🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.7

Radius: 12.6

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.48 AU - 0.58 AU

Year: 271 Days

Day: 10.1 Hours

Environment

Temp: -137 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 37,004,570 km

• M1: 157,676 km (0.027 R)
• M2: 576,401 km (0.086 R)
• M3: 1,161,627 km (0.052 R)
• M4: 2,708,619 km (0.081 R)
• M5: 3,146,941 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.3

Radius: 13.2

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.56 AU - 1.74 AU

Year: 1490 Days

Day: 11.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,004,570 km

• M1: 164,109 km (0.117 R)
• M2: 671,096 km (0.112 R)
• M3: 1,553,574 km (0.056 R)
• M4: 2,301,264 km (0.079 R)
• M5: 3,115,076 km (0.105 R)
• M6: 3,541,730 km (0.12 R)
• M7: 4,496,014 km (0.037 R)
• M8: 5,505,950 km (0.1 R)
• M9: 6,204,871 km (0.061 R)
• M10: 6,836,024 km (0.101 R)
• M11: 7,590,147 km (0.105 R)
• M12: 8,029,516 km (0.114 R)
• M13: 9,111,258 km (0.104 R)
• M14: 9,545,242 km (0.05 R)
• M15: 9,992,839 km (0.08 R)
• M16: 11,173,764 km (0.096 R)
• M17: 11,635,423 km (0.11 R)
• M18: 12,521,192 km (0.12 R)
• M19: 13,214,728 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.9

Radius: 13.1

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.67 AU - 3.81 AU

Year: 4099 Days

Day: 10.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,004,570 km

• M1: 163,062 km (0.114 R)
• M2: 591,360 km (0.051 R)
• M3: 1,306,438 km (0.118 R)
• M4: 2,042,909 km (0.102 R)
• M5: 5,615,754 km (0.12 R)
• M6: 6,665,632 km (0.089 R)
• M7: 7,389,985 km (0.071 R)
• M8: 8,239,402 km (0.076 R)
• M9: 8,879,681 km (0.087 R)
• M10: 9,798,511 km (0.08 R)
• M11: 10,302,656 km (0.087 R)
• M12: 11,825,712 km (0.102 R)
• M13: 12,641,319 km (0.045 R)
• M14: 13,239,412 km (0.075 R)
• M15: 14,278,219 km (0.115 R)
• M16: 14,763,066 km (0.111 R)
• M17: 15,652,126 km (0.051 R)
• M18: 20,168,037 km (0.083 R)
• M19: 22,181,026 km (0.05 R)
• M20: 22,905,229 km (0.117 R)
• M21: 25,172,834 km (0.07 R)
• M22: 25,802,042 km (0.037 R)
• M23: 27,835,975 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.7

Radius: 13.4

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.03 AU - 3.69 AU

Year: 4329 Days

Day: 11.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,004,570 km

• M1: 166,652 km (0.105 R)
• M2: 613,052 km (0.06 R)
• M3: 1,203,066 km (0.116 R)
• M4: 2,893,672 km (0.089 R)
• M5: 3,315,837 km (0.088 R)
• M6: 4,038,395 km (0.075 R)
• M7: 4,665,658 km (0.09 R)
• M8: 8,458,264 km (0.086 R)
• M9: 9,020,752 km (0.117 R)
• M10: 9,568,280 km (0.044 R)
• M11: 10,263,012 km (0.092 R)
• M12: 14,252,788 km (0.11 R)
• M13: 15,159,650 km (0.11 R)
• M14: 17,265,988 km (0.113 R)
• M15: 19,951,419 km (0.078 R)
• M16: 20,480,248 km (0.056 R)
• M17: 21,290,919 km (0.118 R)
• M18: 24,522,681 km (0.03 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.1

Radius: 13.6

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 4.74 AU - 4.86 AU

Year: 7392 Days

Day: 7.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,004,570 km

• M1: 169,345 km (0.11 R)
• M2: 1,094,608 km (0.113 R)
• M3: 2,077,017 km (0.1 R)
• M4: 3,073,787 km (0.118 R)
• M5: 4,666,257 km (0.103 R)
• M6: 5,387,618 km (0.096 R)
• M7: 6,044,801 km (0.115 R)
• M8: 6,512,145 km (0.104 R)
• M9: 7,003,574 km (0.117 R)
• M10: 10,896,709 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.7

Radius: 8.2

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 4.78 AU - 5.26 AU

Year: 7906 Days

Day: 10.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 37,004,570 km

• M1: 102,325 km (0.102 R)
• M2: 484,697 km (0.12 R)
• M3: 771,027 km (0.107 R)
• M4: 1,340,247 km (0.119 R)
• M5: 2,181,735 km (0.096 R)
• M6: 3,998,751 km (0.115 R)
• M7: 5,031,874 km (0.098 R)
• M8: 5,867,228 km (0.119 R)
• M9: 7,158,408 km (0.057 R)
• M10: 9,146,713 km (0.094 R)
• M11: 9,413,147 km (0.036 R)
• M12: 9,915,048 km (0.108 R)
• M13: 11,426,136 km (0.042 R)
• M14: 13,309,872 km (0.076 R)
• M15: 16,608,356 km (0.06 R)
• M16: 18,800,563 km (0.116 R)
• M17: 20,040,131 km (0.084 R)
• M18: 21,178,571 km (0.113 R)
• M19: 22,681,580 km (0.097 R)
• M20: 24,937,965 km (0.082 R)
• M21: 27,986,919 km (0.11 R)
• M22: 29,600,631 km (0.085 R)
• M23: 32,085,303 km (0.027 R)
• M24: 35,246,306 km (0.12 R)
• M25: 37,239,248 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 802.3

Radius: 7.9

Gravity: 12.86 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.95 AU - 5.95 AU

Year: 8943 Days

Day: 22 Hours

Environment

Temp: -220 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 37,004,570 km

• M1: 98,585 km (0.088 R)
• M2: 389,852 km (0.081 R)
• M3: 911,350 km (0.081 R)
• M4: 1,312,123 km (0.09 R)
• M5: 1,561,054 km (0.106 R)
• M6: 2,122,195 km (0.118 R)
• M7: 2,586,098 km (0.084 R)
• M8: 4,477,913 km (0.1 R)
• M9: 4,865,072 km (0.111 R)
• M10: 5,114,153 km (0.104 R)
• M11: 5,809,334 km (0.029 R)
• M12: 6,416,851 km (0.107 R)
• M13: 6,870,731 km (0.065 R)
• M14: 8,317,642 km (0.118 R)
• M15: 9,277,312 km (0.064 R)
• M16: 9,613,159 km (0.085 R)
• M17: 10,514,038 km (0.103 R)
• M18: 11,091,635 km (0.113 R)
• M19: 12,774,312 km (0.082 R)
• M20: 13,492,830 km (0.046 R)
• M21: 16,220,598 km (0.087 R)
• M22: 16,991,476 km (0.093 R)
• M23: 18,758,077 km (0.097 R)
• M24: 21,548,676 km (0.112 R)
• M25: 22,223,362 km (0.079 R)
• M26: 24,151,379 km (0.118 R)
• M27: 25,903,918 km (0.099 R)
• M28: 29,763,843 km (0.069 R)
• M29: 30,389,760 km (0.113 R)
• M30: 30,706,160 km (0.106 R)
• M31: 40,479,987 km (0.118 R)
• M32: 42,026,231 km (0.099 R)
• M33: 44,014,087 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 47

Radius: 3.9

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.62 AU - 7.66 AU

Year: 12027 Days

Day: 23.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,004,570 km

• M1: 60,737 km (0.082 R)
• M2: 184,155 km (0.091 R)
• M3: 545,135 km (0.082 R)
• M4: 1,352,066 km (0.116 R)
• M5: 2,917,308 km (0.095 R)
• M6: 4,976,523 km (0.118 R)
• M7: 6,101,798 km (0.092 R)
• M8: 9,094,803 km (0.044 R)
• M9: 15,036,531 km (0.106 R)
• M10: 16,353,590 km (0.069 R)
• M11: 18,676,845 km (0.077 R)
• M12: 20,447,037 km (0.072 R)
• M13: 20,572,998 km (0.035 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292.9

Radius: 5.8

Gravity: 8.71 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 5.61 AU - 8.15 AU

Year: 12685 Days

Day: 23.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 37,004,570 km

• M1: 74,500 km (0.095 R)
• M2: 272,418 km (0.085 R)
• M3: 503,846 km (0.088 R)
• M4: 708,645 km (0.106 R)
• M5: 1,318,406 km (0.055 R)
• M6: 1,776,774 km (0.076 R)
• M7: 2,482,876 km (0.086 R)
• M8: 2,755,443 km (0.051 R)
• M9: 3,269,461 km (0.095 R)
• M10: 4,714,876 km (0.095 R)
• M11: 7,490,814 km (0.052 R)
• M12: 7,731,816 km (0.064 R)
• M13: 8,443,005 km (0.109 R)
• M14: 8,704,053 km (0.079 R)
• M15: 9,660,731 km (0.116 R)
• M16: 12,383,413 km (0.095 R)
• M17: 13,472,485 km (0.116 R)
• M18: 13,769,437 km (0.093 R)
• M19: 16,237,054 km (0.118 R)
• M20: 17,051,913 km (0.111 R)
• M21: 18,108,373 km (0.109 R)
• M22: 18,616,109 km (0.116 R)
• M23: 20,742,194 km (0.095 R)
• M24: 21,138,179 km (0.119 R)
• M25: 21,378,134 km (0.117 R)
• M26: 21,782,198 km (0.096 R)
• M27: 22,856,460 km (0.112 R)
• M28: 29,056,843 km (0.115 R)
• M29: 30,560,900 km (0.05 R)
• M30: 30,970,649 km (0.097 R)
• M31: 31,905,785 km (0.045 R)
• M32: 35,608,931 km (0.095 R)
• M33: 36,062,661 km (0.078 R)
• M34: 40,937,158 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 170.9

Radius: 5.7

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 6.8 AU - 7.6 AU

Year: 13580 Days

Day: 19.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,004,570 km

• M1: 90,507 km (0.119 R)
• M2: 469,588 km (0.104 R)
• M3: 981,063 km (0.09 R)
• M4: 1,837,511 km (0.047 R)
• M5: 2,364,394 km (0.108 R)
• M6: 3,090,094 km (0.082 R)
• M7: 3,549,957 km (0.078 R)
• M8: 4,912,794 km (0.095 R)
• M9: 6,148,921 km (0.043 R)
• M10: 7,351,838 km (0.108 R)
• M11: 9,752,884 km (0.072 R)
• M12: 11,581,867 km (0.06 R)
• M13: 15,037,279 km (0.094 R)
• M14: 15,466,026 km (0.035 R)
• M15: 16,801,337 km (0.095 R)
• M16: 19,844,756 km (0.103 R)
• M17: 25,584,976 km (0.111 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 448 - 19,634 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit