🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.4

Radius: 13.4

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.57 AU - 0.79 AU

Year: 387 Days

Day: 9 Hours

Environment

Temp: -166 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,739,735 km

• M1: 166,802 km (0.091 R)
• M2: 613,650 km (0.118 R)
• M3: 1,052,720 km (0.087 R)
• M4: 1,600,996 km (0.054 R)
• M5: 2,267,156 km (0.089 R)
• M6: 2,683,786 km (0.119 R)
• M7: 3,512,708 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.5

Radius: 13.2

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.89 AU - 1.31 AU

Year: 796 Days

Day: 11.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 64,739,735 km

• M1: 164,558 km (0.103 R)
• M2: 605,423 km (0.052 R)
• M3: 1,210,247 km (0.082 R)
• M4: 1,820,157 km (0.089 R)
• M5: 3,569,256 km (0.095 R)
• M6: 4,615,842 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.4

Radius: 14.9

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.16 AU - 1.42 AU

Year: 1011 Days

Day: 12.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,739,735 km

• M1: 185,352 km (0.114 R)
• M2: 718,967 km (0.06 R)
• M3: 1,278,015 km (0.117 R)
• M4: 1,964,669 km (0.092 R)
• M5: 2,461,035 km (0.068 R)
• M6: 3,101,613 km (0.065 R)
• M7: 3,755,655 km (0.039 R)
• M8: 4,851,758 km (0.088 R)
• M9: 5,555,766 km (0.084 R)
• M10: 6,171,361 km (0.109 R)
• M11: 6,770,201 km (0.085 R)
• M12: 7,277,039 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.9

Radius: 9.2

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.53 AU - 1.79 AU

Year: 1476 Days

Day: 12.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,739,735 km

• M1: 114,442 km (0.063 R)
• M2: 599,738 km (0.066 R)
• M3: 893,099 km (0.075 R)
• M4: 1,752,240 km (0.074 R)
• M5: 2,674,660 km (0.067 R)
• M6: 3,070,048 km (0.059 R)
• M7: 3,407,690 km (0.092 R)
• M8: 4,158,522 km (0.114 R)
• M9: 4,691,240 km (0.06 R)
• M10: 5,398,389 km (0.098 R)
• M11: 6,843,205 km (0.056 R)
• M12: 7,208,373 km (0.111 R)
• M13: 8,739,956 km (0.064 R)
• M14: 9,076,701 km (0.11 R)
• M15: 9,486,001 km (0.101 R)
• M16: 9,809,132 km (0.096 R)
• M17: 11,069,195 km (0.118 R)
• M18: 12,472,274 km (0.112 R)
• M19: 13,417,433 km (0.118 R)
• M20: 13,742,958 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.8

Radius: 14.6

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.64 AU - 1.84 AU

Year: 1584 Days

Day: 6.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,739,735 km

• M1: 181,612 km (0.117 R)
• M2: 833,559 km (0.075 R)
• M3: 2,424,383 km (0.114 R)
• M4: 3,034,294 km (0.105 R)
• M5: 3,779,141 km (0.034 R)
• M6: 4,434,530 km (0.057 R)
• M7: 5,290,678 km (0.101 R)
• M8: 5,770,139 km (0.084 R)
• M9: 6,519,475 km (0.097 R)
• M10: 9,040,648 km (0.097 R)
• M11: 10,351,574 km (0.104 R)
• M12: 11,246,319 km (0.084 R)
• M13: 12,080,477 km (0.101 R)
• M14: 12,569,811 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.1

Radius: 8.9

Gravity: 10.14 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.69 AU - 2.13 AU

Year: 1822 Days

Day: 5.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,739,735 km

• M1: 112,348 km (0.109 R)
• M2: 435,330 km (0.096 R)
• M3: 739,163 km (0.113 R)
• M4: 1,024,147 km (0.112 R)
• M5: 1,314,516 km (0.111 R)
• M6: 1,985,613 km (0.113 R)
• M7: 2,340,159 km (0.078 R)
• M8: 2,693,659 km (0.109 R)
• M9: 3,509,117 km (0.045 R)
• M10: 4,359,880 km (0.077 R)
• M11: 5,812,176 km (0.072 R)
• M12: 6,208,162 km (0.102 R)
• M13: 6,889,880 km (0.088 R)
• M14: 7,419,007 km (0.11 R)
• M15: 7,855,534 km (0.097 R)
• M16: 8,558,345 km (0.064 R)
• M17: 8,973,778 km (0.047 R)
• M18: 10,265,555 km (0.085 R)
• M19: 11,293,742 km (0.079 R)
• M20: 11,832,892 km (0.092 R)
• M21: 12,879,629 km (0.054 R)
• M22: 13,425,661 km (0.08 R)
• M23: 14,030,784 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 806.8

Radius: 8

Gravity: 12.61 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 4.89 AU - 7.13 AU

Year: 10170 Days

Day: 21 Hours

Environment

Temp: -229 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,739,735 km

• M1: 99,483 km (0.081 R)
• M2: 461,061 km (0.038 R)
• M3: 1,606,980 km (0.112 R)
• M4: 2,143,289 km (0.109 R)
• M5: 2,708,619 km (0.034 R)
• M6: 3,418,760 km (0.089 R)
• M7: 3,831,052 km (0.079 R)
• M8: 4,161,813 km (0.09 R)
• M9: 4,632,298 km (0.089 R)
• M10: 5,236,673 km (0.111 R)
• M11: 5,749,944 km (0.084 R)
• M12: 6,837,221 km (0.081 R)
• M13: 8,553,857 km (0.062 R)
• M14: 10,699,988 km (0.042 R)
• M15: 11,696,609 km (0.091 R)
• M16: 15,329,144 km (0.12 R)
• M17: 19,090,483 km (0.116 R)
• M18: 19,812,592 km (0.09 R)
• M19: 22,351,567 km (0.112 R)
• M20: 23,790,549 km (0.057 R)
• M21: 27,758,334 km (0.05 R)
• M22: 29,952,037 km (0.025 R)
• M23: 35,275,328 km (0.061 R)
• M24: 36,606,449 km (0.098 R)
• M25: 37,098,626 km (0.073 R)
• M26: 40,275,487 km (0.08 R)
• M27: 42,131,548 km (0.029 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 376.6

Radius: 4.9

Gravity: 15.69 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 6.07 AU - 6.81 AU

Year: 11281 Days

Day: 23.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,739,735 km

• M1: 62,233 km (0.108 R)
• M2: 262,395 km (0.116 R)
• M3: 851,661 km (0.034 R)
• M4: 1,219,671 km (0.081 R)
• M5: 1,601,894 km (0.116 R)
• M6: 2,374,118 km (0.12 R)
• M7: 3,510,464 km (0.052 R)
• M8: 4,614,795 km (0.101 R)
• M9: 4,848,766 km (0.102 R)
• M10: 5,966,861 km (0.037 R)
• M11: 11,252,153 km (0.119 R)
• M12: 13,013,220 km (0.093 R)
• M13: 17,349,314 km (0.105 R)
• M14: 18,058,857 km (0.087 R)
• M15: 22,726,310 km (0.047 R)
• M16: 25,972,135 km (0.12 R)
• M17: 26,712,495 km (0.054 R)
• M18: 29,613,946 km (0.09 R)
• M19: 30,523,800 km (0.044 R)
• M20: 39,323,446 km (0.072 R)
• M21: 39,687,418 km (0.119 R)
• M22: 40,421,943 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 118.2

Radius: 3.4

Gravity: 10.22 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 6.43 AU - 6.45 AU

Year: 11281 Days

Day: 23.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,739,735 km

• M1: 81,830 km (0.106 R)
• M2: 219,310 km (0.05 R)
• M3: 412,292 km (0.068 R)
• M4: 798,703 km (0.101 R)
• M5: 2,586,846 km (0.033 R)
• M6: 3,040,278 km (0.113 R)
• M7: 4,125,909 km (0.097 R)
• M8: 4,846,522 km (0.082 R)
• M9: 5,942,626 km (0.089 R)
• M10: 7,058,177 km (0.081 R)
• M11: 7,435,912 km (0.09 R)
• M12: 8,009,021 km (0.092 R)
• M13: 8,231,324 km (0.072 R)
• M14: 17,096,045 km (0.106 R)
• M15: 18,408,916 km (0.077 R)
• M16: 19,386,837 km (0.088 R)
• M17: 27,470,358 km (0.029 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 800.6

Radius: 8

Gravity: 12.51 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 6.2 AU - 9.04 AU

Year: 14519 Days

Day: 17.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,739,735 km

• M1: 251,624 km (0.081 R)
• M2: 917,185 km (0.105 R)
• M3: 1,248,693 km (0.111 R)
• M4: 1,675,945 km (0.114 R)
• M5: 2,359,757 km (0.095 R)
• M6: 3,590,648 km (0.101 R)
• M7: 5,531,082 km (0.059 R)
• M8: 6,029,243 km (0.104 R)
• M9: 6,515,286 km (0.066 R)
• M10: 6,810,593 km (0.077 R)
• M11: 9,188,451 km (0.07 R)
• M12: 9,777,567 km (0.112 R)
• M13: 10,563,405 km (0.081 R)
• M14: 11,634,825 km (0.12 R)
• M15: 12,452,377 km (0.071 R)
• M16: 14,413,755 km (0.092 R)
• M17: 22,461,671 km (0.102 R)
• M18: 24,025,867 km (0.098 R)
• M19: 38,686,309 km (0.068 R)
• M20: 49,132,429 km (0.062 R)
• M21: 58,368,003 km (0.112 R)
• M22: 61,874,278 km (0.112 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 307 - 13,788 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit