🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.2

Radius: 8.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.59 AU - 0.81 AU

Year: 412 Days

Day: 11.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,473,151 km

• M1: 100,679 km (0.104 R)
• M2: 389,553 km (0.115 R)
• M3: 737,817 km (0.11 R)
• M4: 1,039,855 km (0.099 R)
• M5: 1,860,848 km (0.107 R)
• M6: 2,150,170 km (0.113 R)
• M7: 2,595,523 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.9

Radius: 10.4

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.63 AU - 0.89 AU

Year: 466 Days

Day: 11.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,473,151 km

• M1: 129,552 km (0.032 R)
• M2: 463,454 km (0.064 R)
• M3: 791,373 km (0.067 R)
• M4: 1,247,945 km (0.091 R)
• M5: 1,603,091 km (0.107 R)
• M6: 2,069,238 km (0.058 R)
• M7: 2,484,222 km (0.114 R)
• M8: 3,021,727 km (0.07 R)
• M9: 3,546,517 km (0.062 R)
• M10: 4,702,011 km (0.101 R)
• M11: 5,699,828 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.2

Radius: 11

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.63 AU - 0.91 AU

Year: 475 Days

Day: 8.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,473,151 km

• M1: 136,732 km (0.072 R)
• M2: 527,632 km (0.104 R)
• M3: 913,145 km (0.099 R)
• M4: 1,317,808 km (0.057 R)
• M5: 2,115,015 km (0.092 R)
• M6: 3,642,708 km (0.096 R)
• M7: 4,155,380 km (0.093 R)
• M8: 4,772,920 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.1

Radius: 10.8

Gravity: 8.46 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.26 AU - 1.32 AU

Year: 1030 Days

Day: 12.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,473,151 km

• M1: 134,488 km (0.112 R)
• M2: 484,697 km (0.091 R)
• M3: 821,292 km (0.11 R)
• M4: 1,640,041 km (0.07 R)
• M5: 2,059,215 km (0.095 R)
• M6: 2,803,913 km (0.059 R)
• M7: 3,439,405 km (0.075 R)
• M8: 4,938,974 km (0.111 R)
• M9: 5,911,061 km (0.056 R)
• M10: 6,548,198 km (0.087 R)
• M11: 6,956,899 km (0.036 R)
• M12: 7,641,310 km (0.112 R)
• M13: 7,986,432 km (0.101 R)
• M14: 8,425,651 km (0.071 R)
• M15: 9,533,723 km (0.077 R)
• M16: 9,871,963 km (0.108 R)
• M17: 10,346,039 km (0.11 R)
• M18: 11,102,556 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.4

Radius: 9.2

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.39 AU - 1.47 AU

Year: 1202 Days

Day: 14.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 119 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,473,151 km

• M1: 114,442 km (0.119 R)
• M2: 463,604 km (0.099 R)
• M3: 793,617 km (0.092 R)
• M4: 1,126,322 km (0.098 R)
• M5: 1,810,284 km (0.102 R)
• M6: 2,194,601 km (0.095 R)
• M7: 3,101,014 km (0.078 R)
• M8: 3,702,697 km (0.09 R)
• M9: 4,082,675 km (0.111 R)
• M10: 4,844,129 km (0.077 R)
• M11: 5,633,108 km (0.114 R)
• M12: 6,388,727 km (0.099 R)
• M13: 6,719,039 km (0.075 R)
• M14: 7,110,237 km (0.115 R)
• M15: 7,673,024 km (0.08 R)
• M16: 8,046,421 km (0.081 R)
• M17: 8,460,059 km (0.113 R)
• M18: 9,062,789 km (0.076 R)
• M19: 9,910,560 km (0.114 R)
• M20: 11,693,617 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.3

Radius: 14.4

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.46 AU - 1.46 AU

Year: 1240 Days

Day: 8 Hours

Environment

Temp: -189 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,473,151 km

• M1: 179,368 km (0.036 R)
• M2: 815,608 km (0.102 R)
• M3: 1,342,641 km (0.041 R)
• M4: 2,120,101 km (0.073 R)
• M5: 2,813,487 km (0.069 R)
• M6: 3,466,482 km (0.074 R)
• M7: 5,878,598 km (0.095 R)
• M8: 6,349,532 km (0.114 R)
• M9: 7,038,430 km (0.104 R)
• M10: 7,753,658 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.3

Radius: 12.3

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.08 AU - 3.26 AU

Year: 3067 Days

Day: 9.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 35,473,151 km

• M1: 154,086 km (0.07 R)
• M2: 554,709 km (0.112 R)
• M3: 1,113,307 km (0.109 R)
• M4: 1,513,930 km (0.119 R)
• M5: 1,899,594 km (0.093 R)
• M6: 2,604,948 km (0.112 R)
• M7: 3,293,248 km (0.063 R)
• M8: 4,057,244 km (0.111 R)
• M9: 4,493,022 km (0.102 R)
• M10: 6,159,244 km (0.059 R)
• M11: 6,618,808 km (0.083 R)
• M12: 9,234,078 km (0.073 R)
• M13: 10,267,799 km (0.048 R)
• M14: 11,547,908 km (0.103 R)
• M15: 12,473,770 km (0.047 R)
• M16: 13,306,132 km (0.033 R)
• M17: 14,724,769 km (0.075 R)
• M18: 16,295,995 km (0.082 R)
• M19: 18,092,217 km (0.056 R)
• M20: 20,079,325 km (0.061 R)
• M21: 20,582,124 km (0.056 R)
• M22: 20,964,795 km (0.113 R)
• M23: 21,547,629 km (0.111 R)
• M24: 21,942,268 km (0.098 R)
• M25: 22,678,140 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 815.2

Radius: 5.3

Gravity: 29.02 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.89 AU - 7.37 AU

Year: 10668 Days

Day: 15.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 35,473,151 km

• M1: 66,272 km (0.097 R)
• M2: 248,332 km (0.028 R)
• M3: 458,667 km (0.083 R)
• M4: 669,301 km (0.099 R)
• M5: 933,940 km (0.078 R)
• M6: 1,318,107 km (0.118 R)
• M7: 1,705,715 km (0.076 R)
• M8: 2,203,427 km (0.116 R)
• M9: 3,380,164 km (0.064 R)
• M10: 4,486,291 km (0.094 R)
• M11: 5,154,694 km (0.107 R)
• M12: 5,323,141 km (0.083 R)
• M13: 5,742,613 km (0.069 R)
• M14: 6,221,626 km (0.084 R)
• M15: 7,175,163 km (0.064 R)
• M16: 8,406,503 km (0.057 R)
• M17: 9,170,050 km (0.1 R)
• M18: 13,247,490 km (0.101 R)
• M19: 13,628,366 km (0.049 R)
• M20: 14,345,538 km (0.071 R)
• M21: 16,283,878 km (0.039 R)
• M22: 18,705,269 km (0.096 R)
• M23: 19,023,912 km (0.117 R)
• M24: 21,269,975 km (0.115 R)
• M25: 22,144,823 km (0.092 R)
• M26: 23,594,277 km (0.117 R)
• M27: 24,626,652 km (0.116 R)
• M28: 26,380,238 km (0.057 R)
• M29: 28,951,676 km (0.043 R)
• M30: 29,700,563 km (0.045 R)
• M31: 31,014,182 km (0.077 R)
• M32: 31,348,533 km (0.067 R)
• M33: 39,197,036 km (0.103 R)
• M34: 52,875,667 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 458.4

Radius: 3.3

Gravity: 42.09 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 5.49 AU - 7.11 AU

Year: 11115 Days

Day: 19.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 35,473,151 km

• M1: 41,139 km (0.112 R)
• M2: 198,816 km (0.099 R)
• M3: 312,061 km (0.068 R)
• M4: 573,708 km (0.096 R)
• M5: 726,597 km (0.119 R)
• M6: 1,472,791 km (0.054 R)
• M7: 1,656,348 km (0.092 R)
• M8: 1,792,033 km (0.037 R)
• M9: 2,507,410 km (0.085 R)
• M10: 3,138,863 km (0.059 R)
• M11: 3,639,567 km (0.113 R)
• M12: 3,895,977 km (0.098 R)
• M13: 4,502,148 km (0.12 R)
• M14: 6,657,105 km (0.084 R)
• M15: 7,040,225 km (0.119 R)
• M16: 7,357,074 km (0.085 R)
• M17: 10,193,001 km (0.073 R)
• M18: 10,598,411 km (0.11 R)
• M19: 11,878,969 km (0.107 R)
• M20: 13,559,401 km (0.036 R)
• M21: 14,173,800 km (0.028 R)
• M22: 16,332,796 km (0.115 R)
• M23: 16,539,391 km (0.043 R)
• M24: 17,098,588 km (0.07 R)
• M25: 17,454,481 km (0.087 R)
• M26: 17,598,095 km (0.052 R)
• M27: 23,839,318 km (0.11 R)
• M28: 29,435,176 km (0.107 R)
• M29: 35,614,466 km (0.114 R)
• M30: 37,373,288 km (0.107 R)
• M31: 37,852,001 km (0.075 R)
• M32: 38,213,579 km (0.084 R)
• M33: 39,931,711 km (0.103 R)
• M34: 41,062,970 km (0.116 R)
• M35: 43,918,045 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 181.9

Radius: 6.3

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 6.58 AU - 6.94 AU

Year: 12355 Days

Day: 21.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 35,473,151 km

• M1: 78,838 km (0.068 R)
• M2: 567,574 km (0.05 R)
• M3: 923,916 km (0.078 R)
• M4: 1,227,301 km (0.04 R)
• M5: 1,929,962 km (0.078 R)
• M6: 2,991,808 km (0.115 R)
• M7: 3,260,934 km (0.116 R)
• M8: 3,706,437 km (0.109 R)
• M9: 4,242,446 km (0.084 R)
• M10: 4,663,863 km (0.101 R)
• M11: 5,026,488 km (0.045 R)
• M12: 5,999,323 km (0.101 R)
• M13: 6,598,762 km (0.108 R)
• M14: 6,913,067 km (0.086 R)
• M15: 7,310,848 km (0.054 R)
• M16: 7,723,588 km (0.031 R)
• M17: 8,351,750 km (0.108 R)
• M18: 9,055,758 km (0.061 R)
• M19: 10,254,186 km (0.093 R)
• M20: 11,158,505 km (0.11 R)
• M21: 11,504,824 km (0.083 R)
• M22: 11,705,884 km (0.065 R)
• M23: 13,455,281 km (0.113 R)
• M24: 17,795,864 km (0.086 R)
• M25: 21,433,785 km (0.1 R)
• M26: 25,199,163 km (0.091 R)
• M27: 27,819,968 km (0.07 R)
• M28: 30,809,981 km (0.093 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 497 - 15,129 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit