🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.8

Radius: 8.8

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.74 AU - 0.78 AU

Year: 466 Days

Day: 8.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,128,147 km

• M1: 109,506 km (0.109 R)
• M2: 424,260 km (0.096 R)
• M3: 720,763 km (0.078 R)
• M4: 1,059,452 km (0.082 R)
• M5: 1,351,318 km (0.08 R)
• M6: 1,796,970 km (0.11 R)
• M7: 2,094,969 km (0.112 R)
• M8: 2,399,550 km (0.104 R)
• M9: 2,792,394 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.1

Radius: 8.7

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.66 AU - 1.02 AU

Year: 541 Days

Day: 6.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,128,147 km

• M1: 108,159 km (0.115 R)
• M2: 592,258 km (0.114 R)
• M3: 1,157,439 km (0.064 R)
• M4: 1,781,411 km (0.084 R)
• M5: 2,228,559 km (0.095 R)
• M6: 3,043,569 km (0.119 R)
• M7: 3,325,710 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.5

Radius: 8

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.9 AU - 0.94 AU

Year: 620 Days

Day: 7.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,128,147 km

• M1: 99,483 km (0.062 R)
• M2: 412,292 km (0.106 R)
• M3: 676,182 km (0.065 R)
• M4: 1,042,847 km (0.076 R)
• M5: 1,505,703 km (0.062 R)
• M6: 1,755,681 km (0.066 R)
• M7: 3,260,486 km (0.112 R)
• M8: 3,574,791 km (0.113 R)
• M9: 3,845,862 km (0.101 R)
• M10: 4,513,368 km (0.114 R)
• M11: 5,271,530 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.5

Radius: 13.2

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.32 AU - 1.58 AU

Year: 1227 Days

Day: 9.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,128,147 km

• M1: 169,345 km (0.088 R)
• M2: 700,567 km (0.043 R)
• M3: 1,127,370 km (0.035 R)
• M4: 1,598,154 km (0.106 R)
• M5: 2,363,347 km (0.067 R)
• M6: 3,038,632 km (0.098 R)
• M7: 3,579,129 km (0.073 R)
• M8: 4,436,474 km (0.097 R)
• M9: 5,728,850 km (0.087 R)
• M10: 6,203,525 km (0.109 R)
• M11: 7,155,565 km (0.088 R)
• M12: 7,870,045 km (0.11 R)
• M13: 8,486,986 km (0.102 R)
• M14: 10,734,545 km (0.118 R)
• M15: 11,353,581 km (0.059 R)
• M16: 12,252,664 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.6

Radius: 12.2

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.54 AU - 3.72 AU

Year: 4861 Days

Day: 11.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,128,147 km

• M1: 151,842 km (0.103 R)
• M2: 777,460 km (0.089 R)
• M3: 1,256,921 km (0.026 R)
• M4: 2,037,673 km (0.105 R)
• M5: 2,461,633 km (0.119 R)
• M6: 3,768,670 km (0.069 R)
• M7: 4,934,037 km (0.057 R)
• M8: 5,337,203 km (0.102 R)
• M9: 6,297,023 km (0.062 R)
• M10: 7,629,641 km (0.089 R)
• M11: 8,136,179 km (0.118 R)
• M12: 9,254,723 km (0.078 R)
• M13: 10,188,961 km (0.073 R)
• M14: 11,487,471 km (0.117 R)
• M15: 14,158,690 km (0.071 R)
• M16: 18,631,517 km (0.062 R)
• M17: 19,427,677 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783

Radius: 10.8

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 4.11 AU - 4.43 AU

Year: 6202 Days

Day: 13.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,128,147 km

• M1: 134,937 km (0.044 R)
• M2: 537,056 km (0.107 R)
• M3: 923,019 km (0.094 R)
• M4: 1,487,452 km (0.085 R)
• M5: 1,885,681 km (0.119 R)
• M6: 2,239,181 km (0.103 R)
• M7: 2,618,860 km (0.103 R)
• M8: 3,123,454 km (0.111 R)
• M9: 3,487,874 km (0.083 R)
• M10: 4,303,033 km (0.096 R)
• M11: 4,923,266 km (0.096 R)
• M12: 5,757,872 km (0.073 R)
• M13: 6,275,631 km (0.117 R)
• M14: 6,719,039 km (0.073 R)
• M15: 7,330,296 km (0.082 R)
• M16: 7,900,264 km (0.088 R)
• M17: 8,664,260 km (0.111 R)
• M18: 9,565,138 km (0.11 R)
• M19: 13,131,851 km (0.11 R)
• M20: 14,494,986 km (0.087 R)
• M21: 16,392,486 km (0.108 R)
• M22: 19,865,700 km (0.071 R)
• M23: 20,525,875 km (0.065 R)
• M24: 25,051,211 km (0.039 R)
• M25: 34,734,082 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856

Radius: 14.8

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 4.38 AU - 4.9 AU

Year: 7026 Days

Day: 10.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,128,147 km

• M1: 190,139 km (0.093 R)
• M2: 923,019 km (0.04 R)
• M3: 2,882,302 km (0.114 R)
• M4: 4,509,777 km (0.045 R)
• M5: 5,764,455 km (0.05 R)
• M6: 7,279,133 km (0.093 R)
• M7: 8,274,258 km (0.085 R)
• M8: 9,178,727 km (0.034 R)
• M9: 11,494,053 km (0.12 R)
• M10: 13,819,702 km (0.077 R)
• M11: 19,608,242 km (0.095 R)
• M12: 20,747,579 km (0.102 R)
• M13: 21,215,372 km (0.112 R)
• M14: 24,001,632 km (0.106 R)
• M15: 31,300,063 km (0.101 R)
• M16: 35,561,957 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 173.7

Radius: 3.5

Gravity: 14.18 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.63 AU - 7.23 AU

Year: 10151 Days

Day: 17 Hours

Environment

Temp: -231 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 58,128,147 km

• M1: 43,683 km (0.094 R)
• M2: 199,264 km (0.077 R)
• M3: 343,477 km (0.098 R)
• M4: 1,009,038 km (0.108 R)
• M5: 1,459,327 km (0.101 R)
• M6: 1,580,950 km (0.102 R)
• M7: 1,776,176 km (0.054 R)
• M8: 2,121,747 km (0.06 R)
• M9: 2,831,888 km (0.072 R)
• M10: 2,963,983 km (0.112 R)
• M11: 3,448,829 km (0.1 R)
• M12: 4,650,848 km (0.026 R)
• M13: 5,079,147 km (0.086 R)
• M14: 6,554,332 km (0.036 R)
• M15: 7,091,986 km (0.079 R)
• M16: 8,178,366 km (0.07 R)
• M17: 8,446,894 km (0.11 R)
• M18: 10,404,682 km (0.106 R)
• M19: 10,674,706 km (0.084 R)
• M20: 11,275,341 km (0.055 R)
• M21: 14,013,132 km (0.059 R)
• M22: 15,073,033 km (0.103 R)
• M23: 16,608,356 km (0.101 R)
• M24: 18,309,732 km (0.044 R)
• M25: 23,638,558 km (0.034 R)
• M26: 25,377,932 km (0.113 R)
• M27: 27,200,633 km (0.099 R)
• M28: 29,734,073 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 89.5

Radius: 7.9

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 6.24 AU - 8.98 AU

Year: 14757 Days

Day: 20.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,128,147 km

• M1: 98,735 km (0.097 R)
• M2: 465,848 km (0.099 R)
• M3: 1,016,518 km (0.096 R)
• M4: 1,411,306 km (0.09 R)
• M5: 2,139,998 km (0.073 R)
• M6: 2,649,677 km (0.041 R)
• M7: 7,266,866 km (0.08 R)
• M8: 7,697,558 km (0.066 R)
• M9: 8,570,761 km (0.097 R)
• M10: 9,051,718 km (0.097 R)
• M11: 10,557,720 km (0.033 R)
• M12: 13,463,210 km (0.111 R)
• M13: 15,711,367 km (0.051 R)
• M14: 16,068,906 km (0.063 R)
• M15: 16,924,157 km (0.094 R)
• M16: 17,809,627 km (0.116 R)
• M17: 18,263,806 km (0.075 R)
• M18: 20,864,864 km (0.104 R)
• M19: 22,780,614 km (0.106 R)
• M20: 28,252,455 km (0.112 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 356.7

Radius: 7.6

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 7.46 AU - 10.24 AU

Year: 18506 Days

Day: 25 Hours

Environment

Temp: -234 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 58,128,147 km

• M1: 94,546 km (0.075 R)
• M2: 421,866 km (0.088 R)
• M3: 896,839 km (0.101 R)
• M4: 1,186,760 km (0.09 R)
• M5: 2,050,089 km (0.067 R)
• M6: 2,335,522 km (0.096 R)
• M7: 3,406,344 km (0.116 R)
• M8: 4,065,023 km (0.093 R)
• M9: 4,838,594 km (0.093 R)
• M10: 5,418,136 km (0.09 R)
• M11: 6,633,618 km (0.116 R)
• M12: 7,883,658 km (0.092 R)
• M13: 9,131,604 km (0.11 R)
• M14: 11,012,498 km (0.101 R)
• M15: 14,127,275 km (0.118 R)
• M16: 15,307,752 km (0.115 R)
• M17: 15,739,641 km (0.055 R)
• M18: 16,402,659 km (0.085 R)
• M19: 17,470,787 km (0.101 R)
• M20: 19,159,149 km (0.078 R)
• M21: 21,041,389 km (0.036 R)
• M22: 21,845,777 km (0.096 R)
• M23: 23,515,888 km (0.095 R)
• M24: 30,821,948 km (0.081 R)
• M25: 31,510,697 km (0.099 R)
• M26: 38,046,927 km (0.115 R)
• M27: 39,239,671 km (0.074 R)
• M28: 51,438,929 km (0.102 R)
• M29: 52,407,724 km (0.097 R)
• M30: 52,733,249 km (0.046 R)
• M31: 54,381,519 km (0.069 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 504 - 16,146 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit