🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.2

Radius: 8.6

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.57 AU - 0.87 AU

Year: 388 Days

Day: 6.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,899,191 km

• M1: 106,962 km (0.108 R)
• M2: 383,419 km (0.118 R)
• M3: 717,621 km (0.103 R)
• M4: 1,316,760 km (0.107 R)
• M5: 1,653,655 km (0.085 R)
• M6: 2,111,275 km (0.108 R)
• M7: 2,824,557 km (0.118 R)
• M8: 3,109,392 km (0.118 R)
• M9: 3,391,085 km (0.069 R)
• M10: 3,689,682 km (0.101 R)
• M11: 4,380,226 km (0.067 R)
• M12: 4,749,433 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.9

Radius: 9.1

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.06 AU - 1.76 AU

Year: 1065 Days

Day: 13.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,899,191 km

• M1: 113,096 km (0.089 R)
• M2: 531,521 km (0.1 R)
• M3: 959,371 km (0.093 R)
• M4: 1,411,755 km (0.067 R)
• M5: 1,864,588 km (0.025 R)
• M6: 2,157,500 km (0.084 R)
• M7: 2,505,166 km (0.1 R)
• M8: 2,982,234 km (0.117 R)
• M9: 3,400,808 km (0.034 R)
• M10: 3,716,759 km (0.102 R)
• M11: 4,859,088 km (0.083 R)
• M12: 5,685,617 km (0.099 R)
• M13: 5,981,072 km (0.111 R)
• M14: 6,398,451 km (0.04 R)
• M15: 6,741,628 km (0.106 R)
• M16: 7,666,442 km (0.097 R)
• M17: 9,353,308 km (0.113 R)
• M18: 10,252,840 km (0.083 R)
• M19: 10,660,045 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.5

Radius: 13.9

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.62 AU - 1.68 AU

Year: 1348 Days

Day: 10.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,899,191 km

• M1: 172,935 km (0.04 R)
• M2: 645,964 km (0.082 R)
• M3: 1,282,054 km (0.072 R)
• M4: 1,774,380 km (0.106 R)
• M5: 2,586,248 km (0.073 R)
• M6: 3,330,198 km (0.12 R)
• M7: 3,974,516 km (0.117 R)
• M8: 4,701,113 km (0.109 R)
• M9: 5,535,720 km (0.067 R)
• M10: 6,145,630 km (0.089 R)
• M11: 6,608,336 km (0.043 R)
• M12: 7,372,033 km (0.1 R)
• M13: 8,698,518 km (0.103 R)
• M14: 9,647,118 km (0.036 R)
• M15: 10,500,275 km (0.087 R)
• M16: 11,403,098 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.7

Radius: 14.5

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.44 AU - 2.3 AU

Year: 1626 Days

Day: 11.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,899,191 km

• M1: 180,415 km (0.112 R)
• M2: 724,652 km (0.036 R)
• M3: 2,082,103 km (0.098 R)
• M4: 2,560,966 km (0.096 R)
• M5: 3,625,804 km (0.116 R)
• M6: 5,119,389 km (0.091 R)
• M7: 6,330,383 km (0.058 R)
• M8: 6,781,870 km (0.086 R)
• M9: 7,750,067 km (0.076 R)
• M10: 8,241,347 km (0.103 R)
• M11: 8,836,148 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.5

Radius: 13.1

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.81 AU - 2.89 AU

Year: 2291 Days

Day: 5.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,899,191 km

• M1: 163,062 km (0.116 R)
• M2: 573,708 km (0.119 R)
• M3: 1,015,919 km (0.089 R)
• M4: 2,034,531 km (0.116 R)
• M5: 3,256,596 km (0.103 R)
• M6: 3,752,962 km (0.095 R)
• M7: 4,280,593 km (0.057 R)
• M8: 4,857,592 km (0.099 R)
• M9: 5,441,174 km (0.117 R)
• M10: 6,366,437 km (0.096 R)
• M11: 8,529,323 km (0.11 R)
• M12: 9,912,056 km (0.052 R)
• M13: 10,568,790 km (0.104 R)
• M14: 11,740,142 km (0.034 R)
• M15: 12,754,266 km (0.109 R)
• M16: 14,470,901 km (0.116 R)
• M17: 15,090,984 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.1

Radius: 12.2

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.27 AU - 2.89 AU

Year: 2635 Days

Day: 13.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,899,191 km

• M1: 151,842 km (0.082 R)
• M2: 690,693 km (0.047 R)
• M3: 1,245,851 km (0.064 R)
• M4: 1,694,196 km (0.074 R)
• M5: 2,078,214 km (0.12 R)
• M6: 2,566,052 km (0.085 R)
• M7: 3,874,286 km (0.091 R)
• M8: 4,289,121 km (0.066 R)
• M9: 5,184,464 km (0.046 R)
• M10: 5,742,165 km (0.089 R)
• M11: 6,283,709 km (0.094 R)
• M12: 6,770,650 km (0.089 R)
• M13: 7,500,837 km (0.043 R)
• M14: 8,049,413 km (0.063 R)
• M15: 8,728,886 km (0.085 R)
• M16: 9,263,399 km (0.054 R)
• M17: 9,819,604 km (0.085 R)
• M18: 10,241,470 km (0.113 R)
• M19: 10,836,421 km (0.108 R)
• M20: 11,836,184 km (0.092 R)
• M21: 12,760,549 km (0.045 R)
• M22: 13,171,195 km (0.079 R)
• M23: 16,511,715 km (0.081 R)
• M24: 19,646,389 km (0.029 R)
• M25: 21,449,642 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.3

Radius: 11.1

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.81 AU - 3.43 AU

Year: 3504 Days

Day: 6.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,899,191 km

• M1: 146,008 km (0.119 R)
• M2: 492,177 km (0.114 R)
• M3: 1,185,563 km (0.099 R)
• M4: 1,579,754 km (0.079 R)
• M5: 1,971,102 km (0.111 R)
• M6: 2,563,808 km (0.116 R)
• M7: 3,272,304 km (0.057 R)
• M8: 3,653,479 km (0.044 R)
• M9: 4,644,415 km (0.09 R)
• M10: 5,330,322 km (0.115 R)
• M11: 7,183,391 km (0.053 R)
• M12: 7,535,095 km (0.079 R)
• M13: 8,067,215 km (0.111 R)
• M14: 8,839,589 km (0.095 R)
• M15: 9,281,351 km (0.092 R)
• M16: 9,699,178 km (0.077 R)
• M17: 11,803,272 km (0.08 R)
• M18: 13,605,627 km (0.114 R)
• M19: 15,797,984 km (0.087 R)
• M20: 17,575,506 km (0.076 R)
• M21: 19,980,292 km (0.081 R)
• M22: 22,870,223 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.3

Radius: 10.4

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.68 AU - 3.74 AU

Year: 4544 Days

Day: 9.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,899,191 km

• M1: 131,347 km (0.063 R)
• M2: 488,886 km (0.111 R)
• M3: 1,084,884 km (0.09 R)
• M4: 1,704,369 km (0.05 R)
• M5: 2,038,121 km (0.107 R)
• M6: 2,415,856 km (0.109 R)
• M7: 3,497,748 km (0.087 R)
• M8: 4,570,065 km (0.076 R)
• M9: 5,790,036 km (0.114 R)
• M10: 7,491,113 km (0.081 R)
• M11: 8,399,771 km (0.1 R)
• M12: 9,258,762 km (0.108 R)
• M13: 11,196,802 km (0.043 R)
• M14: 11,756,298 km (0.11 R)
• M15: 12,236,657 km (0.066 R)
• M16: 13,339,792 km (0.083 R)
• M17: 16,033,152 km (0.069 R)
• M18: 20,827,315 km (0.052 R)
• M19: 21,889,160 km (0.112 R)
• M20: 26,910,712 km (0.115 R)
• M21: 27,326,145 km (0.083 R)
• M22: 28,770,662 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 382.6

Radius: 5.2

Gravity: 14.15 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 7.15 AU - 11.37 AU

Year: 17916 Days

Day: 16.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 72,899,191 km

• M1: 71,508 km (0.089 R)
• M2: 307,424 km (0.115 R)
• M3: 482,752 km (0.067 R)
• M4: 709,692 km (0.077 R)
• M5: 1,588,430 km (0.033 R)
• M6: 4,132,492 km (0.075 R)
• M7: 4,498,408 km (0.108 R)
• M8: 4,885,567 km (0.108 R)
• M9: 6,377,507 km (0.043 R)
• M10: 6,824,356 km (0.111 R)
• M11: 8,921,718 km (0.116 R)
• M12: 10,950,415 km (0.077 R)
• M13: 12,691,435 km (0.094 R)
• M14: 16,711,279 km (0.093 R)
• M15: 19,089,735 km (0.088 R)
• M16: 23,066,196 km (0.049 R)
• M17: 26,207,602 km (0.067 R)
• M18: 26,413,000 km (0.08 R)
• M19: 28,961,101 km (0.107 R)
• M20: 31,091,075 km (0.068 R)
• M21: 32,135,567 km (0.075 R)
• M22: 34,416,935 km (0.083 R)
• M23: 36,419,901 km (0.076 R)
• M24: 37,841,230 km (0.095 R)
• M25: 43,752,440 km (0.087 R)
• M26: 46,399,575 km (0.115 R)
• M27: 48,222,425 km (0.119 R)
• M28: 51,045,187 km (0.12 R)
• M29: 51,848,528 km (0.077 R)
• M30: 52,823,457 km (0.054 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 565

Radius: 7.2

Gravity: 10.9 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 9.89 AU - 10.47 AU

Year: 20652 Days

Day: 19.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 72,899,191 km

• M1: 90,507 km (0.089 R)
• M2: 360,680 km (0.096 R)
• M3: 689,646 km (0.054 R)
• M4: 941,270 km (0.098 R)
• M5: 1,240,914 km (0.071 R)
• M6: 1,587,233 km (0.111 R)
• M7: 2,343,600 km (0.031 R)
• M8: 4,053,354 km (0.086 R)
• M9: 4,475,370 km (0.074 R)
• M10: 5,107,720 km (0.063 R)
• M11: 7,176,509 km (0.098 R)
• M12: 9,245,448 km (0.088 R)
• M13: 11,618,219 km (0.11 R)
• M14: 12,071,651 km (0.117 R)
• M15: 14,666,126 km (0.111 R)
• M16: 16,293,003 km (0.077 R)
• M17: 17,610,661 km (0.049 R)
• M18: 18,556,718 km (0.09 R)
• M19: 19,626,941 km (0.084 R)
• M20: 20,362,963 km (0.072 R)
• M21: 22,283,500 km (0.101 R)
• M22: 23,389,627 km (0.085 R)
• M23: 24,637,573 km (0.083 R)
• M24: 27,039,815 km (0.114 R)
• M25: 32,177,604 km (0.103 R)
• M26: 34,376,394 km (0.087 R)
• M27: 35,987,563 km (0.075 R)
• M28: 48,200,434 km (0.075 R)
• M29: 48,532,541 km (0.094 R)
• M30: 49,033,694 km (0.117 R)
• M31: 54,595,743 km (0.116 R)
• M32: 58,465,840 km (0.079 R)
• M33: 68,198,677 km (0.1 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: 202 - 10,858 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit