🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

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: 673.7

Radius: 8.6

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.7 AU - 1.08 AU

Year: 560 Days

Day: 14.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,751,610 km

• M1: 106,962 km (0.102 R)
• M2: 416,929 km (0.119 R)
• M3: 775,665 km (0.092 R)
• M4: 1,045,240 km (0.067 R)
• M5: 1,628,223 km (0.089 R)
• M6: 2,081,954 km (0.111 R)
• M7: 2,649,677 km (0.032 R)
• M8: 2,970,415 km (0.041 R)
• M9: 4,120,673 km (0.114 R)
• M10: 4,568,420 km (0.025 R)
• M11: 4,836,350 km (0.08 R)
• M12: 5,334,959 km (0.086 R)
• M13: 5,650,312 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.5

Radius: 9.6

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.98 AU - 1.22 AU

Year: 769 Days

Day: 9.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,751,610 km

• M1: 120,875 km (0.092 R)
• M2: 454,927 km (0.091 R)
• M3: 919,877 km (0.094 R)
• M4: 1,456,784 km (0.103 R)
• M5: 2,230,355 km (0.078 R)
• M6: 2,941,842 km (0.094 R)
• M7: 3,293,696 km (0.089 R)
• M8: 3,895,828 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.2

Radius: 10.1

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.02 AU - 1.54 AU

Year: 966 Days

Day: 10.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 82.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,751,610 km

• M1: 125,961 km (0.115 R)
• M2: 451,038 km (0.082 R)
• M3: 871,557 km (0.104 R)
• M4: 1,199,625 km (0.09 R)
• M5: 1,707,211 km (0.043 R)
• M6: 2,149,572 km (0.045 R)
• M7: 2,513,095 km (0.097 R)
• M8: 2,891,876 km (0.111 R)
• M9: 3,750,419 km (0.101 R)
• M10: 4,315,001 km (0.07 R)
• M11: 5,142,277 km (0.072 R)
• M12: 5,986,907 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116

Radius: 11.5

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.97 AU - 4.17 AU

Year: 4498 Days

Day: 10.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,751,610 km

• M1: 143,165 km (0.075 R)
• M2: 547,079 km (0.098 R)
• M3: 1,100,891 km (0.072 R)
• M4: 1,576,911 km (0.056 R)
• M5: 2,681,542 km (0.112 R)
• M6: 3,392,281 km (0.115 R)
• M7: 4,055,449 km (0.051 R)
• M8: 4,577,695 km (0.088 R)
• M9: 5,972,845 km (0.107 R)
• M10: 7,295,589 km (0.115 R)
• M11: 7,981,794 km (0.092 R)
• M12: 10,230,849 km (0.095 R)
• M13: 10,762,819 km (0.097 R)
• M14: 11,201,739 km (0.109 R)
• M15: 12,076,438 km (0.051 R)
• M16: 12,832,805 km (0.082 R)
• M17: 14,264,905 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.1

Radius: 9.4

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.72 AU - 3.98 AU

Year: 5038 Days

Day: 9.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,751,610 km

• M1: 118,033 km (0.087 R)
• M2: 473,926 km (0.104 R)
• M3: 793,617 km (0.101 R)
• M4: 1,168,359 km (0.091 R)
• M5: 1,556,715 km (0.112 R)
• M6: 2,199,238 km (0.086 R)
• M7: 2,680,495 km (0.12 R)
• M8: 3,009,161 km (0.108 R)
• M9: 4,344,173 km (0.079 R)
• M10: 5,314,464 km (0.112 R)
• M11: 5,808,287 km (0.103 R)
• M12: 6,332,328 km (0.099 R)
• M13: 8,787,678 km (0.107 R)
• M14: 9,478,970 km (0.088 R)
• M15: 11,410,428 km (0.099 R)
• M16: 12,093,342 km (0.092 R)
• M17: 12,899,974 km (0.059 R)
• M18: 14,099,151 km (0.108 R)
• M19: 14,410,314 km (0.12 R)
• M20: 16,488,229 km (0.103 R)
• M21: 17,959,673 km (0.041 R)
• M22: 21,775,915 km (0.079 R)
• M23: 24,204,187 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.7

Radius: 11.8

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 4.13 AU - 6.37 AU

Year: 8022 Days

Day: 8.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,751,610 km

• M1: 148,251 km (0.12 R)
• M2: 562,937 km (0.119 R)
• M3: 1,148,313 km (0.114 R)
• M4: 4,557,798 km (0.108 R)
• M5: 8,159,517 km (0.115 R)
• M6: 11,198,747 km (0.114 R)
• M7: 12,820,687 km (0.078 R)
• M8: 22,817,714 km (0.115 R)
• M9: 24,090,792 km (0.113 R)
• M10: 26,209,248 km (0.073 R)
• M11: 28,534,447 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.8

Radius: 14.3

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 5 AU - 6.24 AU

Year: 8885 Days

Day: 8.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,751,610 km

• M1: 178,769 km (0.077 R)
• M2: 663,018 km (0.098 R)
• M3: 1,204,263 km (0.075 R)
• M4: 1,703,621 km (0.104 R)
• M5: 2,235,142 km (0.098 R)
• M6: 3,641,811 km (0.097 R)
• M7: 4,567,223 km (0.057 R)
• M8: 5,054,613 km (0.091 R)
• M9: 5,921,233 km (0.108 R)
• M10: 6,615,517 km (0.108 R)
• M11: 7,404,646 km (0.095 R)
• M12: 8,982,604 km (0.061 R)
• M13: 10,512,990 km (0.101 R)
• M14: 13,095,349 km (0.086 R)
• M15: 13,770,783 km (0.069 R)
• M16: 14,664,032 km (0.078 R)
• M17: 18,398,893 km (0.076 R)
• M18: 20,040,131 km (0.088 R)
• M19: 22,291,429 km (0.099 R)
• M20: 30,476,377 km (0.062 R)
• M21: 31,663,736 km (0.092 R)
• M22: 33,901,271 km (0.079 R)
• M23: 35,529,045 km (0.079 R)
• M24: 37,574,946 km (0.059 R)
• M25: 40,984,281 km (0.072 R)
• M26: 43,638,896 km (0.083 R)
• M27: 48,849,090 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 589.2

Radius: 5.9

Gravity: 16.93 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 4.97 AU - 7.25 AU

Year: 10071 Days

Day: 15.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 67,751,610 km

• M1: 75,697 km (0.103 R)
• M2: 318,494 km (0.064 R)
• M3: 705,504 km (0.104 R)
• M4: 924,365 km (0.113 R)
• M5: 1,188,705 km (0.117 R)
• M6: 1,600,099 km (0.094 R)
• M7: 1,808,040 km (0.051 R)
• M8: 2,297,075 km (0.06 R)
• M9: 3,968,682 km (0.059 R)
• M10: 4,240,352 km (0.08 R)
• M11: 4,495,416 km (0.105 R)
• M12: 5,789,438 km (0.107 R)
• M13: 6,652,767 km (0.084 R)
• M14: 7,848,652 km (0.117 R)
• M15: 8,061,081 km (0.06 R)
• M16: 8,631,498 km (0.077 R)
• M17: 8,857,840 km (0.091 R)
• M18: 11,184,086 km (0.081 R)
• M19: 15,358,465 km (0.046 R)
• M20: 15,691,171 km (0.107 R)
• M21: 18,754,337 km (0.058 R)
• M22: 22,025,444 km (0.077 R)
• M23: 22,363,535 km (0.114 R)
• M24: 23,750,906 km (0.101 R)
• M25: 25,194,525 km (0.116 R)
• M26: 26,791,632 km (0.094 R)
• M27: 27,080,207 km (0.101 R)
• M28: 30,185,858 km (0.052 R)
• M29: 32,857,078 km (0.072 R)
• M30: 33,077,286 km (0.111 R)
• M31: 33,968,291 km (0.111 R)
• M32: 44,175,503 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 829.3

Radius: 7.4

Gravity: 15.14 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 6.64 AU - 9.22 AU

Year: 14892 Days

Day: 20.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 67,751,610 km

• M1: 92,152 km (0.068 R)
• M2: 354,397 km (0.083 R)
• M3: 988,842 km (0.102 R)
• M4: 1,221,317 km (0.109 R)
• M5: 1,817,315 km (0.104 R)
• M6: 2,054,876 km (0.068 R)
• M7: 2,375,764 km (0.107 R)
• M8: 3,489,221 km (0.082 R)
• M9: 4,511,423 km (0.102 R)
• M10: 4,916,085 km (0.058 R)
• M11: 5,644,028 km (0.098 R)
• M12: 8,259,149 km (0.106 R)
• M13: 9,446,358 km (0.099 R)
• M14: 10,052,528 km (0.09 R)
• M15: 10,336,614 km (0.092 R)
• M16: 11,160,450 km (0.097 R)
• M17: 17,860,789 km (0.058 R)
• M18: 20,643,309 km (0.095 R)
• M19: 21,010,273 km (0.081 R)
• M20: 23,008,751 km (0.091 R)
• M21: 23,304,356 km (0.07 R)
• M22: 26,292,723 km (0.113 R)
• M23: 41,965,793 km (0.055 R)
• M24: 45,428,535 km (0.064 R)
• M25: 46,049,516 km (0.107 R)
• M26: 47,626,876 km (0.071 R)
• M27: 48,107,085 km (0.098 R)
• M28: 48,752,300 km (0.113 R)
• M29: 55,348,519 km (0.081 R)
• M30: 59,875,501 km (0.085 R)
• M31: 60,809,739 km (0.053 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 766.3

Radius: 3.8

Gravity: 53.07 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 7.89 AU - 8.67 AU

Year: 15888 Days

Day: 17.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,751,610 km

• M1: 47,273 km (0.097 R)
• M2: 167,250 km (0.114 R)
• M3: 455,376 km (0.078 R)
• M4: 720,164 km (0.102 R)
• M5: 849,716 km (0.046 R)
• M6: 1,143,676 km (0.069 R)
• M7: 1,409,661 km (0.082 R)
• M8: 2,064,301 km (0.115 R)
• M9: 2,638,458 km (0.079 R)
• M10: 2,803,314 km (0.099 R)
• M11: 3,880,868 km (0.064 R)
• M12: 6,942,837 km (0.073 R)
• M13: 11,067,550 km (0.07 R)
• M14: 14,023,155 km (0.082 R)
• M15: 19,600,612 km (0.098 R)
• M16: 26,711,448 km (0.113 R)
• M17: 31,684,679 km (0.089 R)
• M18: 35,234,487 km (0.103 R)
• M19: 45,093,585 km (0.107 R)
• M20: 45,715,613 km (0.081 R)
• M21: 47,136,045 km (0.112 R)
• M22: 59,016,659 km (0.087 R)
• M23: 67,751,679 km (0.093 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 442 - 18,736 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit