🌌 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: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.9

Radius: 9.6

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.49 AU - 0.77 AU

Year: 351 Days

Day: 13.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,963,334 km

• M1: 119,379 km (0.1 R)
• M2: 439,219 km (0.061 R)
• M3: 743,352 km (0.083 R)
• M4: 1,133,054 km (0.034 R)
• M5: 1,511,986 km (0.079 R)
• M6: 2,047,546 km (0.082 R)
• M7: 2,421,690 km (0.092 R)
• M8: 2,897,262 km (0.115 R)
• M9: 3,288,909 km (0.101 R)
• M10: 3,749,222 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.7

Radius: 14.9

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.15 AU - 1.27 AU

Year: 936 Days

Day: 10.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,963,334 km

• M1: 186,549 km (0.106 R)
• M2: 704,756 km (0.116 R)
• M3: 1,223,112 km (0.115 R)
• M4: 2,312,933 km (0.07 R)
• M5: 2,861,059 km (0.052 R)
• M6: 4,274,011 km (0.099 R)
• M7: 5,241,610 km (0.075 R)
• M8: 5,901,935 km (0.109 R)
• M9: 7,537,489 km (0.078 R)
• M10: 9,173,641 km (0.11 R)
• M11: 9,719,822 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.3

Radius: 11.5

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.65 AU - 1.69 AU

Year: 1517 Days

Day: 5.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,963,334 km

• M1: 143,016 km (0.094 R)
• M2: 531,222 km (0.041 R)
• M3: 1,023,997 km (0.046 R)
• M4: 1,744,311 km (0.089 R)
• M5: 2,778,182 km (0.076 R)
• M6: 3,648,842 km (0.118 R)
• M7: 4,284,333 km (0.046 R)
• M8: 5,384,775 km (0.111 R)
• M9: 6,664,735 km (0.07 R)
• M10: 7,117,418 km (0.029 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.6

Radius: 12.5

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.51 AU - 2.51 AU

Year: 2795 Days

Day: 7 Hours

Environment

Temp: -202 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,963,334 km

• M1: 155,432 km (0.114 R)
• M2: 560,543 km (0.071 R)
• M3: 1,093,411 km (0.105 R)
• M4: 1,928,167 km (0.084 R)
• M5: 2,588,642 km (0.095 R)
• M6: 3,231,464 km (0.12 R)
• M7: 3,635,079 km (0.065 R)
• M8: 4,284,932 km (0.077 R)
• M9: 4,967,248 km (0.034 R)
• M10: 5,865,882 km (0.062 R)
• M11: 7,571,747 km (0.109 R)
• M12: 8,697,620 km (0.102 R)
• M13: 11,742,535 km (0.065 R)
• M14: 12,995,866 km (0.115 R)
• M15: 13,418,779 km (0.09 R)
• M16: 14,026,147 km (0.11 R)
• M17: 14,788,198 km (0.03 R)
• M18: 15,672,471 km (0.094 R)
• M19: 16,248,872 km (0.031 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.8

Radius: 12.4

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.96 AU - 3.64 AU

Year: 4214 Days

Day: 9.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,963,334 km

• M1: 154,235 km (0.07 R)
• M2: 654,491 km (0.106 R)
• M3: 1,646,923 km (0.106 R)
• M4: 2,440,240 km (0.037 R)
• M5: 3,302,523 km (0.074 R)
• M6: 4,179,017 km (0.091 R)
• M7: 5,002,104 km (0.056 R)
• M8: 5,439,528 km (0.096 R)
• M9: 6,510,499 km (0.094 R)
• M10: 7,192,067 km (0.099 R)
• M11: 10,322,702 km (0.059 R)
• M12: 10,949,218 km (0.076 R)
• M13: 12,004,631 km (0.082 R)
• M14: 14,113,961 km (0.116 R)
• M15: 14,729,706 km (0.1 R)
• M16: 16,125,454 km (0.117 R)
• M17: 16,572,153 km (0.046 R)
• M18: 17,315,654 km (0.034 R)
• M19: 18,503,013 km (0.086 R)
• M20: 19,116,663 km (0.12 R)
• M21: 19,554,237 km (0.07 R)
• M22: 21,171,839 km (0.091 R)
• M23: 24,015,245 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.8

Radius: 12.8

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 5.2 AU - 5.28 AU

Year: 8432 Days

Day: 12.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,963,334 km

• M1: 159,172 km (0.071 R)
• M2: 642,822 km (0.086 R)
• M3: 1,139,337 km (0.077 R)
• M4: 1,615,208 km (0.076 R)
• M5: 2,084,946 km (0.099 R)
• M6: 2,575,327 km (0.11 R)
• M7: 3,203,638 km (0.104 R)
• M8: 3,956,116 km (0.099 R)
• M9: 4,688,397 km (0.113 R)
• M10: 5,629,517 km (0.05 R)
• M11: 6,129,474 km (0.108 R)
• M12: 7,005,070 km (0.094 R)
• M13: 10,227,707 km (0.1 R)
• M14: 11,657,264 km (0.112 R)
• M15: 14,158,990 km (0.106 R)
• M16: 15,505,371 km (0.107 R)
• M17: 18,114,507 km (0.072 R)
• M18: 20,490,121 km (0.057 R)
• M19: 21,677,031 km (0.076 R)
• M20: 24,187,582 km (0.114 R)
• M21: 25,093,846 km (0.089 R)
• M22: 26,712,046 km (0.098 R)
• M23: 27,413,810 km (0.098 R)
• M24: 29,129,997 km (0.075 R)
• M25: 32,476,950 km (0.109 R)
• M26: 33,884,815 km (0.101 R)
• M27: 34,294,414 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 324

Radius: 6.2

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 8.05 AU - 12.69 AU

Year: 23473 Days

Day: 18.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,963,334 km

• M1: 81,680 km (0.062 R)
• M2: 1,195,437 km (0.097 R)
• M3: 2,175,901 km (0.025 R)
• M4: 3,280,981 km (0.103 R)
• M5: 3,496,252 km (0.047 R)
• M6: 5,063,888 km (0.107 R)
• M7: 9,830,674 km (0.076 R)
• M8: 13,677,733 km (0.095 R)
• M9: 15,179,546 km (0.097 R)
• M10: 17,026,930 km (0.098 R)
• M11: 25,919,177 km (0.097 R)
• M12: 28,319,924 km (0.119 R)
• M13: 30,984,113 km (0.093 R)
• M14: 31,223,469 km (0.056 R)
• M15: 43,463,417 km (0.055 R)
• M16: 55,855,806 km (0.036 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 19,616 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit