🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.7

Radius: 14.4

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.39 AU - 1.43 AU

Year: 1065 Days

Day: 9.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,856,344 km

• M1: 179,069 km (0.093 R)
• M2: 704,307 km (0.104 R)
• M3: 1,159,683 km (0.116 R)
• M4: 2,025,854 km (0.084 R)
• M5: 2,515,339 km (0.06 R)
• M6: 3,152,925 km (0.103 R)
• M7: 4,260,248 km (0.049 R)
• M8: 4,980,113 km (0.112 R)
• M9: 5,864,386 km (0.036 R)
• M10: 6,367,035 km (0.08 R)
• M11: 7,945,741 km (0.104 R)
• M12: 8,426,100 km (0.069 R)
• M13: 9,593,113 km (0.085 R)
• M14: 10,800,667 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.6

Radius: 11.7

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.47 AU - 1.63 AU

Year: 1227 Days

Day: 7.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,856,344 km

• M1: 145,559 km (0.107 R)
• M2: 512,971 km (0.084 R)
• M3: 886,667 km (0.077 R)
• M4: 1,966,015 km (0.102 R)
• M5: 2,572,335 km (0.082 R)
• M6: 3,184,191 km (0.094 R)
• M7: 3,649,889 km (0.077 R)
• M8: 4,092,100 km (0.102 R)
• M9: 5,144,970 km (0.117 R)
• M10: 5,660,484 km (0.089 R)
• M11: 6,097,310 km (0.11 R)
• M12: 7,213,609 km (0.026 R)
• M13: 8,773,167 km (0.091 R)
• M14: 9,300,051 km (0.092 R)
• M15: 10,775,983 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.4

Radius: 14.3

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.89 AU - 2.47 AU

Year: 2047 Days

Day: 6.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 87,856,344 km

• M1: 177,872 km (0.105 R)
• M2: 679,922 km (0.097 R)
• M3: 1,317,658 km (0.093 R)
• M4: 2,409,423 km (0.096 R)
• M5: 4,101,375 km (0.112 R)
• M6: 5,082,288 km (0.111 R)
• M7: 6,962,135 km (0.081 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 528.3

Radius: 6.5

Gravity: 12.5 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 6.98 AU - 7.84 AU

Year: 12825 Days

Day: 19.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 87,856,344 km

• M1: 81,232 km (0.049 R)
• M2: 326,423 km (0.085 R)
• M3: 533,765 km (0.028 R)
• M4: 736,171 km (0.072 R)
• M5: 960,269 km (0.1 R)
• M6: 1,859,352 km (0.068 R)
• M7: 2,171,413 km (0.075 R)
• M8: 2,769,356 km (0.09 R)
• M9: 3,599,474 km (0.049 R)
• M10: 4,494,070 km (0.109 R)
• M11: 5,391,208 km (0.114 R)
• M12: 6,440,936 km (0.102 R)
• M13: 6,832,584 km (0.062 R)
• M14: 7,198,650 km (0.091 R)
• M15: 9,624,828 km (0.096 R)
• M16: 11,049,000 km (0.086 R)
• M17: 11,327,252 km (0.068 R)
• M18: 14,907,727 km (0.076 R)
• M19: 16,879,128 km (0.057 R)
• M20: 17,397,784 km (0.08 R)
• M21: 20,152,180 km (0.096 R)
• M22: 20,568,062 km (0.109 R)
• M23: 22,913,008 km (0.069 R)
• M24: 25,624,021 km (0.115 R)
• M25: 27,613,523 km (0.112 R)
• M26: 28,750,467 km (0.102 R)
• M27: 32,803,971 km (0.071 R)
• M28: 42,292,664 km (0.111 R)
• M29: 43,111,414 km (0.111 R)
• M30: 45,062,768 km (0.112 R)
• M31: 45,773,807 km (0.111 R)
• M32: 47,804,299 km (0.077 R)
• M33: 51,733,188 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331.2

Radius: 6.2

Gravity: 8.62 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 5.67 AU - 9.43 AU

Year: 13190 Days

Day: 17.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,856,344 km

• M1: 83,027 km (0.097 R)
• M2: 471,981 km (0.114 R)
• M3: 976,126 km (0.08 R)
• M4: 2,328,192 km (0.057 R)
• M5: 7,470,170 km (0.095 R)
• M6: 7,757,697 km (0.119 R)
• M7: 8,709,438 km (0.107 R)
• M8: 10,894,914 km (0.098 R)
• M9: 13,301,195 km (0.1 R)
• M10: 16,244,384 km (0.065 R)
• M11: 19,750,060 km (0.118 R)
• M12: 21,022,241 km (0.073 R)
• M13: 22,517,920 km (0.068 R)
• M14: 24,530,311 km (0.107 R)
• M15: 26,469,548 km (0.088 R)
• M16: 32,136,615 km (0.078 R)
• M17: 37,595,590 km (0.056 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 214.7

Radius: 3.2

Gravity: 20.97 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 9.48 AU - 10.12 AU

Year: 19506 Days

Day: 20.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 87,856,344 km

• M1: 40,541 km (0.071 R)
• M2: 179,218 km (0.077 R)
• M3: 284,984 km (0.045 R)
• M4: 523,742 km (0.033 R)
• M5: 690,544 km (0.096 R)
• M6: 995,723 km (0.057 R)
• M7: 1,166,714 km (0.118 R)
• M8: 1,735,485 km (0.111 R)
• M9: 2,273,888 km (0.065 R)
• M10: 2,654,465 km (0.087 R)
• M11: 3,099,219 km (0.112 R)
• M12: 3,670,085 km (0.086 R)
• M13: 6,312,881 km (0.103 R)
• M14: 6,817,025 km (0.1 R)
• M15: 7,389,387 km (0.092 R)
• M16: 8,352,648 km (0.109 R)
• M17: 9,847,579 km (0.112 R)
• M18: 13,229,987 km (0.103 R)
• M19: 19,961,293 km (0.09 R)
• M20: 21,553,164 km (0.119 R)
• M21: 25,464,101 km (0.109 R)
• M22: 26,338,500 km (0.026 R)
• M23: 29,822,635 km (0.068 R)
• M24: 32,912,579 km (0.098 R)
• M25: 33,370,797 km (0.119 R)
• M26: 36,575,034 km (0.075 R)
• M27: 38,821,545 km (0.111 R)
• M28: 41,423,501 km (0.093 R)
• M29: 42,903,024 km (0.101 R)
• M30: 44,417,253 km (0.064 R)
• M31: 45,682,403 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 732.8

Radius: 5.5

Gravity: 24.22 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 10.11 AU - 12.39 AU

Year: 23992 Days

Day: 16.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 87,856,344 km

• M1: 72,106 km (0.102 R)
• M2: 364,720 km (0.091 R)
• M3: 580,440 km (0.074 R)
• M4: 916,736 km (0.066 R)
• M5: 1,193,193 km (0.099 R)
• M6: 1,815,669 km (0.101 R)
• M7: 2,391,621 km (0.075 R)
• M8: 3,832,249 km (0.095 R)
• M9: 4,479,110 km (0.092 R)
• M10: 6,342,950 km (0.109 R)
• M11: 7,294,542 km (0.105 R)
• M12: 7,752,311 km (0.025 R)
• M13: 10,083,644 km (0.065 R)
• M14: 12,626,958 km (0.07 R)
• M15: 16,584,121 km (0.097 R)
• M16: 19,994,653 km (0.115 R)
• M17: 21,092,103 km (0.079 R)
• M18: 25,652,744 km (0.086 R)
• M19: 32,022,771 km (0.075 R)
• M20: 33,108,851 km (0.105 R)
• M21: 34,926,016 km (0.097 R)
• M22: 36,222,132 km (0.061 R)
• M23: 41,568,312 km (0.072 R)
• M24: 43,515,926 km (0.092 R)
• M25: 46,722,557 km (0.112 R)
• M26: 49,722,143 km (0.051 R)
• M27: 50,264,436 km (0.113 R)
• M28: 55,324,135 km (0.104 R)
• M29: 58,276,599 km (0.077 R)
• M30: 61,539,926 km (0.064 R)
• M31: 61,956,108 km (0.103 R)
• M32: 65,138,354 km (0.077 R)
• M33: 67,761,253 km (0.074 R)
• M34: 67,982,957 km (0.112 R)
• M35: 73,683,982 km (0.103 R)
• M36: 74,388,888 km (0.075 R)
• M37: 77,980,583 km (0.111 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: 156 - 18,657 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit