🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.3

Radius: 10.9

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.46 AU - 0.58 AU

Year: 250 Days

Day: 6.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 168.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,668,291 km

• M1: 136,433 km (0.081 R)
• M2: 499,058 km (0.069 R)
• M3: 1,005,746 km (0.109 R)
• M4: 1,357,750 km (0.117 R)
• M5: 2,030,791 km (0.07 R)
• M6: 2,370,977 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.8

Radius: 13.1

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.02 AU - 1.18 AU

Year: 769 Days

Day: 13.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,668,291 km

• M1: 163,062 km (0.089 R)
• M2: 731,085 km (0.053 R)
• M3: 1,617,303 km (0.059 R)
• M4: 2,058,915 km (0.034 R)
• M5: 3,216,803 km (0.049 R)
• M6: 3,766,276 km (0.1 R)
• M7: 4,334,150 km (0.118 R)
• M8: 4,754,520 km (0.074 R)
• M9: 5,218,722 km (0.095 R)
• M10: 5,660,484 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.2

Radius: 14.6

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.63 AU - 2.01 AU

Year: 1637 Days

Day: 7.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,668,291 km

• M1: 183,706 km (0.083 R)
• M2: 710,291 km (0.08 R)
• M3: 1,350,869 km (0.075 R)
• M4: 2,129,974 km (0.083 R)
• M5: 3,501,488 km (0.045 R)
• M6: 4,127,854 km (0.117 R)
• M7: 4,794,313 km (0.074 R)
• M8: 5,345,132 km (0.113 R)
• M9: 6,057,966 km (0.085 R)
• M10: 6,639,004 km (0.112 R)
• M11: 8,034,602 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.7

Radius: 10.3

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.18 AU - 2.92 AU

Year: 2715 Days

Day: 9.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,668,291 km

• M1: 128,056 km (0.091 R)
• M2: 821,143 km (0.101 R)
• M3: 1,414,298 km (0.107 R)
• M4: 2,995,697 km (0.115 R)
• M5: 5,353,061 km (0.116 R)
• M6: 6,241,971 km (0.099 R)
• M7: 8,054,050 km (0.106 R)
• M8: 8,807,874 km (0.096 R)
• M9: 9,643,976 km (0.073 R)
• M10: 10,305,049 km (0.076 R)
• M11: 11,313,040 km (0.109 R)
• M12: 11,717,702 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.7

Radius: 12.3

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.61 AU - 2.99 AU

Year: 3124 Days

Day: 6.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,668,291 km

• M1: 153,039 km (0.106 R)
• M2: 554,260 km (0.084 R)
• M3: 1,158,636 km (0.092 R)
• M4: 1,881,642 km (0.105 R)
• M5: 3,185,387 km (0.069 R)
• M6: 3,921,259 km (0.11 R)
• M7: 4,983,404 km (0.103 R)
• M8: 6,776,634 km (0.062 R)
• M9: 7,214,507 km (0.06 R)
• M10: 7,769,814 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.9

Radius: 13.4

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.29 AU - 3.81 AU

Year: 3552 Days

Day: 13.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,668,291 km

• M1: 166,652 km (0.051 R)
• M2: 612,304 km (0.096 R)
• M3: 1,305,391 km (0.078 R)
• M4: 2,313,232 km (0.055 R)
• M5: 2,860,910 km (0.038 R)
• M6: 3,566,413 km (0.083 R)
• M7: 4,751,228 km (0.119 R)
• M8: 5,374,453 km (0.038 R)
• M9: 6,452,306 km (0.068 R)
• M10: 7,824,268 km (0.1 R)
• M11: 8,864,123 km (0.064 R)
• M12: 9,957,533 km (0.079 R)
• M13: 11,620,463 km (0.104 R)
• M14: 12,668,696 km (0.107 R)
• M15: 13,327,375 km (0.111 R)
• M16: 13,916,492 km (0.11 R)
• M17: 14,523,111 km (0.069 R)
• M18: 18,373,311 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.1

Radius: 8.6

Gravity: 10.16 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.42 AU - 4.86 AU

Year: 5617 Days

Day: 7.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,668,291 km

• M1: 107,112 km (0.098 R)
• M2: 426,504 km (0.077 R)
• M3: 710,291 km (0.073 R)
• M4: 1,125,724 km (0.111 R)
• M5: 2,127,431 km (0.09 R)
• M6: 3,567,311 km (0.119 R)
• M7: 5,129,113 km (0.093 R)
• M8: 8,375,087 km (0.1 R)
• M9: 8,695,675 km (0.053 R)
• M10: 9,706,807 km (0.101 R)
• M11: 10,841,358 km (0.115 R)
• M12: 11,222,383 km (0.1 R)
• M13: 11,513,950 km (0.097 R)
• M14: 16,707,988 km (0.118 R)
• M15: 18,198,731 km (0.07 R)
• M16: 20,634,184 km (0.091 R)
• M17: 22,810,384 km (0.053 R)
• M18: 25,135,135 km (0.117 R)
• M19: 26,312,021 km (0.066 R)
• M20: 29,876,789 km (0.108 R)
• M21: 31,774,438 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 985.9

Radius: 7.5

Gravity: 17.53 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.86 AU - 8.42 AU

Year: 12723 Days

Day: 17.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 69,668,291 km

• M1: 93,349 km (0.071 R)
• M2: 394,190 km (0.087 R)
• M3: 1,412,802 km (0.055 R)
• M4: 2,813,637 km (0.051 R)
• M5: 3,412,477 km (0.107 R)
• M6: 4,215,219 km (0.113 R)
• M7: 5,684,569 km (0.071 R)
• M8: 5,952,499 km (0.056 R)
• M9: 6,189,014 km (0.074 R)
• M10: 6,555,379 km (0.087 R)
• M11: 7,110,237 km (0.116 R)
• M12: 7,603,761 km (0.074 R)
• M13: 8,810,417 km (0.06 R)
• M14: 9,646,819 km (0.092 R)
• M15: 12,473,022 km (0.109 R)
• M16: 14,283,605 km (0.066 R)
• M17: 14,708,612 km (0.098 R)
• M18: 23,578,868 km (0.116 R)
• M19: 25,286,827 km (0.091 R)
• M20: 27,075,719 km (0.112 R)
• M21: 30,319,300 km (0.108 R)
• M22: 34,567,730 km (0.061 R)
• M23: 35,462,624 km (0.109 R)
• M24: 38,511,578 km (0.087 R)
• M25: 47,592,319 km (0.103 R)
• M26: 53,979,400 km (0.12 R)
• M27: 57,110,932 km (0.116 R)
• M28: 63,352,454 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 246.5

Radius: 7.8

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 5.99 AU - 9.23 AU

Year: 13999 Days

Day: 23.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,668,291 km

• M1: 96,939 km (0.059 R)
• M2: 520,002 km (0.075 R)
• M3: 991,983 km (0.054 R)
• M4: 1,414,897 km (0.067 R)
• M5: 1,985,463 km (0.065 R)
• M6: 2,924,788 km (0.091 R)
• M7: 4,460,410 km (0.1 R)
• M8: 6,837,371 km (0.088 R)
• M9: 8,663,063 km (0.087 R)
• M10: 12,559,190 km (0.107 R)
• M11: 12,842,828 km (0.108 R)
• M12: 13,839,449 km (0.118 R)
• M13: 14,949,914 km (0.058 R)
• M14: 15,204,529 km (0.088 R)
• M15: 15,526,763 km (0.088 R)
• M16: 19,229,759 km (0.11 R)
• M17: 22,719,877 km (0.113 R)
• M18: 26,331,918 km (0.095 R)
• M19: 26,890,816 km (0.094 R)
• M20: 27,173,107 km (0.114 R)
• M21: 33,029,115 km (0.054 R)
• M22: 34,227,245 km (0.117 R)
• M23: 34,669,905 km (0.097 R)
• M24: 38,469,691 km (0.101 R)
• M25: 39,552,331 km (0.031 R)
• M26: 42,538,304 km (0.048 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 698.8

Radius: 6.6

Gravity: 16.04 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 7.81 AU - 9.75 AU

Year: 17349 Days

Day: 23.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 69,668,291 km

• M1: 86,468 km (0.108 R)
• M2: 351,405 km (0.114 R)
• M3: 745,147 km (0.115 R)
• M4: 1,868,477 km (0.081 R)
• M5: 2,195,498 km (0.057 R)
• M6: 3,274,847 km (0.099 R)
• M7: 3,606,805 km (0.101 R)
• M8: 5,055,660 km (0.034 R)
• M9: 5,386,271 km (0.089 R)
• M10: 7,874,383 km (0.069 R)
• M11: 8,780,348 km (0.111 R)
• M12: 10,559,515 km (0.088 R)
• M13: 12,632,792 km (0.118 R)
• M14: 14,013,281 km (0.106 R)
• M15: 14,301,108 km (0.117 R)
• M16: 15,037,728 km (0.095 R)
• M17: 16,908,299 km (0.089 R)
• M18: 17,481,858 km (0.027 R)
• M19: 17,815,461 km (0.116 R)
• M20: 20,270,212 km (0.117 R)
• M21: 20,917,522 km (0.103 R)
• M22: 21,962,164 km (0.05 R)
• M23: 24,777,895 km (0.094 R)
• M24: 28,624,356 km (0.097 R)
• M25: 29,087,960 km (0.102 R)
• M26: 31,235,587 km (0.104 R)
• M27: 37,337,684 km (0.115 R)
• M28: 38,309,472 km (0.109 R)
• M29: 39,870,525 km (0.108 R)
• M30: 40,303,611 km (0.076 R)
• M31: 42,067,071 km (0.086 R)
• M32: 45,747,029 km (0.059 R)
• M33: 47,989,800 km (0.058 R)
• M34: 48,972,957 km (0.116 R)
• M35: 54,799,794 km (0.108 R)
• M36: 55,873,907 km (0.037 R)
• M37: 59,555,361 km (0.104 R)
• M38: 60,881,097 km (0.07 R)
• M39: 64,578,708 km (0.119 R)
• M40: 65,576,077 km (0.079 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: 506 - 17,489 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit