🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.5

Radius: 13.6

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.57 AU - 0.95 AU

Year: 466 Days

Day: 8.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,360,168 km

• M1: 169,195 km (0.05 R)
• M2: 647,908 km (0.096 R)
• M3: 1,191,996 km (0.065 R)
• M4: 1,711,699 km (0.104 R)
• M5: 2,287,950 km (0.109 R)
• M6: 3,728,428 km (0.097 R)
• M7: 4,192,181 km (0.035 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.1

Radius: 13.4

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.77 AU - 0.83 AU

Year: 503 Days

Day: 12.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,360,168 km

• M1: 166,652 km (0.098 R)
• M2: 728,841 km (0.092 R)
• M3: 1,175,540 km (0.116 R)
• M4: 2,132,667 km (0.101 R)
• M5: 3,208,276 km (0.102 R)
• M6: 4,267,578 km (0.091 R)
• M7: 4,894,394 km (0.086 R)
• M8: 6,057,517 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.3

Radius: 15

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.7 AU - 1.04 AU

Year: 570 Days

Day: 13.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,360,168 km

• M1: 186,549 km (0.094 R)
• M2: 675,883 km (0.114 R)
• M3: 1,183,618 km (0.051 R)
• M4: 1,658,292 km (0.034 R)
• M5: 2,161,091 km (0.099 R)
• M6: 2,757,538 km (0.104 R)
• M7: 3,355,630 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.6

Radius: 9.6

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.76 AU - 1.06 AU

Year: 610 Days

Day: 7.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,360,168 km

• M1: 119,529 km (0.115 R)
• M2: 708,196 km (0.098 R)
• M3: 1,053,468 km (0.081 R)
• M4: 1,425,069 km (0.025 R)
• M5: 1,748,201 km (0.118 R)
• M6: 2,207,317 km (0.12 R)
• M7: 2,745,570 km (0.045 R)
• M8: 3,126,446 km (0.104 R)
• M9: 3,693,871 km (0.119 R)
• M10: 4,375,289 km (0.106 R)
• M11: 4,982,507 km (0.093 R)
• M12: 5,533,625 km (0.079 R)
• M13: 6,085,342 km (0.051 R)
• M14: 6,884,793 km (0.089 R)
• M15: 7,614,681 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771

Radius: 13.2

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.87 AU - 1.41 AU

Year: 856 Days

Day: 9.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,360,168 km

• M1: 164,258 km (0.103 R)
• M2: 600,785 km (0.112 R)
• M3: 1,031,477 km (0.091 R)
• M4: 1,637,947 km (0.112 R)
• M5: 2,303,209 km (0.052 R)
• M6: 2,887,837 km (0.048 R)
• M7: 3,331,545 km (0.047 R)
• M8: 3,989,476 km (0.086 R)
• M9: 4,475,220 km (0.045 R)
• M10: 5,278,411 km (0.079 R)
• M11: 5,784,800 km (0.055 R)
• M12: 6,238,680 km (0.07 R)
• M13: 7,102,159 km (0.07 R)
• M14: 7,745,430 km (0.109 R)
• M15: 8,531,716 km (0.04 R)
• M16: 9,231,685 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 141.2

Radius: 6.1

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 5.13 AU - 5.87 AU

Year: 9067 Days

Day: 22.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,360,168 km

• M1: 76,594 km (0.116 R)
• M2: 349,909 km (0.112 R)
• M3: 694,583 km (0.117 R)
• M4: 942,467 km (0.05 R)
• M5: 1,743,264 km (0.094 R)
• M6: 2,007,603 km (0.041 R)
• M7: 2,718,044 km (0.109 R)
• M8: 3,037,585 km (0.076 R)
• M9: 3,303,271 km (0.098 R)
• M10: 4,720,710 km (0.087 R)
• M11: 5,535,570 km (0.033 R)
• M12: 5,817,412 km (0.108 R)
• M13: 7,440,400 km (0.059 R)
• M14: 8,030,713 km (0.089 R)
• M15: 8,428,942 km (0.119 R)
• M16: 9,304,240 km (0.059 R)
• M17: 13,017,408 km (0.106 R)
• M18: 13,265,292 km (0.112 R)
• M19: 18,346,832 km (0.085 R)
• M20: 19,550,497 km (0.102 R)
• M21: 20,470,374 km (0.093 R)
• M22: 23,769,755 km (0.101 R)
• M23: 24,893,086 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 715.6

Radius: 7.7

Gravity: 12.07 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 5.27 AU - 7.29 AU

Year: 11062 Days

Day: 16.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 63,360,168 km

• M1: 98,136 km (0.028 R)
• M2: 346,469 km (0.039 R)
• M3: 633,697 km (0.099 R)
• M4: 946,655 km (0.114 R)
• M5: 1,272,629 km (0.092 R)
• M6: 1,540,260 km (0.094 R)
• M7: 2,360,505 km (0.111 R)
• M8: 2,704,730 km (0.105 R)
• M9: 3,295,940 km (0.09 R)
• M10: 3,545,320 km (0.104 R)
• M11: 5,283,049 km (0.084 R)
• M12: 5,874,409 km (0.105 R)
• M13: 7,024,518 km (0.103 R)
• M14: 7,354,979 km (0.067 R)
• M15: 8,136,778 km (0.06 R)
• M16: 9,313,066 km (0.065 R)
• M17: 9,561,249 km (0.101 R)
• M18: 10,760,425 km (0.114 R)
• M19: 14,956,795 km (0.102 R)
• M20: 15,504,623 km (0.067 R)
• M21: 15,783,473 km (0.085 R)
• M22: 16,859,231 km (0.077 R)
• M23: 21,480,758 km (0.098 R)
• M24: 25,310,763 km (0.099 R)
• M25: 26,782,058 km (0.093 R)
• M26: 31,872,874 km (0.051 R)
• M27: 32,665,443 km (0.12 R)
• M28: 37,198,408 km (0.062 R)
• M29: 37,447,937 km (0.098 R)
• M30: 40,398,905 km (0.101 R)
• M31: 48,521,471 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 468.6

Radius: 7.7

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 6.62 AU - 7.4 AU

Year: 13046 Days

Day: 20.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,360,168 km

• M1: 105,616 km (0.101 R)
• M2: 389,254 km (0.081 R)
• M3: 1,714,242 km (0.051 R)
• M4: 2,216,891 km (0.101 R)
• M5: 3,012,901 km (0.088 R)
• M6: 4,354,046 km (0.075 R)
• M7: 6,126,631 km (0.083 R)
• M8: 6,616,415 km (0.076 R)
• M9: 6,970,513 km (0.081 R)
• M10: 15,165,783 km (0.111 R)
• M11: 15,851,690 km (0.078 R)
• M12: 17,065,078 km (0.107 R)
• M13: 22,277,217 km (0.106 R)
• M14: 23,073,527 km (0.107 R)
• M15: 26,646,074 km (0.084 R)
• M16: 39,930,364 km (0.069 R)
• M17: 46,031,564 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 645

Radius: 6.4

Gravity: 15.75 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 6.08 AU - 9.32 AU

Year: 15019 Days

Day: 21 Hours

Environment

Temp: -226 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,360,168 km

• M1: 79,586 km (0.101 R)
• M2: 304,282 km (0.083 R)
• M3: 550,071 km (0.076 R)
• M4: 919,728 km (0.086 R)
• M5: 1,489,097 km (0.117 R)
• M6: 1,741,020 km (0.097 R)
• M7: 1,966,464 km (0.11 R)
• M8: 5,040,700 km (0.116 R)
• M9: 5,502,210 km (0.105 R)
• M10: 6,306,597 km (0.11 R)
• M11: 6,591,432 km (0.118 R)
• M12: 6,800,270 km (0.118 R)
• M13: 7,725,384 km (0.062 R)
• M14: 8,242,394 km (0.09 R)
• M15: 8,484,742 km (0.077 R)
• M16: 9,986,107 km (0.108 R)
• M17: 11,839,175 km (0.108 R)
• M18: 14,887,531 km (0.085 R)
• M19: 15,102,803 km (0.118 R)
• M20: 19,173,361 km (0.078 R)
• M21: 21,825,731 km (0.108 R)
• M22: 24,813,500 km (0.113 R)
• M23: 27,198,838 km (0.105 R)
• M24: 35,010,988 km (0.044 R)
• M25: 39,219,475 km (0.108 R)
• M26: 39,493,239 km (0.117 R)
• M27: 41,728,980 km (0.075 R)
• M28: 44,195,400 km (0.115 R)
• M29: 44,938,901 km (0.106 R)
• M30: 60,879,452 km (0.052 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 323.1

Radius: 5.1

Gravity: 12.42 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 8.56 AU - 11.38 AU

Year: 22128 Days

Day: 22.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,360,168 km

• M1: 63,429 km (0.107 R)
• M2: 426,504 km (0.081 R)
• M3: 833,559 km (0.038 R)
• M4: 1,113,008 km (0.085 R)
• M5: 2,041,861 km (0.117 R)
• M6: 3,141,406 km (0.09 R)
• M7: 4,854,152 km (0.071 R)
• M8: 6,305,251 km (0.081 R)
• M9: 6,933,113 km (0.102 R)
• M10: 7,464,784 km (0.103 R)
• M11: 12,800,641 km (0.045 R)
• M12: 14,572,329 km (0.071 R)
• M13: 16,969,335 km (0.084 R)
• M14: 19,878,266 km (0.106 R)
• M15: 28,735,956 km (0.071 R)
• M16: 30,216,676 km (0.101 R)
• M17: 39,486,956 km (0.096 R)
• M18: 43,493,187 km (0.099 R)
• M19: 48,552,587 km (0.117 R)
• M20: 49,673,973 km (0.117 R)
• M21: 55,540,902 km (0.102 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 19,330 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit