🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492

Radius: 10

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.89 AU - 0.99 AU

Year: 598 Days

Day: 11.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,279,503 km

• M1: 124,316 km (0.072 R)
• M2: 442,660 km (0.113 R)
• M3: 771,775 km (0.113 R)
• M4: 1,267,244 km (0.089 R)
• M5: 1,607,579 km (0.067 R)
• M6: 2,438,744 km (0.103 R)
• M7: 2,754,845 km (0.085 R)
• M8: 3,661,707 km (0.093 R)
• M9: 4,881,229 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.2

Radius: 14.9

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.84 AU - 1.12 AU

Year: 636 Days

Day: 12.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,279,503 km

• M1: 185,352 km (0.115 R)
• M2: 710,440 km (0.079 R)
• M3: 1,207,853 km (0.116 R)
• M4: 1,828,684 km (0.105 R)
• M5: 2,760,829 km (0.061 R)
• M6: 5,255,373 km (0.081 R)
• M7: 6,520,971 km (0.049 R)
• M8: 6,985,323 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.1

Radius: 9.8

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.05 AU - 1.39 AU

Year: 884 Days

Day: 5.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,279,503 km

• M1: 130,001 km (0.108 R)
• M2: 483,351 km (0.087 R)
• M3: 870,061 km (0.026 R)
• M4: 1,244,804 km (0.071 R)
• M5: 1,629,121 km (0.105 R)
• M6: 2,409,274 km (0.047 R)
• M7: 4,199,661 km (0.1 R)
• M8: 4,646,959 km (0.09 R)
• M9: 5,532,129 km (0.093 R)
• M10: 6,015,031 km (0.08 R)
• M11: 6,429,118 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.9

Radius: 10.1

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.6 AU - 1.72 AU

Year: 1403 Days

Day: 6.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,279,503 km

• M1: 125,662 km (0.089 R)
• M2: 843,732 km (0.04 R)
• M3: 1,544,149 km (0.059 R)
• M4: 1,935,348 km (0.031 R)
• M5: 2,492,450 km (0.103 R)
• M6: 2,809,448 km (0.111 R)
• M7: 3,180,301 km (0.118 R)
• M8: 4,036,749 km (0.102 R)
• M9: 4,493,920 km (0.094 R)
• M10: 5,629,966 km (0.041 R)
• M11: 6,201,729 km (0.09 R)
• M12: 7,342,563 km (0.076 R)
• M13: 8,075,891 km (0.088 R)
• M14: 8,460,508 km (0.045 R)
• M15: 8,884,318 km (0.107 R)

Asteroid Belt

Center: 2.34 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.7

Radius: 10.6

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.77 AU - 3.27 AU

Year: 3443 Days

Day: 10.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,279,503 km

• M1: 131,796 km (0.085 R)
• M2: 1,285,195 km (0.08 R)
• M3: 2,315,925 km (0.091 R)
• M4: 3,454,813 km (0.06 R)
• M5: 3,978,705 km (0.104 R)
• M6: 4,471,480 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26

Radius: 12.8

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.14 AU - 4.3 AU

Year: 4707 Days

Day: 7.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,279,503 km

• M1: 159,172 km (0.079 R)
• M2: 640,877 km (0.051 R)
• M3: 1,206,357 km (0.094 R)
• M4: 1,643,931 km (0.102 R)
• M5: 2,261,471 km (0.093 R)
• M6: 3,094,881 km (0.102 R)
• M7: 3,828,060 km (0.073 R)
• M8: 4,570,664 km (0.074 R)
• M9: 6,130,970 km (0.114 R)
• M10: 6,538,474 km (0.067 R)
• M11: 8,379,725 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.8

Radius: 9.9

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.37 AU - 4.17 AU

Year: 4802 Days

Day: 13.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,279,503 km

• M1: 168,746 km (0.105 R)
• M2: 482,304 km (0.045 R)
• M3: 1,099,844 km (0.12 R)
• M4: 1,477,578 km (0.103 R)
• M5: 1,803,702 km (0.087 R)
• M6: 2,547,353 km (0.039 R)
• M7: 4,263,091 km (0.09 R)
• M8: 5,896,849 km (0.092 R)
• M9: 7,234,553 km (0.092 R)
• M10: 8,088,009 km (0.045 R)
• M11: 8,925,757 km (0.055 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 206.3

Radius: 5.3

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 10.09 AU - 10.59 AU

Year: 21812 Days

Day: 18.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 66,279,503 km

• M1: 66,272 km (0.112 R)
• M2: 360,082 km (0.097 R)
• M3: 688,898 km (0.099 R)
• M4: 1,081,742 km (0.061 R)
• M5: 1,382,284 km (0.096 R)
• M6: 1,627,625 km (0.052 R)
• M7: 2,150,021 km (0.049 R)
• M8: 4,694,830 km (0.072 R)
• M9: 5,049,975 km (0.066 R)
• M10: 5,353,659 km (0.069 R)
• M11: 6,338,163 km (0.079 R)
• M12: 7,352,436 km (0.106 R)
• M13: 7,920,459 km (0.064 R)
• M14: 9,045,435 km (0.092 R)
• M15: 9,493,481 km (0.076 R)
• M16: 10,166,671 km (0.088 R)
• M17: 10,760,724 km (0.055 R)
• M18: 11,665,642 km (0.116 R)
• M19: 12,437,417 km (0.117 R)
• M20: 14,481,223 km (0.038 R)
• M21: 15,795,142 km (0.078 R)
• M22: 18,341,148 km (0.113 R)
• M23: 18,737,283 km (0.12 R)
• M24: 26,374,105 km (0.114 R)
• M25: 26,980,425 km (0.115 R)
• M26: 28,642,607 km (0.078 R)
• M27: 29,390,895 km (0.081 R)
• M28: 33,563,479 km (0.029 R)
• M29: 34,997,225 km (0.105 R)
• M30: 37,730,827 km (0.094 R)
• M31: 39,019,164 km (0.111 R)
• M32: 41,547,218 km (0.05 R)
• M33: 43,198,928 km (0.082 R)
• M34: 43,899,944 km (0.075 R)
• M35: 48,115,762 km (0.104 R)
• M36: 48,717,594 km (0.059 R)
• M37: 50,398,625 km (0.12 R)
• M38: 52,276,078 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 335

Radius: 6.6

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 8.16 AU - 13.42 AU

Year: 23251 Days

Day: 17.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,279,503 km

• M1: 82,129 km (0.078 R)
• M2: 323,879 km (0.053 R)
• M3: 712,834 km (0.113 R)
• M4: 985,850 km (0.102 R)
• M5: 1,997,431 km (0.112 R)
• M6: 2,439,492 km (0.099 R)
• M7: 3,489,819 km (0.101 R)
• M8: 5,606,479 km (0.117 R)
• M9: 6,317,668 km (0.082 R)
• M10: 6,911,122 km (0.117 R)
• M11: 8,658,276 km (0.088 R)
• M12: 9,937,338 km (0.064 R)
• M13: 10,390,470 km (0.119 R)
• M14: 10,916,456 km (0.097 R)
• M15: 12,666,901 km (0.066 R)
• M16: 13,402,922 km (0.054 R)
• M17: 13,955,985 km (0.108 R)
• M18: 16,792,660 km (0.112 R)
• M19: 43,673,303 km (0.08 R)
• M20: 47,540,109 km (0.104 R)
• M21: 52,304,502 km (0.077 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 374 - 10,695 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit