🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.2

Radius: 13.1

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.77 AU - 1.01 AU

Year: 551 Days

Day: 13.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,779,767 km

• M1: 162,912 km (0.039 R)
• M2: 731,534 km (0.073 R)
• M3: 1,218,175 km (0.074 R)
• M4: 1,790,986 km (0.097 R)
• M5: 2,203,876 km (0.08 R)
• M6: 2,640,552 km (0.077 R)
• M7: 3,393,927 km (0.076 R)
• M8: 4,063,078 km (0.115 R)
• M9: 4,591,607 km (0.09 R)
• M10: 5,615,006 km (0.066 R)
• M11: 6,384,239 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.8

Radius: 14.8

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.31 AU - 1.65 AU

Year: 1181 Days

Day: 8.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,779,767 km

• M1: 208,988 km (0.045 R)
• M2: 1,051,224 km (0.116 R)
• M3: 1,569,880 km (0.038 R)
• M4: 4,110,949 km (0.116 R)
• M5: 4,890,504 km (0.077 R)
• M6: 5,527,641 km (0.064 R)
• M7: 7,511,159 km (0.079 R)
• M8: 9,616,750 km (0.061 R)
• M9: 10,487,559 km (0.114 R)
• M10: 11,873,433 km (0.083 R)
• M11: 12,799,743 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.2

Radius: 13.4

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.2 AU - 1.98 AU

Year: 1315 Days

Day: 13.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,779,767 km

• M1: 166,652 km (0.047 R)
• M2: 661,522 km (0.109 R)
• M3: 1,149,660 km (0.054 R)
• M4: 1,574,368 km (0.102 R)
• M5: 2,551,242 km (0.075 R)
• M6: 3,164,444 km (0.063 R)
• M7: 3,986,484 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.9

Radius: 8.5

Gravity: 10.43 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.38 AU - 2.14 AU

Year: 1532 Days

Day: 6.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,779,767 km

• M1: 105,915 km (0.085 R)
• M2: 388,655 km (0.092 R)
• M3: 818,001 km (0.117 R)
• M4: 1,719,927 km (0.092 R)
• M5: 2,094,370 km (0.11 R)
• M6: 2,483,773 km (0.068 R)
• M7: 3,008,413 km (0.086 R)
• M8: 3,297,436 km (0.12 R)
• M9: 3,689,233 km (0.07 R)
• M10: 4,185,300 km (0.041 R)
• M11: 4,805,981 km (0.071 R)
• M12: 7,746,028 km (0.099 R)
• M13: 8,741,452 km (0.11 R)
• M14: 10,737,238 km (0.092 R)
• M15: 12,162,008 km (0.088 R)
• M16: 12,702,804 km (0.102 R)
• M17: 14,125,330 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.8

Radius: 14.1

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4 AU - 5.52 AU

Year: 6813 Days

Day: 5.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,779,767 km

• M1: 175,478 km (0.098 R)
• M2: 711,787 km (0.117 R)
• M3: 1,345,932 km (0.049 R)
• M4: 1,933,104 km (0.112 R)
• M5: 2,382,795 km (0.09 R)
• M6: 3,086,354 km (0.112 R)
• M7: 3,731,868 km (0.097 R)
• M8: 4,306,923 km (0.089 R)
• M9: 5,175,638 km (0.116 R)
• M10: 6,124,686 km (0.081 R)
• M11: 8,619,829 km (0.083 R)
• M12: 10,620,701 km (0.085 R)
• M13: 11,267,113 km (0.09 R)
• M14: 11,939,705 km (0.113 R)
• M15: 12,420,962 km (0.039 R)
• M16: 17,152,144 km (0.083 R)
• M17: 18,606,534 km (0.057 R)
• M18: 23,881,505 km (0.098 R)
• M19: 24,561,128 km (0.094 R)
• M20: 26,227,199 km (0.09 R)
• M21: 30,770,487 km (0.061 R)
• M22: 32,085,901 km (0.073 R)
• M23: 33,018,344 km (0.062 R)
• M24: 36,592,238 km (0.119 R)
• M25: 38,879,589 km (0.059 R)
• M26: 39,466,013 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 168.3

Radius: 4.6

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 5.44 AU - 6.92 AU

Year: 10078 Days

Day: 17.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,779,767 km

• M1: 57,745 km (0.112 R)
• M2: 1,053,468 km (0.035 R)
• M3: 1,393,355 km (0.073 R)
• M4: 2,210,009 km (0.112 R)
• M5: 4,292,412 km (0.066 R)
• M6: 5,753,684 km (0.093 R)
• M7: 7,063,563 km (0.11 R)
• M8: 11,253,051 km (0.094 R)
• M9: 20,935,624 km (0.104 R)
• M10: 24,995,411 km (0.043 R)
• M11: 25,963,758 km (0.103 R)
• M12: 26,956,938 km (0.103 R)
• M13: 27,124,787 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.8

Radius: 5.6

Gravity: 9.53 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 9.36 AU - 10.86 AU

Year: 21088 Days

Day: 18.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,779,767 km

• M1: 69,713 km (0.117 R)
• M2: 937,081 km (0.114 R)
• M3: 2,138,352 km (0.116 R)
• M4: 3,118,667 km (0.089 R)
• M5: 4,036,151 km (0.052 R)
• M6: 5,806,043 km (0.064 R)
• M7: 11,421,049 km (0.083 R)
• M8: 13,226,696 km (0.091 R)
• M9: 16,619,426 km (0.11 R)
• M10: 17,948,005 km (0.117 R)
• M11: 18,433,300 km (0.1 R)
• M12: 18,761,667 km (0.047 R)
• M13: 19,770,406 km (0.099 R)
• M14: 29,845,673 km (0.115 R)
• M15: 32,991,866 km (0.094 R)
• M16: 39,118,347 km (0.1 R)
• M17: 45,065,461 km (0.058 R)
• M18: 59,779,758 km (0.083 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: 185 - 10,256 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit