🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.58 AU - 0.72 AU

Year: 333 Days

Day: 29 Hours

Environment

Temp: -131 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 65,123,073 km

• M1: 62,083 km (0.083 R)
• M2: 754,721 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.5

Radius: 10.9

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.78 AU - 1.3 AU

Year: 674 Days

Day: 10.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,123,073 km

• M1: 135,536 km (0.12 R)
• M2: 544,087 km (0.073 R)
• M3: 973,733 km (0.108 R)
• M4: 1,476,531 km (0.105 R)
• M5: 1,995,636 km (0.091 R)
• M6: 2,544,510 km (0.032 R)
• M7: 2,915,662 km (0.075 R)
• M8: 3,309,853 km (0.075 R)
• M9: 3,754,159 km (0.107 R)
• M10: 4,238,108 km (0.078 R)
• M11: 4,901,275 km (0.117 R)
• M12: 5,806,492 km (0.118 R)
• M13: 6,413,560 km (0.041 R)
• M14: 7,707,282 km (0.113 R)
• M15: 8,618,782 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.7

Radius: 9.5

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.3 AU - 1.72 AU

Year: 1180 Days

Day: 6.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,123,073 km

• M1: 118,182 km (0.095 R)
• M2: 436,227 km (0.104 R)
• M3: 910,453 km (0.096 R)
• M4: 1,298,061 km (0.076 R)
• M5: 1,837,511 km (0.111 R)
• M6: 2,164,681 km (0.063 R)
• M7: 2,662,244 km (0.108 R)
• M8: 3,022,924 km (0.12 R)
• M9: 3,496,252 km (0.055 R)
• M10: 3,886,702 km (0.07 R)
• M11: 6,395,907 km (0.068 R)
• M12: 6,747,612 km (0.055 R)
• M13: 7,951,576 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.2

Radius: 11.4

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.32 AU - 3.84 AU

Year: 4307 Days

Day: 14.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,123,073 km

• M1: 143,165 km (0.071 R)
• M2: 540,348 km (0.103 R)
• M3: 1,358,049 km (0.069 R)
• M4: 1,855,313 km (0.079 R)
• M5: 2,830,093 km (0.111 R)
• M6: 3,930,983 km (0.109 R)
• M7: 4,953,335 km (0.061 R)
• M8: 6,228,807 km (0.076 R)
• M9: 6,719,039 km (0.045 R)
• M10: 7,080,467 km (0.088 R)
• M11: 8,346,065 km (0.095 R)
• M12: 9,050,821 km (0.104 R)
• M13: 11,320,819 km (0.093 R)
• M14: 12,723,897 km (0.081 R)
• M15: 13,801,900 km (0.032 R)
• M16: 16,299,885 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.4

Radius: 8.1

Gravity: 14.59 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.07 AU - 4.95 AU

Year: 5106 Days

Day: 13.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,123,073 km

• M1: 115,789 km (0.119 R)
• M2: 459,265 km (0.094 R)
• M3: 977,024 km (0.107 R)
• M4: 1,395,599 km (0.117 R)
• M5: 3,577,184 km (0.072 R)
• M6: 5,718,079 km (0.072 R)
• M7: 6,127,379 km (0.074 R)
• M8: 7,584,911 km (0.118 R)
• M9: 9,260,108 km (0.116 R)
• M10: 10,598,560 km (0.072 R)
• M11: 16,051,253 km (0.067 R)
• M12: 19,759,635 km (0.114 R)
• M13: 24,083,163 km (0.06 R)
• M14: 25,234,169 km (0.05 R)
• M15: 29,458,962 km (0.067 R)
• M16: 30,018,159 km (0.115 R)
• M17: 31,157,646 km (0.074 R)
• M18: 31,640,997 km (0.112 R)
• M19: 33,422,109 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.3

Radius: 9.4

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.61 AU - 4.79 AU

Year: 5473 Days

Day: 6.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,123,073 km

• M1: 116,986 km (0.11 R)
• M2: 445,353 km (0.053 R)
• M3: 806,482 km (0.105 R)
• M4: 1,481,318 km (0.051 R)
• M5: 1,801,009 km (0.092 R)
• M6: 2,262,069 km (0.101 R)
• M7: 2,690,069 km (0.112 R)
• M8: 3,212,315 km (0.084 R)
• M9: 4,012,364 km (0.049 R)
• M10: 4,306,773 km (0.106 R)
• M11: 4,884,520 km (0.089 R)
• M12: 5,785,398 km (0.073 R)
• M13: 6,522,467 km (0.064 R)
• M14: 7,106,647 km (0.061 R)
• M15: 7,466,131 km (0.048 R)
• M16: 8,261,094 km (0.073 R)
• M17: 9,153,146 km (0.103 R)
• M18: 10,153,207 km (0.077 R)
• M19: 10,517,478 km (0.094 R)
• M20: 11,369,438 km (0.098 R)
• M21: 13,754,776 km (0.058 R)
• M22: 14,201,326 km (0.037 R)
• M23: 19,352,130 km (0.081 R)
• M24: 19,771,752 km (0.083 R)
• M25: 22,341,993 km (0.054 R)
• M26: 23,350,881 km (0.107 R)
• M27: 24,552,451 km (0.117 R)
• M28: 25,710,488 km (0.096 R)
• M29: 28,493,906 km (0.075 R)
• M30: 29,958,320 km (0.091 R)
• M31: 31,184,424 km (0.08 R)
• M32: 32,443,739 km (0.085 R)
• M33: 33,335,342 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.2

Radius: 9.7

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.61 AU - 4.65 AU

Year: 6334 Days

Day: 5.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 124.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,123,073 km

• M1: 121,773 km (0.05 R)
• M2: 464,053 km (0.058 R)
• M3: 948,301 km (0.119 R)
• M4: 1,352,963 km (0.082 R)
• M5: 1,792,033 km (0.106 R)
• M6: 2,247,110 km (0.09 R)
• M7: 5,717,780 km (0.106 R)
• M8: 6,940,144 km (0.039 R)
• M9: 9,767,245 km (0.109 R)
• M10: 11,741,937 km (0.081 R)
• M11: 12,274,505 km (0.119 R)
• M12: 13,077,846 km (0.073 R)
• M13: 15,756,545 km (0.078 R)
• M14: 16,464,442 km (0.061 R)
• M15: 17,943,816 km (0.059 R)
• M16: 21,736,870 km (0.091 R)
• M17: 23,061,559 km (0.1 R)
• M18: 23,897,063 km (0.104 R)
• M19: 24,283,474 km (0.072 R)
• M20: 26,196,532 km (0.112 R)
• M21: 27,526,307 km (0.109 R)
• M22: 28,293,894 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 505.6

Radius: 3.8

Gravity: 35.01 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 5.36 AU - 8.62 AU

Year: 11750 Days

Day: 21.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 65,123,073 km

• M1: 48,320 km (0.03 R)
• M2: 200,312 km (0.077 R)
• M3: 404,513 km (0.057 R)
• M4: 574,456 km (0.098 R)
• M5: 923,916 km (0.084 R)
• M6: 1,105,079 km (0.105 R)
• M7: 1,271,881 km (0.11 R)
• M8: 2,547,951 km (0.082 R)
• M9: 2,691,415 km (0.073 R)
• M10: 2,949,920 km (0.058 R)
• M11: 3,085,306 km (0.101 R)
• M12: 3,417,264 km (0.051 R)
• M13: 3,591,994 km (0.063 R)
• M14: 3,720,499 km (0.086 R)
• M15: 4,265,185 km (0.104 R)
• M16: 5,146,765 km (0.075 R)
• M17: 6,745,069 km (0.105 R)
• M18: 7,343,909 km (0.118 R)
• M19: 8,152,486 km (0.12 R)
• M20: 10,249,249 km (0.029 R)
• M21: 11,699,451 km (0.119 R)
• M22: 12,679,616 km (0.077 R)
• M23: 13,403,670 km (0.059 R)
• M24: 19,337,918 km (0.051 R)
• M25: 19,495,445 km (0.07 R)
• M26: 20,621,767 km (0.077 R)
• M27: 22,218,874 km (0.095 R)
• M28: 22,915,402 km (0.081 R)
• M29: 24,443,394 km (0.08 R)
• M30: 24,812,602 km (0.108 R)
• M31: 25,656,783 km (0.094 R)
• M32: 26,423,023 km (0.094 R)
• M33: 27,204,522 km (0.111 R)
• M34: 27,501,474 km (0.119 R)
• M35: 28,813,447 km (0.102 R)
• M36: 29,018,845 km (0.058 R)
• M37: 30,591,269 km (0.037 R)
• M38: 31,127,727 km (0.102 R)
• M39: 32,551,898 km (0.09 R)
• M40: 42,548,477 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 912.9

Radius: 5

Gravity: 36.52 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 7.43 AU - 8.07 AU

Year: 13718 Days

Day: 21.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 65,123,073 km

• M1: 62,233 km (0.091 R)
• M2: 416,929 km (0.091 R)
• M3: 639,232 km (0.092 R)
• M4: 843,433 km (0.108 R)
• M5: 1,259,315 km (0.112 R)
• M6: 3,123,005 km (0.072 R)
• M7: 3,465,734 km (0.075 R)
• M8: 4,163,907 km (0.069 R)
• M9: 4,513,517 km (0.076 R)
• M10: 4,813,910 km (0.088 R)
• M11: 5,873,063 km (0.049 R)
• M12: 8,897,184 km (0.118 R)
• M13: 9,210,292 km (0.073 R)
• M14: 11,672,523 km (0.113 R)
• M15: 14,613,019 km (0.114 R)
• M16: 16,253,061 km (0.117 R)
• M17: 16,563,925 km (0.111 R)
• M18: 18,682,081 km (0.084 R)
• M19: 20,700,456 km (0.111 R)
• M20: 23,446,773 km (0.104 R)
• M21: 25,476,069 km (0.059 R)
• M22: 25,895,541 km (0.113 R)
• M23: 27,181,634 km (0.093 R)
• M24: 28,961,849 km (0.069 R)
• M25: 29,533,761 km (0.087 R)
• M26: 32,506,570 km (0.115 R)
• M27: 38,212,383 km (0.058 R)
• M28: 40,017,730 km (0.069 R)
• M29: 41,733,916 km (0.119 R)
• M30: 42,463,356 km (0.112 R)
• M31: 45,619,571 km (0.052 R)
• M32: 46,393,441 km (0.064 R)
• M33: 46,861,982 km (0.072 R)
• M34: 47,333,664 km (0.1 R)
• M35: 49,414,121 km (0.115 R)
• M36: 51,055,509 km (0.064 R)
• M37: 52,394,410 km (0.09 R)
• M38: 56,551,286 km (0.097 R)
• M39: 64,345,485 km (0.084 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 13,078 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit