🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.7

Radius: 14.5

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.56 AU - 0.62 AU

Year: 307 Days

Day: 12.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,059,770 km

• M1: 180,265 km (0.106 R)
• M2: 707,149 km (0.106 R)
• M3: 1,328,279 km (0.057 R)
• M4: 2,112,771 km (0.064 R)
• M5: 2,889,632 km (0.03 R)
• M6: 3,515,700 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.2

Radius: 14.5

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.64 AU - 1.88 AU

Year: 1584 Days

Day: 10.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,059,770 km

• M1: 180,265 km (0.098 R)
• M2: 690,394 km (0.057 R)
• M3: 1,160,730 km (0.105 R)
• M4: 2,119,802 km (0.067 R)
• M5: 2,987,619 km (0.089 R)
• M6: 3,496,850 km (0.071 R)
• M7: 4,389,351 km (0.119 R)
• M8: 5,196,132 km (0.081 R)
• M9: 6,553,434 km (0.058 R)
• M10: 7,394,772 km (0.105 R)
• M11: 8,627,608 km (0.07 R)
• M12: 9,575,461 km (0.058 R)
• M13: 10,157,097 km (0.03 R)
• M14: 10,625,787 km (0.097 R)
• M15: 12,647,004 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353

Radius: 9.8

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.58 AU - 2.62 AU

Year: 2064 Days

Day: 8 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,059,770 km

• M1: 130,300 km (0.119 R)
• M2: 578,495 km (0.077 R)
• M3: 1,547,291 km (0.088 R)
• M4: 2,124,439 km (0.109 R)
• M5: 3,723,940 km (0.12 R)
• M6: 4,285,381 km (0.117 R)
• M7: 7,242,482 km (0.113 R)
• M8: 8,089,505 km (0.064 R)
• M9: 8,522,441 km (0.105 R)
• M10: 10,854,223 km (0.11 R)
• M11: 12,110,696 km (0.11 R)
• M12: 13,105,073 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.3

Radius: 8.3

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.94 AU - 2.36 AU

Year: 2138 Days

Day: 5.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,059,770 km

• M1: 105,766 km (0.102 R)
• M2: 461,809 km (0.12 R)
• M3: 974,331 km (0.097 R)
• M4: 1,234,930 km (0.079 R)
• M5: 1,720,675 km (0.025 R)
• M6: 2,096,614 km (0.073 R)
• M7: 2,413,911 km (0.111 R)
• M8: 3,563,870 km (0.104 R)
• M9: 4,435,577 km (0.117 R)
• M10: 5,442,670 km (0.118 R)
• M11: 7,098,419 km (0.118 R)
• M12: 7,519,537 km (0.041 R)
• M13: 8,586,918 km (0.03 R)
• M14: 10,372,518 km (0.052 R)
• M15: 11,476,849 km (0.103 R)
• M16: 11,983,986 km (0.086 R)
• M17: 12,657,625 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.4

Radius: 8.6

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.03 AU - 2.39 AU

Year: 2228 Days

Day: 9.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,059,770 km

• M1: 109,506 km (0.06 R)
• M2: 479,760 km (0.043 R)
• M3: 914,941 km (0.091 R)
• M4: 1,577,958 km (0.117 R)
• M5: 2,010,296 km (0.099 R)
• M6: 2,337,766 km (0.102 R)
• M7: 2,901,899 km (0.092 R)
• M8: 3,701,051 km (0.049 R)
• M9: 5,029,630 km (0.087 R)
• M10: 6,235,987 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.5

Radius: 8.6

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.48 AU - 3.16 AU

Year: 3212 Days

Day: 14.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,059,770 km

• M1: 107,112 km (0.102 R)
• M2: 819,348 km (0.119 R)
• M3: 1,283,699 km (0.094 R)
• M4: 1,658,741 km (0.104 R)
• M5: 2,380,102 km (0.118 R)
• M6: 3,051,946 km (0.084 R)
• M7: 4,151,341 km (0.11 R)
• M8: 4,518,903 km (0.1 R)
• M9: 4,791,171 km (0.09 R)
• M10: 5,597,504 km (0.091 R)
• M11: 6,957,647 km (0.108 R)
• M12: 8,055,546 km (0.073 R)
• M13: 8,559,841 km (0.105 R)
• M14: 8,907,656 km (0.086 R)
• M15: 11,279,081 km (0.064 R)
• M16: 11,825,113 km (0.039 R)
• M17: 13,243,899 km (0.109 R)
• M18: 14,575,769 km (0.092 R)
• M19: 15,324,806 km (0.114 R)
• M20: 16,046,915 km (0.08 R)
• M21: 16,791,463 km (0.107 R)
• M22: 19,579,519 km (0.036 R)
• M23: 20,368,049 km (0.098 R)
• M24: 20,801,434 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 702.1

Radius: 7.7

Gravity: 11.84 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.9 AU - 7.68 AU

Year: 10700 Days

Day: 19.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 37,059,770 km

• M1: 96,341 km (0.101 R)
• M2: 385,215 km (0.079 R)
• M3: 742,305 km (0.09 R)
• M4: 992,881 km (0.085 R)
• M5: 1,613,712 km (0.118 R)
• M6: 1,975,889 km (0.098 R)
• M7: 2,778,182 km (0.075 R)
• M8: 3,020,531 km (0.106 R)
• M9: 3,497,748 km (0.099 R)
• M10: 4,602,678 km (0.12 R)
• M11: 4,880,481 km (0.098 R)
• M12: 7,232,010 km (0.114 R)
• M13: 9,839,800 km (0.081 R)
• M14: 10,671,714 km (0.06 R)
• M15: 12,894,588 km (0.08 R)
• M16: 16,600,726 km (0.103 R)
• M17: 17,552,767 km (0.082 R)
• M18: 19,166,778 km (0.069 R)
• M19: 21,129,652 km (0.109 R)
• M20: 23,584,703 km (0.108 R)
• M21: 24,599,126 km (0.117 R)
• M22: 25,738,613 km (0.111 R)
• M23: 27,312,233 km (0.059 R)
• M24: 27,715,399 km (0.097 R)
• M25: 28,740,743 km (0.089 R)
• M26: 30,649,761 km (0.102 R)
• M27: 31,414,506 km (0.091 R)
• M28: 32,304,015 km (0.059 R)
• M29: 35,191,852 km (0.062 R)
• M30: 37,374,634 km (0.096 R)
• M31: 38,499,162 km (0.119 R)
• M32: 46,292,911 km (0.089 R)
• M33: 49,058,228 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216

Radius: 5.1

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 6.16 AU - 7.5 AU

Year: 12107 Days

Day: 23.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,059,770 km

• M1: 67,469 km (0.066 R)
• M2: 513,569 km (0.083 R)
• M3: 807,978 km (0.105 R)
• M4: 1,013,226 km (0.045 R)
• M5: 1,208,751 km (0.086 R)
• M6: 1,833,023 km (0.081 R)
• M7: 3,279,784 km (0.041 R)
• M8: 3,594,538 km (0.074 R)
• M9: 5,509,241 km (0.092 R)
• M10: 5,889,070 km (0.108 R)
• M11: 12,917,028 km (0.065 R)
• M12: 13,473,383 km (0.089 R)
• M13: 14,514,883 km (0.081 R)
• M14: 15,055,231 km (0.061 R)
• M15: 17,620,086 km (0.118 R)
• M16: 21,294,060 km (0.046 R)
• M17: 21,991,336 km (0.07 R)
• M18: 22,544,100 km (0.091 R)
• M19: 23,513,195 km (0.091 R)
• M20: 25,620,730 km (0.091 R)
• M21: 27,123,740 km (0.118 R)
• M22: 29,630,102 km (0.06 R)
• M23: 30,596,205 km (0.052 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: 377 - 12,436 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit