🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.3

Radius: 14.5

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.69 AU - 0.97 AU

Year: 488 Days

Day: 14.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,782,201 km

• M1: 180,265 km (0.039 R)
• M2: 674,238 km (0.041 R)
• M3: 1,131,110 km (0.098 R)
• M4: 1,687,763 km (0.05 R)
• M5: 2,262,219 km (0.068 R)
• M6: 2,755,742 km (0.108 R)
• M7: 3,573,893 km (0.1 R)
• M8: 4,041,087 km (0.063 R)
• M9: 4,521,446 km (0.115 R)
• M10: 4,980,562 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.3

Radius: 11.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.37 AU - 2.27 AU

Year: 1585 Days

Day: 9.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,782,201 km

• M1: 154,086 km (0.071 R)
• M2: 620,981 km (0.095 R)
• M3: 1,699,581 km (0.098 R)
• M4: 2,094,819 km (0.034 R)
• M5: 2,734,051 km (0.119 R)
• M6: 3,151,878 km (0.083 R)
• M7: 3,963,895 km (0.096 R)
• M8: 5,570,426 km (0.111 R)
• M9: 6,002,016 km (0.102 R)
• M10: 7,134,771 km (0.118 R)
• M11: 8,179,264 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.6

Radius: 10.4

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.91 AU - 2.23 AU

Year: 1923 Days

Day: 6.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,782,201 km

• M1: 129,402 km (0.093 R)
• M2: 670,647 km (0.119 R)
• M3: 1,013,226 km (0.08 R)
• M4: 1,697,637 km (0.084 R)
• M5: 2,028,846 km (0.038 R)
• M6: 2,874,224 km (0.088 R)
• M7: 3,448,381 km (0.084 R)
• M8: 3,831,501 km (0.104 R)
• M9: 5,268,837 km (0.105 R)
• M10: 5,779,115 km (0.069 R)
• M11: 6,193,950 km (0.102 R)
• M12: 6,740,282 km (0.107 R)
• M13: 7,558,881 km (0.087 R)
• M14: 9,032,271 km (0.051 R)
• M15: 9,535,069 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.5

Radius: 11.7

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.28 AU - 2.32 AU

Year: 2252 Days

Day: 6.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,782,201 km

• M1: 145,559 km (0.046 R)
• M2: 540,348 km (0.088 R)
• M3: 959,970 km (0.111 R)
• M4: 1,453,643 km (0.101 R)
• M5: 1,900,342 km (0.06 R)
• M6: 2,582,358 km (0.066 R)
• M7: 3,090,991 km (0.059 R)
• M8: 3,650,188 km (0.097 R)
• M9: 4,763,196 km (0.025 R)
• M10: 5,327,629 km (0.071 R)
• M11: 6,590,983 km (0.117 R)
• M12: 7,495,302 km (0.053 R)
• M13: 10,610,379 km (0.071 R)
• M14: 11,102,406 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.7

Radius: 15

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.82 AU - 4.28 AU

Year: 4319 Days

Day: 11.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,782,201 km

• M1: 187,446 km (0.039 R)
• M2: 1,110,465 km (0.053 R)
• M3: 2,296,627 km (0.114 R)
• M4: 3,089,196 km (0.098 R)
• M5: 4,261,744 km (0.075 R)
• M6: 5,713,891 km (0.098 R)
• M7: 6,477,438 km (0.096 R)
• M8: 7,509,514 km (0.069 R)
• M9: 8,912,892 km (0.109 R)
• M10: 13,607,572 km (0.091 R)
• M11: 15,353,828 km (0.076 R)
• M12: 21,143,565 km (0.069 R)
• M13: 21,625,569 km (0.064 R)
• M14: 25,054,651 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.2

Radius: 11.8

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.5 AU - 4.16 AU

Year: 4840 Days

Day: 7.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,782,201 km

• M1: 149,747 km (0.077 R)
• M2: 866,770 km (0.111 R)
• M3: 1,542,653 km (0.098 R)
• M4: 2,127,731 km (0.092 R)
• M5: 2,840,864 km (0.103 R)
• M6: 3,554,745 km (0.118 R)
• M7: 4,472,378 km (0.028 R)
• M8: 5,364,729 km (0.099 R)
• M9: 5,906,872 km (0.052 R)
• M10: 6,542,214 km (0.088 R)
• M11: 7,501,436 km (0.071 R)
• M12: 8,348,160 km (0.07 R)
• M13: 9,257,266 km (0.104 R)
• M14: 9,735,979 km (0.034 R)
• M15: 10,985,271 km (0.106 R)
• M16: 12,251,018 km (0.102 R)
• M17: 12,783,587 km (0.115 R)
• M18: 13,564,637 km (0.111 R)
• M19: 14,086,734 km (0.112 R)
• M20: 14,770,546 km (0.052 R)
• M21: 17,673,343 km (0.092 R)
• M22: 19,949,175 km (0.06 R)
• M23: 20,624,909 km (0.109 R)
• M24: 21,062,782 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.9

Radius: 9.5

Gravity: 9.16 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.13 AU - 5.15 AU

Year: 5439 Days

Day: 6 Hours

Environment

Temp: -221 °C

Axial Tilt: 123.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,782,201 km

• M1: 118,930 km (0.1 R)
• M2: 504,145 km (0.074 R)
• M3: 919,279 km (0.083 R)
• M4: 1,392,158 km (0.103 R)
• M5: 4,056,496 km (0.083 R)
• M6: 5,022,001 km (0.082 R)
• M7: 7,042,769 km (0.113 R)
• M8: 8,039,390 km (0.068 R)
• M9: 10,680,091 km (0.076 R)
• M10: 12,350,052 km (0.091 R)
• M11: 14,760,822 km (0.116 R)
• M12: 18,261,711 km (0.119 R)
• M13: 18,734,889 km (0.1 R)
• M14: 21,598,043 km (0.069 R)
• M15: 23,847,845 km (0.113 R)
• M16: 27,464,673 km (0.12 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.8

Radius: 8.3

Gravity: 13.53 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.66 AU - 6.52 AU

Year: 8534 Days

Day: 11.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 47,782,201 km

• M1: 105,766 km (0.071 R)
• M2: 376,687 km (0.109 R)
• M3: 960,718 km (0.114 R)
• M4: 1,403,527 km (0.11 R)
• M5: 2,824,109 km (0.104 R)
• M6: 3,365,354 km (0.101 R)
• M7: 5,343,187 km (0.093 R)
• M8: 5,781,509 km (0.105 R)
• M9: 8,035,799 km (0.08 R)
• M10: 8,342,624 km (0.05 R)
• M11: 9,073,260 km (0.06 R)
• M12: 10,197,339 km (0.069 R)
• M13: 11,139,805 km (0.069 R)
• M14: 12,139,119 km (0.069 R)
• M15: 12,543,482 km (0.039 R)
• M16: 12,837,741 km (0.091 R)
• M17: 13,257,513 km (0.073 R)
• M18: 15,766,269 km (0.037 R)
• M19: 18,574,969 km (0.111 R)
• M20: 19,267,607 km (0.086 R)
• M21: 20,137,369 km (0.057 R)
• M22: 22,297,114 km (0.1 R)
• M23: 22,991,398 km (0.104 R)
• M24: 28,261,880 km (0.114 R)
• M25: 29,075,094 km (0.103 R)
• M26: 31,716,993 km (0.032 R)
• M27: 32,817,135 km (0.12 R)
• M28: 35,678,494 km (0.048 R)
• M29: 38,084,177 km (0.072 R)
• M30: 40,853,084 km (0.104 R)
• M31: 42,418,476 km (0.08 R)
• M32: 44,567,450 km (0.085 R)
• M33: 46,787,931 km (0.033 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 19,993 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit