🌌 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: 258.6

Radius: 11.3

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.52 AU - 0.54 AU

Year: 262 Days

Day: 7.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,358,477 km

• M1: 140,472 km (0.105 R)
• M2: 643,869 km (0.092 R)
• M3: 1,056,460 km (0.056 R)
• M4: 1,465,311 km (0.084 R)
• M5: 1,836,463 km (0.118 R)
• M6: 2,408,975 km (0.047 R)
• M7: 2,815,731 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.5

Radius: 13.2

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.49 AU - 0.59 AU

Year: 269 Days

Day: 11.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 43,358,477 km

• M1: 164,558 km (0.113 R)
• M2: 648,357 km (0.114 R)
• M3: 1,368,671 km (0.105 R)
• M4: 2,046,948 km (0.081 R)
• M5: 3,399,761 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.9

Radius: 11.6

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.56 AU - 0.66 AU

Year: 323 Days

Day: 9.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,358,477 km

• M1: 144,362 km (0.079 R)
• M2: 594,652 km (0.07 R)
• M3: 1,228,647 km (0.069 R)
• M4: 1,664,426 km (0.11 R)
• M5: 2,053,081 km (0.048 R)
• M6: 2,494,395 km (0.092 R)
• M7: 2,904,143 km (0.096 R)
• M8: 3,286,665 km (0.072 R)
• M9: 3,680,856 km (0.112 R)
• M10: 4,059,039 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.5

Radius: 11.4

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.82 AU - 1.26 AU

Year: 719 Days

Day: 10.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 77.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,358,477 km

• M1: 141,968 km (0.064 R)
• M2: 624,122 km (0.055 R)
• M3: 1,311,674 km (0.026 R)
• M4: 1,820,157 km (0.109 R)
• M5: 2,174,854 km (0.048 R)
• M6: 2,801,220 km (0.041 R)
• M7: 3,544,572 km (0.073 R)
• M8: 4,015,057 km (0.093 R)
• M9: 4,790,872 km (0.119 R)
• M10: 5,170,402 km (0.116 R)
• M11: 5,835,215 km (0.115 R)
• M12: 6,895,115 km (0.069 R)
• M13: 7,724,336 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847

Radius: 9.5

Gravity: 9.39 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.15 AU - 1.91 AU

Year: 1284 Days

Day: 5.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,358,477 km

• M1: 118,182 km (0.082 R)
• M2: 708,346 km (0.112 R)
• M3: 1,171,351 km (0.097 R)
• M4: 1,769,144 km (0.093 R)
• M5: 2,610,333 km (0.116 R)
• M6: 2,906,387 km (0.107 R)
• M7: 3,567,012 km (0.092 R)
• M8: 3,864,861 km (0.093 R)
• M9: 4,179,316 km (0.116 R)
• M10: 4,702,759 km (0.099 R)
• M11: 5,061,943 km (0.088 R)
• M12: 5,482,463 km (0.109 R)
• M13: 6,274,583 km (0.108 R)
• M14: 6,710,661 km (0.066 R)
• M15: 7,509,215 km (0.113 R)
• M16: 7,807,363 km (0.063 R)
• M17: 8,341,128 km (0.108 R)
• M18: 10,859,160 km (0.068 R)
• M19: 11,667,886 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.3

Radius: 10.1

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.36 AU - 3.56 AU

Year: 3454 Days

Day: 10.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,358,477 km

• M1: 210,783 km (0.063 R)
• M2: 623,075 km (0.103 R)
• M3: 1,307,485 km (0.108 R)
• M4: 1,891,366 km (0.077 R)
• M5: 2,244,267 km (0.069 R)
• M6: 3,056,135 km (0.067 R)
• M7: 3,371,936 km (0.072 R)
• M8: 3,895,678 km (0.1 R)
• M9: 4,962,760 km (0.062 R)
• M10: 5,641,784 km (0.106 R)
• M11: 6,429,866 km (0.115 R)
• M12: 7,941,253 km (0.062 R)
• M13: 9,143,871 km (0.109 R)
• M14: 9,613,010 km (0.088 R)
• M15: 10,977,492 km (0.117 R)
• M16: 11,579,623 km (0.115 R)
• M17: 12,166,196 km (0.12 R)
• M18: 13,005,141 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908

Radius: 14.7

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.81 AU - 5.47 AU

Year: 6779 Days

Day: 11.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,358,477 km

• M1: 182,809 km (0.102 R)
• M2: 792,420 km (0.09 R)
• M3: 1,308,084 km (0.074 R)
• M4: 1,962,126 km (0.072 R)
• M5: 2,473,152 km (0.092 R)
• M6: 3,398,864 km (0.084 R)
• M7: 3,868,751 km (0.101 R)
• M8: 4,883,622 km (0.103 R)
• M9: 5,707,907 km (0.108 R)
• M10: 6,694,804 km (0.07 R)
• M11: 8,833,006 km (0.085 R)
• M12: 9,591,767 km (0.094 R)
• M13: 10,588,986 km (0.087 R)
• M14: 11,189,173 km (0.118 R)
• M15: 11,759,290 km (0.105 R)
• M16: 13,070,665 km (0.031 R)
• M17: 16,178,711 km (0.103 R)
• M18: 21,205,498 km (0.069 R)
• M19: 21,679,574 km (0.092 R)
• M20: 22,160,830 km (0.116 R)
• M21: 27,095,765 km (0.087 R)
• M22: 27,748,311 km (0.037 R)
• M23: 30,065,881 km (0.099 R)
• M24: 32,614,281 km (0.065 R)
• M25: 38,722,212 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 788.1

Radius: 3.7

Gravity: 57.57 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.8 AU - 7.2 AU

Year: 11240 Days

Day: 18 Hours

Environment

Temp: -233 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 43,358,477 km

• M1: 46,076 km (0.058 R)
• M2: 191,784 km (0.106 R)
• M3: 499,806 km (0.093 R)
• M4: 786,586 km (0.086 R)
• M5: 1,236,875 km (0.077 R)
• M6: 1,369,120 km (0.068 R)
• M7: 1,496,128 km (0.07 R)
• M8: 1,960,330 km (0.103 R)
• M9: 2,197,144 km (0.098 R)
• M10: 2,861,358 km (0.112 R)
• M11: 3,239,392 km (0.066 R)
• M12: 4,389,501 km (0.083 R)
• M13: 5,189,999 km (0.099 R)
• M14: 6,706,024 km (0.062 R)
• M15: 8,541,141 km (0.062 R)
• M16: 8,973,778 km (0.112 R)
• M17: 9,987,453 km (0.049 R)
• M18: 11,187,976 km (0.079 R)
• M19: 13,546,686 km (0.057 R)
• M20: 13,740,714 km (0.12 R)
• M21: 14,535,827 km (0.085 R)
• M22: 14,739,130 km (0.082 R)
• M23: 15,290,997 km (0.058 R)
• M24: 15,713,760 km (0.097 R)
• M25: 16,879,277 km (0.083 R)
• M26: 17,255,067 km (0.055 R)
• M27: 19,299,173 km (0.096 R)
• M28: 24,049,204 km (0.095 R)
• M29: 25,201,108 km (0.09 R)
• M30: 25,593,054 km (0.11 R)
• M31: 31,971,309 km (0.104 R)
• M32: 36,017,034 km (0.081 R)
• M33: 39,069,578 km (0.082 R)
• M34: 42,704,807 km (0.086 R)
• M35: 50,019,694 km (0.048 R)
• M36: 50,328,464 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 385.1

Radius: 6.8

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 5.91 AU - 7.27 AU

Year: 11474 Days

Day: 20.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,358,477 km

• M1: 95,443 km (0.053 R)
• M2: 312,510 km (0.111 R)
• M3: 624,870 km (0.063 R)
• M4: 1,139,936 km (0.04 R)
• M5: 2,036,925 km (0.087 R)
• M6: 2,366,638 km (0.105 R)
• M7: 2,980,588 km (0.082 R)
• M8: 4,463,701 km (0.097 R)
• M9: 7,724,935 km (0.056 R)
• M10: 9,431,697 km (0.103 R)
• M11: 14,611,673 km (0.102 R)
• M12: 16,303,924 km (0.117 R)
• M13: 22,407,367 km (0.093 R)
• M14: 24,649,540 km (0.077 R)
• M15: 27,226,962 km (0.063 R)
• M16: 29,574,452 km (0.09 R)
• M17: 33,343,869 km (0.102 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 428 - 19,688 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit