.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 55,784,698 km

• M1: 165,455 km (0.104 R)
• M2: 874,549 km (0.079 R)
• M3: 1,412,353 km (0.091 R)
• M4: 1,863,241 km (0.029 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675

Radius: 13.4

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.77 AU - 1.05 AU

Year: 579 Days

Day: 6.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,784,698 km

• M1: 166,652 km (0.113 R)
• M2: 609,462 km (0.077 R)
• M3: 1,118,842 km (0.058 R)
• M4: 1,612,964 km (0.08 R)
• M5: 2,143,588 km (0.1 R)
• M6: 2,889,782 km (0.106 R)
• M7: 3,336,781 km (0.086 R)
• M8: 3,762,686 km (0.084 R)
• M9: 4,225,093 km (0.076 R)
• M10: 5,147,663 km (0.087 R)
• M11: 5,956,838 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.2

Radius: 10

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.49 AU - 2.21 AU

Year: 1678 Days

Day: 10.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 118.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,784,698 km

• M1: 124,316 km (0.052 R)
• M2: 453,431 km (0.111 R)
• M3: 831,166 km (0.093 R)
• M4: 1,157,439 km (0.069 R)
• M5: 1,849,927 km (0.095 R)
• M6: 2,265,959 km (0.119 R)
• M7: 2,664,338 km (0.091 R)
• M8: 3,123,753 km (0.066 R)
• M9: 3,684,895 km (0.097 R)
• M10: 4,148,648 km (0.077 R)
• M11: 4,807,776 km (0.1 R)
• M12: 5,556,813 km (0.107 R)
• M13: 6,625,091 km (0.103 R)
• M14: 9,600,144 km (0.03 R)
• M15: 10,017,522 km (0.05 R)
• M16: 10,889,079 km (0.12 R)
• M17: 12,327,313 km (0.11 R)
• M18: 12,975,521 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.7

Radius: 11.6

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.66 AU - 2.28 AU

Year: 1844 Days

Day: 7.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,784,698 km

• M1: 144,362 km (0.064 R)
• M2: 720,463 km (0.101 R)
• M3: 1,215,483 km (0.05 R)
• M4: 1,585,737 km (0.107 R)
• M5: 2,511,898 km (0.101 R)
• M6: 3,110,589 km (0.115 R)
• M7: 3,632,984 km (0.069 R)
• M8: 4,287,625 km (0.1 R)
• M9: 6,406,379 km (0.064 R)
• M10: 7,043,217 km (0.093 R)
• M11: 7,665,844 km (0.105 R)
• M12: 8,473,223 km (0.03 R)
• M13: 9,756,474 km (0.108 R)
• M14: 10,155,451 km (0.044 R)
• M15: 11,273,396 km (0.111 R)
• M16: 11,862,214 km (0.074 R)
• M17: 12,588,062 km (0.118 R)
• M18: 13,021,597 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 229.4

Radius: 7.2

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 4.66 AU - 7.6 AU

Year: 10121 Days

Day: 21 Hours

Environment

Temp: -227 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 55,784,698 km

• M1: 89,609 km (0.089 R)
• M2: 326,423 km (0.099 R)
• M3: 670,946 km (0.046 R)
• M4: 1,155,494 km (0.082 R)
• M5: 1,703,471 km (0.052 R)
• M6: 3,018,586 km (0.113 R)
• M7: 3,608,450 km (0.111 R)
• M8: 4,822,138 km (0.047 R)
• M9: 5,657,193 km (0.091 R)
• M10: 6,319,612 km (0.103 R)
• M11: 6,652,767 km (0.065 R)
• M12: 7,138,661 km (0.117 R)
• M13: 7,536,890 km (0.055 R)
• M14: 7,988,227 km (0.1 R)
• M15: 9,322,341 km (0.113 R)
• M16: 9,754,380 km (0.09 R)
• M17: 11,275,341 km (0.049 R)
• M18: 12,016,449 km (0.108 R)
• M19: 14,207,459 km (0.058 R)
• M20: 15,012,894 km (0.099 R)
• M21: 17,095,297 km (0.082 R)
• M22: 17,546,783 km (0.049 R)
• M23: 20,641,065 km (0.104 R)
• M24: 21,005,935 km (0.092 R)
• M25: 23,285,806 km (0.11 R)
• M26: 23,840,515 km (0.035 R)
• M27: 24,404,050 km (0.075 R)
• M28: 26,833,819 km (0.042 R)
• M29: 28,781,434 km (0.051 R)
• M30: 30,537,563 km (0.111 R)
• M31: 32,168,329 km (0.089 R)
• M32: 32,560,276 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456.9

Radius: 5

Gravity: 18.28 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.49 AU - 9.71 AU

Year: 15373 Days

Day: 15 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 55,784,698 km

• M1: 62,233 km (0.081 R)
• M2: 221,704 km (0.108 R)
• M3: 570,865 km (0.03 R)
• M4: 881,580 km (0.112 R)
• M5: 1,075,908 km (0.116 R)
• M6: 1,507,348 km (0.113 R)
• M7: 1,706,164 km (0.1 R)
• M8: 1,974,991 km (0.052 R)
• M9: 3,342,166 km (0.09 R)
• M10: 3,959,108 km (0.117 R)
• M11: 4,309,615 km (0.039 R)
• M12: 5,345,730 km (0.086 R)
• M13: 5,884,432 km (0.063 R)
• M14: 6,498,232 km (0.118 R)
• M15: 6,739,085 km (0.12 R)
• M16: 7,281,228 km (0.062 R)
• M17: 9,900,537 km (0.093 R)
• M18: 10,710,908 km (0.101 R)
• M19: 14,945,126 km (0.05 R)
• M20: 16,009,515 km (0.111 R)
• M21: 17,047,575 km (0.088 R)
• M22: 17,894,149 km (0.085 R)
• M23: 19,421,843 km (0.104 R)
• M24: 20,090,246 km (0.093 R)
• M25: 20,430,132 km (0.062 R)
• M26: 21,472,979 km (0.107 R)
• M27: 23,664,289 km (0.104 R)
• M28: 28,699,304 km (0.113 R)
• M29: 30,561,499 km (0.103 R)
• M30: 36,126,539 km (0.117 R)
• M31: 37,777,202 km (0.047 R)
• M32: 38,035,558 km (0.114 R)
• M33: 38,817,506 km (0.118 R)
• M34: 39,743,367 km (0.082 R)
• M35: 40,279,077 km (0.065 R)
• M36: 42,889,111 km (0.067 R)
• M37: 46,937,828 km (0.109 R)
• M38: 52,027,596 km (0.068 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 13,511 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit