🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.2

Radius: 14.4

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.72 AU - 0.98 AU

Year: 551 Days

Day: 11.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 81,562,283 km

• M1: 179,667 km (0.107 R)
• M2: 702,960 km (0.08 R)
• M3: 1,477,728 km (0.062 R)
• M4: 1,971,102 km (0.106 R)
• M5: 2,907,584 km (0.082 R)
• M6: 3,798,140 km (0.111 R)
• M7: 5,607,377 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.8

Radius: 14

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.72 AU - 1.06 AU

Year: 590 Days

Day: 9 Hours

Environment

Temp: -160 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 81,562,283 km

• M1: 188,793 km (0.059 R)
• M2: 766,839 km (0.118 R)
• M3: 1,359,246 km (0.115 R)
• M4: 2,221,977 km (0.102 R)
• M5: 3,989,326 km (0.096 R)
• M6: 4,587,269 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.4

Radius: 10.6

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.83 AU - 1.25 AU

Year: 746 Days

Day: 10.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,562,283 km

• M1: 134,339 km (0.105 R)
• M2: 585,825 km (0.067 R)
• M3: 1,659,938 km (0.082 R)
• M4: 2,019,422 km (0.102 R)
• M5: 2,388,629 km (0.083 R)
• M6: 3,034,443 km (0.066 R)
• M7: 3,578,231 km (0.052 R)
• M8: 4,077,589 km (0.062 R)
• M9: 4,913,392 km (0.115 R)
• M10: 6,018,771 km (0.078 R)
• M11: 6,598,014 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.5

Radius: 10.2

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.34 AU - 1.48 AU

Year: 1177 Days

Day: 12.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,562,283 km

• M1: 126,859 km (0.115 R)
• M2: 503,696 km (0.075 R)
• M3: 1,898,696 km (0.109 R)
• M4: 2,412,266 km (0.11 R)
• M5: 2,927,630 km (0.059 R)
• M6: 3,540,084 km (0.056 R)
• M7: 3,917,669 km (0.09 R)
• M8: 4,878,237 km (0.087 R)
• M9: 5,792,878 km (0.116 R)
• M10: 6,170,912 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.1

Radius: 8.4

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.39 AU - 1.71 AU

Year: 1356 Days

Day: 7.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,562,283 km

• M1: 104,419 km (0.086 R)
• M2: 541,544 km (0.054 R)
• M3: 923,318 km (0.104 R)
• M4: 1,510,191 km (0.095 R)
• M5: 1,800,261 km (0.054 R)
• M6: 2,215,694 km (0.103 R)
• M7: 2,626,191 km (0.119 R)
• M8: 3,517,944 km (0.044 R)
• M9: 4,647,856 km (0.115 R)
• M10: 5,179,527 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.3

Radius: 14.8

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.93 AU - 5.57 AU

Year: 7277 Days

Day: 14 Hours

Environment

Temp: -228 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,562,283 km

• M1: 213,476 km (0.117 R)
• M2: 704,756 km (0.102 R)
• M3: 1,375,702 km (0.097 R)
• M4: 2,183,082 km (0.045 R)
• M5: 3,077,677 km (0.064 R)
• M6: 3,642,708 km (0.12 R)
• M7: 4,672,091 km (0.092 R)
• M8: 6,998,039 km (0.071 R)
• M9: 8,131,392 km (0.054 R)
• M10: 8,625,664 km (0.115 R)
• M11: 9,928,511 km (0.098 R)
• M12: 10,405,579 km (0.108 R)
• M13: 15,188,373 km (0.112 R)
• M14: 17,707,601 km (0.116 R)
• M15: 19,805,561 km (0.106 R)
• M16: 20,985,440 km (0.071 R)
• M17: 22,064,788 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.2

Radius: 12.3

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.8 AU - 5.74 AU

Year: 7323 Days

Day: 8.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,562,283 km

• M1: 153,039 km (0.047 R)
• M2: 635,043 km (0.092 R)
• M3: 1,108,819 km (0.072 R)
• M4: 1,497,325 km (0.084 R)
• M5: 2,053,829 km (0.1 R)
• M6: 2,671,968 km (0.11 R)
• M7: 5,537,216 km (0.084 R)
• M8: 7,385,647 km (0.109 R)
• M9: 7,915,523 km (0.105 R)
• M10: 8,511,520 km (0.073 R)
• M11: 9,748,396 km (0.115 R)
• M12: 10,433,554 km (0.114 R)
• M13: 10,907,929 km (0.117 R)
• M14: 11,646,643 km (0.089 R)
• M15: 13,005,590 km (0.106 R)
• M16: 13,836,457 km (0.068 R)
• M17: 17,583,435 km (0.041 R)
• M18: 18,324,542 km (0.057 R)
• M19: 18,806,996 km (0.051 R)
• M20: 19,797,333 km (0.087 R)
• M21: 22,503,260 km (0.105 R)
• M22: 24,939,461 km (0.101 R)
• M23: 27,277,975 km (0.052 R)
• M24: 30,043,740 km (0.104 R)
• M25: 32,387,191 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 526.2

Radius: 5.2

Gravity: 19.46 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.98 AU - 6.64 AU

Year: 9844 Days

Day: 16.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 81,562,283 km

• M1: 64,626 km (0.096 R)
• M2: 313,408 km (0.1 R)
• M3: 514,018 km (0.06 R)
• M4: 775,515 km (0.102 R)
• M5: 1,637,648 km (0.074 R)
• M6: 1,830,480 km (0.101 R)
• M7: 2,038,271 km (0.12 R)
• M8: 2,578,768 km (0.074 R)
• M9: 2,758,286 km (0.103 R)
• M10: 3,610,545 km (0.08 R)
• M11: 4,369,903 km (0.118 R)
• M12: 4,982,656 km (0.077 R)
• M13: 6,305,550 km (0.063 R)
• M14: 7,125,197 km (0.063 R)
• M15: 7,320,871 km (0.108 R)
• M16: 7,764,129 km (0.116 R)
• M17: 8,793,363 km (0.091 R)
• M18: 9,247,841 km (0.063 R)
• M19: 9,622,584 km (0.051 R)
• M20: 11,435,560 km (0.048 R)
• M21: 13,945,813 km (0.092 R)
• M22: 14,879,154 km (0.104 R)
• M23: 17,428,900 km (0.032 R)
• M24: 18,291,032 km (0.072 R)
• M25: 18,881,346 km (0.114 R)
• M26: 19,713,559 km (0.066 R)
• M27: 20,570,006 km (0.105 R)
• M28: 22,024,547 km (0.074 R)
• M29: 28,333,837 km (0.113 R)
• M30: 29,323,277 km (0.082 R)
• M31: 31,162,134 km (0.038 R)
• M32: 32,751,911 km (0.054 R)
• M33: 39,775,830 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 771.7

Radius: 3.8

Gravity: 53.44 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 7.11 AU - 9.81 AU

Year: 17297 Days

Day: 17.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 81,562,283 km

• M1: 47,273 km (0.083 R)
• M2: 252,970 km (0.12 R)
• M3: 494,720 km (0.101 R)
• M4: 887,265 km (0.097 R)
• M5: 1,015,470 km (0.111 R)
• M6: 1,675,047 km (0.1 R)
• M7: 2,125,337 km (0.041 R)
• M8: 2,747,365 km (0.067 R)
• M9: 3,100,266 km (0.094 R)
• M10: 3,744,435 km (0.12 R)
• M11: 5,406,317 km (0.107 R)
• M12: 5,757,424 km (0.061 R)
• M13: 6,992,354 km (0.07 R)
• M14: 7,989,873 km (0.107 R)
• M15: 8,240,748 km (0.101 R)
• M16: 15,252,101 km (0.047 R)
• M17: 15,482,931 km (0.097 R)
• M18: 19,679,899 km (0.094 R)
• M19: 23,030,443 km (0.084 R)
• M20: 23,640,652 km (0.106 R)
• M21: 23,846,349 km (0.092 R)
• M22: 27,757,287 km (0.113 R)
• M23: 30,589,174 km (0.083 R)
• M24: 36,406,736 km (0.051 R)
• M25: 41,261,337 km (0.116 R)
• M26: 44,153,512 km (0.106 R)
• M27: 45,728,479 km (0.108 R)
• M28: 46,530,024 km (0.109 R)
• M29: 49,660,808 km (0.104 R)
• M30: 51,881,888 km (0.08 R)
• M31: 53,634,876 km (0.086 R)
• M32: 57,073,682 km (0.106 R)
• M33: 70,581,921 km (0.071 R)
• M34: 71,008,425 km (0.074 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 888.7

Radius: 4.3

Gravity: 48.06 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 8.78 AU - 9.54 AU

Year: 19487 Days

Day: 15.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 81,562,283 km

• M1: 53,556 km (0.043 R)
• M2: 216,468 km (0.099 R)
• M3: 520,900 km (0.094 R)
• M4: 705,504 km (0.096 R)
• M5: 981,960 km (0.065 R)
• M6: 2,082,851 km (0.099 R)
• M7: 2,552,888 km (0.063 R)
• M8: 3,036,238 km (0.086 R)
• M9: 3,548,162 km (0.097 R)
• M10: 4,386,210 km (0.071 R)
• M11: 4,632,747 km (0.072 R)
• M12: 4,888,559 km (0.077 R)
• M13: 5,348,722 km (0.07 R)
• M14: 6,354,768 km (0.107 R)
• M15: 8,143,510 km (0.056 R)
• M16: 15,307,752 km (0.117 R)
• M17: 15,792,898 km (0.065 R)
• M18: 17,571,467 km (0.116 R)
• M19: 21,320,539 km (0.106 R)
• M20: 27,180,587 km (0.09 R)
• M21: 28,130,982 km (0.081 R)
• M22: 31,372,469 km (0.1 R)
• M23: 33,892,744 km (0.116 R)
• M24: 34,439,973 km (0.085 R)
• M25: 35,132,312 km (0.087 R)
• M26: 35,833,926 km (0.038 R)
• M27: 36,831,744 km (0.076 R)
• M28: 37,120,168 km (0.12 R)
• M29: 39,181,627 km (0.117 R)
• M30: 42,573,310 km (0.108 R)
• M31: 44,177,747 km (0.07 R)
• M32: 50,820,042 km (0.107 R)
• M33: 54,470,978 km (0.117 R)
• M34: 60,469,255 km (0.047 R)
• M35: 65,193,555 km (0.091 R)
• M36: 65,827,401 km (0.111 R)
• M37: 69,937,154 km (0.101 R)
• M38: 74,214,456 km (0.108 R)
• M39: 75,368,454 km (0.225 R)
• M40: 80,830,871 km (0.031 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 292 - 13,002 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit