🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.8

Radius: 8.3

Gravity: 13.09 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.98 AU - 1.02 AU

Year: 667 Days

Day: 11.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 90,041,629 km

• M1: 103,223 km (0.076 R)
• M2: 369,956 km (0.054 R)
• M3: 633,248 km (0.093 R)
• M4: 1,089,072 km (0.072 R)
• M5: 1,642,734 km (0.114 R)
• M6: 2,257,881 km (0.094 R)
• M7: 2,523,866 km (0.112 R)
• M8: 3,369,542 km (0.105 R)
• M9: 3,879,821 km (0.099 R)
• M10: 4,605,969 km (0.109 R)
• M11: 4,931,045 km (0.084 R)
• M12: 5,235,028 km (0.09 R)
• M13: 6,535,482 km (0.093 R)
• M14: 7,398,363 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.7

Radius: 9.3

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.09 AU - 1.29 AU

Year: 866 Days

Day: 9.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,041,629 km

• M1: 115,639 km (0.071 R)
• M2: 429,944 km (0.113 R)
• M3: 740,360 km (0.117 R)
• M4: 1,151,455 km (0.102 R)
• M5: 1,631,963 km (0.109 R)
• M6: 1,944,024 km (0.062 R)
• M7: 2,305,303 km (0.094 R)
• M8: 3,421,902 km (0.081 R)
• M9: 3,769,567 km (0.103 R)
• M10: 4,639,329 km (0.111 R)
• M11: 5,177,433 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.8

Radius: 11.4

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.11 AU - 1.45 AU

Year: 966 Days

Day: 5.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,041,629 km

• M1: 141,968 km (0.037 R)
• M2: 611,406 km (0.097 R)
• M3: 1,183,469 km (0.087 R)
• M4: 1,596,060 km (0.115 R)
• M5: 3,020,830 km (0.031 R)
• M6: 4,039,741 km (0.084 R)
• M7: 5,274,671 km (0.049 R)
• M8: 6,501,972 km (0.105 R)
• M9: 6,859,362 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.9

Radius: 11.9

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.51 AU - 2.39 AU

Year: 1816 Days

Day: 12.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 90,041,629 km

• M1: 148,551 km (0.099 R)
• M2: 1,026,541 km (0.12 R)
• M3: 1,454,989 km (0.109 R)
• M4: 1,887,476 km (0.104 R)
• M5: 2,463,279 km (0.069 R)
• M6: 2,993,005 km (0.054 R)
• M7: 3,642,858 km (0.112 R)
• M8: 4,198,763 km (0.114 R)
• M9: 4,612,102 km (0.075 R)
• M10: 6,456,345 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.2

Radius: 10

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.87 AU - 3.33 AU

Year: 3640 Days

Day: 11.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 90,041,629 km

• M1: 124,465 km (0.03 R)
• M2: 440,566 km (0.082 R)
• M3: 788,082 km (0.076 R)
• M4: 1,241,662 km (0.091 R)
• M5: 1,768,247 km (0.059 R)
• M6: 2,084,347 km (0.09 R)
• M7: 2,423,635 km (0.114 R)
• M8: 3,534,399 km (0.083 R)
• M9: 4,192,780 km (0.085 R)
• M10: 4,738,513 km (0.109 R)
• M11: 5,254,476 km (0.074 R)
• M12: 8,311,209 km (0.106 R)
• M13: 9,062,639 km (0.11 R)
• M14: 9,897,694 km (0.11 R)
• M15: 10,293,829 km (0.103 R)
• M16: 11,896,920 km (0.058 R)
• M17: 13,180,021 km (0.08 R)
• M18: 16,291,358 km (0.112 R)
• M19: 18,222,666 km (0.063 R)
• M20: 19,182,486 km (0.095 R)
• M21: 19,736,896 km (0.08 R)
• M22: 22,466,758 km (0.087 R)
• M23: 23,013,987 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.7

Radius: 14.8

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.14 AU - 3.18 AU

Year: 3746 Days

Day: 14.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 90,041,629 km

• M1: 184,305 km (0.105 R)
• M2: 739,163 km (0.097 R)
• M3: 1,288,935 km (0.116 R)
• M4: 1,899,145 km (0.111 R)
• M5: 2,381,598 km (0.119 R)
• M6: 3,373,133 km (0.069 R)
• M7: 3,902,560 km (0.118 R)
• M8: 4,909,802 km (0.058 R)
• M9: 6,000,371 km (0.041 R)
• M10: 6,723,078 km (0.047 R)
• M11: 8,696,274 km (0.111 R)
• M12: 9,282,249 km (0.103 R)
• M13: 9,972,942 km (0.074 R)
• M14: 13,085,027 km (0.07 R)
• M15: 14,759,326 km (0.109 R)
• M16: 16,351,945 km (0.041 R)
• M17: 17,189,992 km (0.082 R)
• M18: 18,292,379 km (0.073 R)
• M19: 20,702,550 km (0.11 R)
• M20: 22,084,685 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.2

Radius: 10.8

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.68 AU - 4.26 AU

Year: 5275 Days

Day: 6.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 90,041,629 km

• M1: 134,339 km (0.047 R)
• M2: 831,315 km (0.062 R)
• M3: 1,367,025 km (0.078 R)
• M4: 2,280,470 km (0.076 R)
• M5: 2,744,971 km (0.089 R)
• M6: 4,812,713 km (0.115 R)
• M7: 5,167,410 km (0.116 R)
• M8: 6,177,046 km (0.094 R)
• M9: 8,329,909 km (0.11 R)
• M10: 8,843,179 km (0.107 R)
• M11: 9,468,498 km (0.065 R)
• M12: 10,283,358 km (0.027 R)
• M13: 10,675,005 km (0.071 R)
• M14: 11,732,811 km (0.045 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.3

Radius: 11.1

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.68 AU - 5.5 AU

Year: 6558 Days

Day: 7.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 90,041,629 km

• M1: 138,079 km (0.069 R)
• M2: 489,634 km (0.109 R)
• M3: 858,692 km (0.06 R)
• M4: 1,624,932 km (0.041 R)
• M5: 2,044,405 km (0.09 R)
• M6: 2,468,365 km (0.115 R)
• M7: 2,989,115 km (0.099 R)
• M8: 5,340,345 km (0.063 R)
• M9: 6,215,792 km (0.049 R)
• M10: 6,805,656 km (0.066 R)
• M11: 8,021,737 km (0.062 R)
• M12: 9,252,030 km (0.087 R)
• M13: 9,847,130 km (0.079 R)
• M14: 10,833,728 km (0.109 R)
• M15: 12,083,319 km (0.084 R)
• M16: 14,924,332 km (0.111 R)
• M17: 15,271,848 km (0.114 R)
• M18: 16,654,133 km (0.104 R)
• M19: 17,090,958 km (0.073 R)
• M20: 17,471,386 km (0.071 R)
• M21: 18,447,362 km (0.054 R)
• M22: 21,446,800 km (0.084 R)
• M23: 23,332,630 km (0.113 R)
• M24: 25,162,960 km (0.106 R)
• M25: 27,604,846 km (0.103 R)
• M26: 28,041,223 km (0.04 R)
• M27: 29,017,649 km (0.119 R)
• M28: 30,292,821 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 119.2

Radius: 4.2

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.92 AU - 6.12 AU

Year: 9850 Days

Day: 17.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 90,041,629 km

• M1: 52,808 km (0.113 R)
• M2: 211,681 km (0.064 R)
• M3: 455,526 km (0.09 R)
• M4: 590,164 km (0.094 R)
• M5: 773,271 km (0.091 R)
• M6: 1,185,862 km (0.112 R)
• M7: 1,874,461 km (0.031 R)
• M8: 3,705,838 km (0.105 R)
• M9: 4,403,264 km (0.073 R)
• M10: 5,734,685 km (0.04 R)
• M11: 5,907,171 km (0.092 R)
• M12: 6,112,719 km (0.073 R)
• M13: 6,983,229 km (0.054 R)
• M14: 9,043,490 km (0.099 R)
• M15: 18,008,741 km (0.054 R)
• M16: 20,306,565 km (0.046 R)
• M17: 20,439,707 km (0.107 R)
• M18: 23,517,384 km (0.08 R)
• M19: 23,737,891 km (0.053 R)
• M20: 24,332,542 km (0.108 R)

Asteroid Belt

Center: 8.15 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939.9

Radius: 3.6

Gravity: 72.52 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 9.19 AU - 11.37 AU

Year: 21980 Days

Day: 24.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 90,041,629 km

• M1: 44,879 km (0.102 R)
• M2: 188,942 km (0.077 R)
• M3: 456,423 km (0.089 R)
• M4: 652,396 km (0.083 R)
• M5: 878,289 km (0.108 R)
• M6: 1,700,629 km (0.071 R)
• M7: 1,816,118 km (0.066 R)
• M8: 2,648,780 km (0.086 R)
• M9: 3,903,457 km (0.087 R)
• M10: 10,375,660 km (0.115 R)
• M11: 17,333,157 km (0.12 R)
• M12: 18,340,849 km (0.086 R)
• M13: 22,122,234 km (0.049 R)
• M14: 25,334,848 km (0.12 R)
• M15: 28,845,013 km (0.061 R)
• M16: 30,387,516 km (0.074 R)
• M17: 33,916,680 km (0.073 R)
• M18: 42,261,997 km (0.113 R)
• M19: 47,872,815 km (0.066 R)
• M20: 53,195,956 km (0.074 R)
• M21: 78,184,634 km (0.118 R)
• M22: 80,918,835 km (0.096 R)
• M23: 86,840,517 km (0.116 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 399 - 17,608 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit