🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.83 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.6

Radius: 14.3

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.51 AU - 1.81 AU

Year: 1476 Days

Day: 10.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,938,342 km

• M1: 178,021 km (0.103 R)
• M2: 781,350 km (0.109 R)
• M3: 1,262,756 km (0.115 R)
• M4: 1,727,257 km (0.119 R)
• M5: 2,203,128 km (0.111 R)
• M6: 2,947,976 km (0.041 R)
• M7: 3,637,771 km (0.118 R)
• M8: 4,471,331 km (0.086 R)
• M9: 4,923,864 km (0.087 R)
• M10: 5,450,748 km (0.078 R)
• M11: 6,062,155 km (0.045 R)
• M12: 6,643,641 km (0.114 R)
• M13: 7,807,064 km (0.07 R)
• M14: 8,408,298 km (0.11 R)
• M15: 9,352,410 km (0.12 R)
• M16: 10,917,353 km (0.071 R)
• M17: 11,817,933 km (0.094 R)
• M18: 12,343,470 km (0.043 R)
• M19: 13,361,184 km (0.102 R)
• M20: 14,014,777 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.8

Radius: 11.8

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.43 AU - 2.17 AU

Year: 1667 Days

Day: 8.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,938,342 km

• M1: 174,730 km (0.116 R)
• M2: 658,530 km (0.085 R)
• M3: 1,314,816 km (0.033 R)
• M4: 1,701,377 km (0.051 R)
• M5: 2,427,973 km (0.102 R)
• M6: 3,035,640 km (0.069 R)
• M7: 3,672,628 km (0.075 R)
• M8: 4,782,943 km (0.033 R)
• M9: 5,348,273 km (0.089 R)
• M10: 6,406,529 km (0.102 R)
• M11: 6,797,578 km (0.119 R)
• M12: 8,681,015 km (0.074 R)
• M13: 9,095,999 km (0.093 R)
• M14: 9,828,431 km (0.102 R)
• M15: 10,385,533 km (0.103 R)
• M16: 11,000,530 km (0.037 R)
• M17: 12,543,333 km (0.087 R)
• M18: 14,624,239 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.7

Radius: 12.7

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.52 AU - 3.12 AU

Year: 3269 Days

Day: 13 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,938,342 km

• M1: 170,542 km (0.112 R)
• M2: 573,259 km (0.066 R)
• M3: 1,136,794 km (0.058 R)
• M4: 1,592,320 km (0.116 R)
• M5: 2,063,104 km (0.077 R)
• M6: 3,983,343 km (0.081 R)
• M7: 4,744,796 km (0.04 R)
• M8: 7,044,863 km (0.101 R)
• M9: 8,056,743 km (0.04 R)
• M10: 8,651,544 km (0.075 R)
• M11: 9,694,989 km (0.105 R)
• M12: 12,439,512 km (0.084 R)
• M13: 14,365,285 km (0.049 R)
• M14: 15,031,893 km (0.105 R)
• M15: 15,612,034 km (0.082 R)
• M16: 16,371,841 km (0.116 R)
• M17: 17,673,642 km (0.083 R)
• M18: 22,331,372 km (0.117 R)
• M19: 22,741,420 km (0.116 R)
• M20: 23,576,924 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.4

Radius: 14.9

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.61 AU - 3.99 AU

Year: 4138 Days

Day: 15 Hours

Environment

Temp: -211 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,938,342 km

• M1: 185,352 km (0.092 R)
• M2: 788,680 km (0.12 R)
• M3: 1,330,972 km (0.079 R)
• M4: 2,306,051 km (0.12 R)
• M5: 5,266,892 km (0.062 R)
• M6: 5,801,256 km (0.059 R)
• M7: 7,566,511 km (0.073 R)
• M8: 8,442,556 km (0.112 R)
• M9: 9,006,839 km (0.096 R)
• M10: 15,575,981 km (0.055 R)
• M11: 16,890,198 km (0.106 R)
• M12: 18,113,310 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.7

Radius: 9.8

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.52 AU - 6.28 AU

Year: 8662 Days

Day: 14.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 32,938,342 km

• M1: 122,072 km (0.07 R)
• M2: 480,508 km (0.117 R)
• M3: 1,304,493 km (0.085 R)
• M4: 1,750,145 km (0.119 R)
• M5: 3,031,601 km (0.116 R)
• M6: 3,388,691 km (0.117 R)
• M7: 4,163,309 km (0.092 R)
• M8: 5,932,154 km (0.081 R)
• M9: 6,700,638 km (0.104 R)
• M10: 8,273,510 km (0.073 R)
• M11: 8,890,901 km (0.107 R)
• M12: 9,671,802 km (0.085 R)
• M13: 11,875,229 km (0.107 R)
• M14: 12,554,104 km (0.055 R)
• M15: 13,592,612 km (0.052 R)
• M16: 14,277,471 km (0.091 R)
• M17: 16,470,426 km (0.045 R)
• M18: 23,157,750 km (0.095 R)
• M19: 23,805,808 km (0.105 R)
• M20: 24,884,708 km (0.114 R)
• M21: 26,784,302 km (0.088 R)
• M22: 27,229,206 km (0.102 R)
• M23: 28,685,990 km (0.094 R)
• M24: 32,152,472 km (0.101 R)
• M25: 33,162,856 km (0.103 R)
• M26: 35,674,006 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 806.8

Radius: 3.1

Gravity: 83.95 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.84 AU - 6.32 AU

Year: 9098 Days

Day: 21.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 32,938,342 km

• M1: 38,596 km (0.091 R)
• M2: 218,862 km (0.107 R)
• M3: 412,741 km (0.109 R)
• M4: 695,032 km (0.091 R)
• M5: 962,961 km (0.12 R)
• M6: 1,092,364 km (0.104 R)
• M7: 1,494,782 km (0.117 R)
• M8: 1,668,914 km (0.088 R)
• M9: 2,005,659 km (0.038 R)
• M10: 2,109,779 km (0.119 R)
• M11: 2,522,968 km (0.101 R)
• M12: 2,987,769 km (0.119 R)
• M13: 3,170,128 km (0.118 R)
• M14: 3,788,117 km (0.087 R)
• M15: 4,424,207 km (0.069 R)
• M16: 5,557,710 km (0.111 R)
• M17: 6,227,759 km (0.107 R)
• M18: 8,334,247 km (0.086 R)
• M19: 10,042,355 km (0.103 R)
• M20: 10,924,534 km (0.103 R)
• M21: 13,879,092 km (0.097 R)
• M22: 16,050,356 km (0.075 R)
• M23: 16,821,682 km (0.072 R)
• M24: 22,836,713 km (0.051 R)
• M25: 24,628,746 km (0.086 R)
• M26: 29,826,225 km (0.046 R)
• M27: 31,527,901 km (0.1 R)
• M28: 33,181,107 km (0.102 R)
• M29: 33,405,803 km (0.076 R)
• M30: 35,708,862 km (0.037 R)
• M31: 38,361,980 km (0.032 R)
• M32: 38,733,581 km (0.073 R)
• M33: 43,248,744 km (0.071 R)
• M34: 43,382,635 km (0.072 R)
• M35: 43,516,824 km (0.07 R)
• M36: 46,259,102 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 186.2

Radius: 5.9

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 6.97 AU - 7.29 AU

Year: 13142 Days

Day: 15.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,938,342 km

• M1: 73,453 km (0.102 R)
• M2: 1,008,589 km (0.104 R)
• M3: 1,750,893 km (0.119 R)
• M4: 4,804,934 km (0.05 R)
• M5: 6,125,135 km (0.105 R)
• M6: 8,429,690 km (0.09 R)
• M7: 11,661,004 km (0.07 R)
• M8: 12,181,306 km (0.12 R)
• M9: 15,385,094 km (0.119 R)
• M10: 18,543,853 km (0.09 R)
• M11: 18,825,246 km (0.118 R)
• M12: 22,109,817 km (0.052 R)
• M13: 22,346,780 km (0.117 R)
• M14: 29,594,797 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 376.7

Radius: 6.2

Gravity: 9.8 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 7.57 AU - 11.53 AU

Year: 20371 Days

Day: 15.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,938,342 km

• M1: 77,791 km (0.106 R)
• M2: 298,448 km (0.053 R)
• M3: 652,546 km (0.1 R)
• M4: 895,044 km (0.118 R)
• M5: 1,695,243 km (0.12 R)
• M6: 3,218,299 km (0.112 R)
• M7: 3,590,648 km (0.069 R)
• M8: 10,621,000 km (0.111 R)
• M9: 16,292,255 km (0.086 R)
• M10: 18,529,491 km (0.099 R)
• M11: 42,013,515 km (0.091 R)
• M12: 44,661,397 km (0.085 R)
• M13: 46,951,142 km (0.07 R)
• M14: 48,520,573 km (0.106 R)
• M15: 57,247,964 km (0.096 R)
• M16: 61,606,647 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 469.2

Radius: 3.2

Gravity: 45.82 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 9.67 AU - 11.15 AU

Year: 23184 Days

Day: 15 Hours

Environment

Temp: -227 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,938,342 km

• M1: 85,271 km (0.098 R)
• M2: 409,749 km (0.081 R)
• M3: 3,349,347 km (0.043 R)
• M4: 3,578,082 km (0.119 R)
• M5: 3,786,771 km (0.118 R)
• M6: 3,940,707 km (0.075 R)
• M7: 5,213,187 km (0.105 R)
• M8: 6,384,239 km (0.098 R)
• M9: 10,561,610 km (0.073 R)
• M10: 13,595,604 km (0.074 R)
• M11: 17,163,065 km (0.107 R)
• M12: 18,099,846 km (0.035 R)
• M13: 18,625,085 km (0.081 R)
• M14: 22,288,587 km (0.117 R)
• M15: 22,790,338 km (0.115 R)
• M16: 26,181,722 km (0.106 R)
• M17: 27,192,854 km (0.055 R)
• M18: 30,627,621 km (0.097 R)
• M19: 31,497,981 km (0.116 R)
• M20: 34,207,797 km (0.037 R)
• M21: 44,198,541 km (0.1 R)
• M22: 52,365,388 km (0.11 R)
• M23: 58,967,591 km (0.07 R)
• M24: 68,603,489 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 40.3

Radius: 7.3

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 9.11 AU - 11.89 AU

Year: 23485 Days

Day: 15.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,938,342 km

• M1: 104,569 km (0.083 R)
• M2: 361,578 km (0.114 R)
• M3: 702,063 km (0.068 R)
• M4: 2,775,938 km (0.077 R)
• M5: 4,271,019 km (0.117 R)
• M6: 4,736,119 km (0.072 R)
• M7: 6,905,887 km (0.115 R)
• M8: 10,741,426 km (0.102 R)
• M9: 15,028,452 km (0.102 R)
• M10: 16,782,936 km (0.115 R)
• M11: 27,373,418 km (0.12 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: 251 - 11,496 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit