🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.2

Radius: 12.7

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.47 AU - 0.67 AU

Year: 297 Days

Day: 14.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,812,708 km

• M1: 158,125 km (0.099 R)
• M2: 613,351 km (0.096 R)
• M3: 1,032,674 km (0.095 R)
• M4: 1,522,158 km (0.092 R)
• M5: 1,994,888 km (0.086 R)
• M6: 2,452,208 km (0.056 R)
• M7: 2,920,300 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.1

Radius: 14.7

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.99 AU - 1.19 AU

Year: 786 Days

Day: 11.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,812,708 km

• M1: 182,809 km (0.075 R)
• M2: 860,038 km (0.118 R)
• M3: 1,599,351 km (0.052 R)
• M4: 3,442,845 km (0.065 R)
• M5: 4,129,649 km (0.098 R)
• M6: 4,637,384 km (0.096 R)
• M7: 6,187,368 km (0.119 R)
• M8: 7,081,664 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.9

Radius: 13.5

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1 AU - 1.34 AU

Year: 874 Days

Day: 12.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,812,708 km

• M1: 167,998 km (0.049 R)
• M2: 759,209 km (0.11 R)
• M3: 1,803,851 km (0.069 R)
• M4: 2,507,859 km (0.1 R)
• M5: 3,632,984 km (0.052 R)
• M6: 4,548,972 km (0.096 R)
• M7: 5,803,350 km (0.104 R)
• M8: 6,605,344 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.9

Radius: 8

Gravity: 13.55 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.14 AU - 1.24 AU

Year: 896 Days

Day: 5.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,812,708 km

• M1: 99,483 km (0.086 R)
• M2: 391,198 km (0.099 R)
• M3: 957,576 km (0.059 R)
• M4: 1,222,514 km (0.101 R)
• M5: 1,718,580 km (0.071 R)
• M6: 2,003,714 km (0.072 R)
• M7: 2,421,990 km (0.116 R)
• M8: 2,682,888 km (0.12 R)
• M9: 3,069,150 km (0.095 R)
• M10: 3,332,592 km (0.1 R)
• M11: 4,132,492 km (0.084 R)
• M12: 4,702,908 km (0.096 R)
• M13: 5,423,521 km (0.073 R)
• M14: 5,768,943 km (0.116 R)
• M15: 6,731,455 km (0.075 R)
• M16: 7,130,583 km (0.111 R)
• M17: 9,168,405 km (0.094 R)
• M18: 9,659,235 km (0.11 R)
• M19: 10,167,569 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.8

Radius: 13.8

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.97 AU - 1.53 AU

Year: 965 Days

Day: 6.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,812,708 km

• M1: 172,935 km (0.066 R)
• M2: 605,273 km (0.105 R)
• M3: 1,118,543 km (0.084 R)
• M4: 1,717,683 km (0.097 R)
• M5: 2,334,026 km (0.09 R)
• M6: 2,923,142 km (0.073 R)
• M7: 3,374,778 km (0.089 R)
• M8: 4,001,444 km (0.077 R)
• M9: 4,888,858 km (0.115 R)
• M10: 5,350,069 km (0.068 R)
• M11: 6,632,272 km (0.112 R)
• M12: 7,696,212 km (0.089 R)
• M13: 8,539,346 km (0.077 R)
• M14: 9,011,925 km (0.114 R)
• M15: 9,531,180 km (0.117 R)
• M16: 10,378,801 km (0.027 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.6

Radius: 11.8

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.04 AU - 1.48 AU

Year: 976 Days

Day: 11.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,812,708 km

• M1: 146,756 km (0.096 R)
• M2: 591,660 km (0.097 R)
• M3: 1,029,084 km (0.106 R)
• M4: 1,495,530 km (0.101 R)
• M5: 2,324,901 km (0.118 R)
• M6: 3,199,749 km (0.113 R)
• M7: 4,880,481 km (0.108 R)
• M8: 6,008,299 km (0.041 R)
• M9: 6,736,542 km (0.09 R)
• M10: 7,823,520 km (0.074 R)
• M11: 8,342,624 km (0.111 R)
• M12: 9,449,948 km (0.119 R)
• M13: 10,159,939 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 408.4

Radius: 5.1

Gravity: 15.7 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 4.73 AU - 7.07 AU

Year: 9892 Days

Day: 21.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 46,812,708 km

• M1: 64,177 km (0.098 R)
• M2: 337,642 km (0.096 R)
• M3: 734,376 km (0.117 R)
• M4: 1,164,919 km (0.108 R)
• M5: 1,593,965 km (0.081 R)
• M6: 1,807,441 km (0.096 R)
• M7: 2,007,903 km (0.102 R)
• M8: 2,435,453 km (0.051 R)
• M9: 4,162,411 km (0.09 R)
• M10: 4,825,878 km (0.045 R)
• M11: 5,002,254 km (0.085 R)
• M12: 5,557,411 km (0.092 R)
• M13: 6,465,770 km (0.09 R)
• M14: 10,497,133 km (0.112 R)
• M15: 11,045,260 km (0.102 R)
• M16: 12,526,578 km (0.059 R)
• M17: 12,804,231 km (0.115 R)
• M18: 13,897,493 km (0.106 R)
• M19: 14,315,469 km (0.104 R)
• M20: 15,428,627 km (0.106 R)
• M21: 16,399,517 km (0.099 R)
• M22: 16,933,581 km (0.111 R)
• M23: 17,686,807 km (0.117 R)
• M24: 18,677,444 km (0.1 R)
• M25: 19,481,383 km (0.086 R)
• M26: 20,846,314 km (0.077 R)
• M27: 22,031,278 km (0.042 R)
• M28: 22,192,695 km (0.117 R)
• M29: 22,928,417 km (0.106 R)
• M30: 23,680,296 km (0.12 R)
• M31: 24,105,004 km (0.079 R)
• M32: 24,362,312 km (0.032 R)
• M33: 27,500,726 km (0.101 R)
• M34: 28,159,256 km (0.056 R)
• M35: 29,605,568 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 159.2

Radius: 3.9

Gravity: 10.47 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 8.6 AU - 10.28 AU

Year: 20020 Days

Day: 20.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 46,812,708 km

• M1: 49,367 km (0.062 R)
• M2: 200,162 km (0.066 R)
• M3: 339,886 km (0.094 R)
• M4: 539,749 km (0.114 R)
• M5: 761,752 km (0.12 R)
• M6: 1,482,515 km (0.059 R)
• M7: 1,775,278 km (0.065 R)
• M8: 2,019,272 km (0.032 R)
• M9: 2,634,867 km (0.085 R)
• M10: 2,779,977 km (0.101 R)
• M11: 4,225,242 km (0.116 R)
• M12: 4,482,700 km (0.036 R)
• M13: 6,071,130 km (0.112 R)
• M14: 6,971,261 km (0.107 R)
• M15: 7,453,116 km (0.074 R)
• M16: 8,754,617 km (0.083 R)
• M17: 13,310,471 km (0.097 R)
• M18: 15,544,864 km (0.062 R)
• M19: 16,088,653 km (0.098 R)
• M20: 16,365,109 km (0.066 R)
• M21: 18,465,763 km (0.071 R)
• M22: 20,334,689 km (0.077 R)
• M23: 23,723,380 km (0.114 R)
• M24: 28,869,098 km (0.094 R)
• M25: 31,269,545 km (0.1 R)
• M26: 40,269,652 km (0.107 R)
• M27: 41,293,351 km (0.106 R)
• M28: 42,861,136 km (0.077 R)
• M29: 44,062,557 km (0.059 R)
• M30: 44,468,117 km (0.112 R)
• M31: 44,739,786 km (0.042 R)
• M32: 45,286,417 km (0.093 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 201 - 13,923 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit