🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925

Radius: 14.3

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.51 AU - 0.57 AU

Year: 274 Days

Day: 7.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,448,158 km

• M1: 177,872 km (0.081 R)
• M2: 740,210 km (0.079 R)
• M3: 1,266,795 km (0.078 R)
• M4: 1,734,288 km (0.106 R)
• M5: 2,196,994 km (0.068 R)
• M6: 2,965,179 km (0.104 R)
• M7: 3,435,216 km (0.083 R)
• M8: 4,152,837 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.2

Radius: 14.5

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.57 AU - 0.59 AU

Year: 305 Days

Day: 12.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 68,448,158 km

• M1: 181,761 km (0.113 R)
• M2: 806,033 km (0.08 R)
• M3: 1,498,522 km (0.057 R)
• M4: 3,171,475 km (0.092 R)
• M5: 3,849,452 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.2

Radius: 10.1

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.65 AU - 0.81 AU

Year: 431 Days

Day: 6.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,448,158 km

• M1: 125,662 km (0.045 R)
• M2: 516,412 km (0.065 R)
• M3: 855,849 km (0.118 R)
• M4: 1,170,155 km (0.091 R)
• M5: 1,516,474 km (0.1 R)
• M6: 1,916,199 km (0.114 R)
• M7: 2,836,974 km (0.087 R)
• M8: 3,286,216 km (0.113 R)
• M9: 3,706,736 km (0.09 R)
• M10: 4,245,139 km (0.096 R)
• M11: 4,956,028 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.9

Radius: 10.8

Gravity: 7.81 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.98 AU - 1 AU

Year: 680 Days

Day: 9.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,448,158 km

• M1: 138,677 km (0.065 R)
• M2: 601,383 km (0.112 R)
• M3: 1,407,118 km (0.11 R)
• M4: 1,769,593 km (0.047 R)
• M5: 2,195,050 km (0.074 R)
• M6: 3,308,058 km (0.071 R)
• M7: 3,752,962 km (0.071 R)
• M8: 4,174,678 km (0.116 R)
• M9: 4,544,783 km (0.105 R)
• M10: 5,332,715 km (0.079 R)
• M11: 6,543,261 km (0.039 R)
• M12: 7,179,351 km (0.047 R)
• M13: 7,904,303 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.7

Radius: 11.4

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.81 AU - 2.45 AU

Year: 2146 Days

Day: 8.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,448,158 km

• M1: 141,819 km (0.098 R)
• M2: 530,624 km (0.07 R)
• M3: 898,036 km (0.112 R)
• M4: 1,289,384 km (0.105 R)
• M5: 1,698,085 km (0.058 R)
• M6: 2,490,954 km (0.056 R)
• M7: 3,135,422 km (0.07 R)
• M8: 3,717,357 km (0.109 R)
• M9: 5,238,768 km (0.113 R)
• M10: 6,086,689 km (0.063 R)
• M11: 7,496,798 km (0.074 R)
• M12: 9,217,922 km (0.099 R)
• M13: 10,301,609 km (0.099 R)
• M14: 12,125,506 km (0.082 R)
• M15: 13,114,198 km (0.089 R)
• M16: 14,202,223 km (0.09 R)
• M17: 15,745,325 km (0.106 R)
• M18: 16,351,945 km (0.048 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.5

Radius: 8.8

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.5 AU - 3.62 AU

Year: 3695 Days

Day: 8.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,448,158 km

• M1: 129,103 km (0.091 R)
• M2: 764,445 km (0.092 R)
• M3: 1,107,323 km (0.068 R)
• M4: 1,614,610 km (0.11 R)
• M5: 2,077,166 km (0.082 R)
• M6: 3,018,885 km (0.058 R)
• M7: 3,490,866 km (0.086 R)
• M8: 3,837,036 km (0.052 R)
• M9: 6,460,534 km (0.114 R)
• M10: 6,834,828 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.3

Radius: 14.6

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.61 AU - 4.13 AU

Year: 4270 Days

Day: 10.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,448,158 km

• M1: 182,360 km (0.054 R)
• M2: 685,906 km (0.031 R)
• M3: 1,399,488 km (0.048 R)
• M4: 1,860,100 km (0.052 R)
• M5: 3,017,539 km (0.116 R)
• M6: 3,687,737 km (0.109 R)
• M7: 4,367,809 km (0.094 R)
• M8: 5,661,531 km (0.076 R)
• M9: 6,173,306 km (0.1 R)
• M10: 6,657,404 km (0.109 R)
• M11: 7,384,151 km (0.119 R)
• M12: 9,771,883 km (0.118 R)
• M13: 12,546,474 km (0.108 R)
• M14: 13,467,698 km (0.047 R)
• M15: 13,993,235 km (0.103 R)
• M16: 15,445,232 km (0.116 R)
• M17: 20,466,185 km (0.044 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.7

Radius: 11.6

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.74 AU - 5.82 AU

Year: 7214 Days

Day: 6.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 68,448,158 km

• M1: 144,212 km (0.104 R)
• M2: 545,883 km (0.099 R)
• M3: 1,061,098 km (0.075 R)
• M4: 2,334,176 km (0.04 R)
• M5: 3,248,967 km (0.114 R)
• M6: 3,695,067 km (0.093 R)
• M7: 5,466,456 km (0.108 R)
• M8: 5,841,198 km (0.059 R)
• M9: 6,469,958 km (0.058 R)
• M10: 7,440,699 km (0.085 R)
• M11: 8,220,403 km (0.112 R)
• M12: 9,053,813 km (0.109 R)
• M13: 10,173,852 km (0.111 R)
• M14: 10,791,542 km (0.118 R)
• M15: 12,049,959 km (0.054 R)
• M16: 13,180,470 km (0.097 R)
• M17: 15,776,741 km (0.083 R)
• M18: 16,540,289 km (0.114 R)
• M19: 18,278,915 km (0.11 R)
• M20: 19,479,588 km (0.109 R)
• M21: 21,416,730 km (0.113 R)
• M22: 22,432,051 km (0.08 R)
• M23: 26,283,299 km (0.077 R)
• M24: 30,554,468 km (0.111 R)
• M25: 33,369,151 km (0.11 R)
• M26: 34,626,671 km (0.1 R)

Asteroid Belt

Center: 5.25 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 995.2

Radius: 3

Gravity: 110.58 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.33 AU - 7.11 AU

Year: 9443 Days

Day: 15.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,448,158 km

• M1: 40,242 km (0.071 R)
• M2: 263,442 km (0.088 R)
• M3: 448,794 km (0.067 R)
• M4: 585,825 km (0.102 R)
• M5: 1,123,181 km (0.113 R)
• M6: 1,608,028 km (0.074 R)
• M7: 1,748,350 km (0.109 R)
• M8: 2,000,423 km (0.074 R)
• M9: 3,354,134 km (0.071 R)
• M10: 4,217,912 km (0.12 R)
• M11: 5,119,838 km (0.118 R)
• M12: 5,920,934 km (0.05 R)
• M13: 6,218,035 km (0.105 R)
• M14: 7,128,039 km (0.093 R)
• M15: 7,593,139 km (0.085 R)
• M16: 8,213,821 km (0.087 R)
• M17: 8,397,228 km (0.087 R)
• M18: 9,405,069 km (0.083 R)
• M19: 11,428,978 km (0.034 R)
• M20: 11,600,118 km (0.105 R)
• M21: 14,310,981 km (0.097 R)
• M22: 14,576,517 km (0.116 R)
• M23: 15,323,609 km (0.113 R)
• M24: 16,095,983 km (0.049 R)
• M25: 17,717,923 km (0.111 R)
• M26: 18,024,150 km (0.093 R)
• M27: 20,770,318 km (0.047 R)
• M28: 23,140,098 km (0.065 R)
• M29: 28,512,457 km (0.112 R)
• M30: 30,875,355 km (0.104 R)
• M31: 32,217,547 km (0.114 R)
• M32: 33,832,007 km (0.106 R)
• M33: 38,484,351 km (0.117 R)
• M34: 39,385,379 km (0.044 R)
• M35: 50,702,010 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737.5

Radius: 7.7

Gravity: 12.44 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 6.21 AU - 10.35 AU

Year: 16446 Days

Day: 16.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 68,448,158 km

• M1: 107,112 km (0.11 R)
• M2: 437,574 km (0.082 R)
• M3: 874,400 km (0.119 R)
• M4: 1,283,251 km (0.08 R)
• M5: 1,904,680 km (0.096 R)
• M6: 2,232,150 km (0.111 R)
• M7: 2,642,497 km (0.045 R)
• M8: 3,586,160 km (0.104 R)
• M9: 3,905,851 km (0.083 R)
• M10: 6,365,988 km (0.094 R)
• M11: 7,102,159 km (0.064 R)
• M12: 8,486,986 km (0.106 R)
• M13: 9,269,832 km (0.078 R)
• M14: 13,363,279 km (0.065 R)
• M15: 13,991,590 km (0.105 R)
• M16: 15,534,243 km (0.058 R)
• M17: 16,465,041 km (0.069 R)
• M18: 16,783,385 km (0.098 R)
• M19: 20,016,046 km (0.081 R)
• M20: 20,287,566 km (0.109 R)
• M21: 22,452,696 km (0.12 R)
• M22: 26,251,285 km (0.079 R)
• M23: 26,905,177 km (0.07 R)
• M24: 30,577,057 km (0.109 R)
• M25: 38,337,297 km (0.12 R)
• M26: 38,756,470 km (0.112 R)
• M27: 42,072,606 km (0.095 R)
• M28: 42,817,753 km (0.11 R)
• M29: 49,758,795 km (0.119 R)
• M30: 51,265,246 km (0.05 R)
• M31: 61,138,256 km (0.089 R)
• M32: 62,479,102 km (0.115 R)
• M33: 64,823,151 km (0.051 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: 264 - 12,390 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit