🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.8

Radius: 14.7

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.69 AU - 0.99 AU

Year: 505 Days

Day: 8.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,523,059 km

• M1: 183,557 km (0.112 R)
• M2: 720,463 km (0.081 R)
• M3: 1,524,402 km (0.063 R)
• M4: 2,054,278 km (0.025 R)
• M5: 2,529,550 km (0.114 R)
• M6: 3,079,323 km (0.077 R)
• M7: 5,060,298 km (0.055 R)
• M8: 5,524,201 km (0.061 R)
• M9: 7,069,696 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.4

Radius: 12.8

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.32 AU - 1.64 AU

Year: 1181 Days

Day: 8.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,523,059 km

• M1: 159,172 km (0.112 R)
• M2: 620,831 km (0.099 R)
• M3: 1,291,478 km (0.117 R)
• M4: 1,776,774 km (0.11 R)
• M5: 2,437,847 km (0.11 R)
• M6: 3,037,286 km (0.114 R)
• M7: 3,589,003 km (0.118 R)
• M8: 4,335,795 km (0.075 R)
• M9: 5,239,067 km (0.119 R)
• M10: 5,875,008 km (0.081 R)
• M11: 6,583,503 km (0.09 R)
• M12: 7,232,159 km (0.096 R)
• M13: 7,728,226 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.7

Radius: 10.3

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.42 AU - 1.82 AU

Year: 1353 Days

Day: 8.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,523,059 km

• M1: 128,205 km (0.099 R)
• M2: 571,314 km (0.082 R)
• M3: 919,429 km (0.092 R)
• M4: 1,854,864 km (0.08 R)
• M5: 2,605,546 km (0.08 R)
• M6: 3,333,639 km (0.066 R)
• M7: 4,244,690 km (0.108 R)
• M8: 4,835,452 km (0.081 R)
• M9: 5,867,378 km (0.073 R)
• M10: 7,603,162 km (0.116 R)
• M11: 7,949,631 km (0.065 R)
• M12: 8,732,177 km (0.102 R)
• M13: 9,172,145 km (0.084 R)
• M14: 9,688,556 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.2

Radius: 8.3

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.9 AU - 3.32 AU

Year: 3598 Days

Day: 6.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 82,523,059 km

• M1: 104,270 km (0.11 R)
• M2: 489,035 km (0.074 R)
• M3: 1,025,643 km (0.104 R)
• M4: 1,297,313 km (0.113 R)
• M5: 1,562,550 km (0.11 R)
• M6: 1,889,272 km (0.12 R)
• M7: 2,177,696 km (0.074 R)
• M8: 3,620,867 km (0.079 R)
• M9: 4,006,081 km (0.05 R)
• M10: 4,763,795 km (0.106 R)
• M11: 5,028,433 km (0.093 R)
• M12: 5,909,415 km (0.057 R)
• M13: 7,011,802 km (0.045 R)
• M14: 7,450,722 km (0.078 R)
• M15: 8,075,443 km (0.106 R)
• M16: 9,205,954 km (0.067 R)
• M17: 9,694,241 km (0.118 R)
• M18: 10,478,882 km (0.109 R)
• M19: 11,432,868 km (0.11 R)
• M20: 12,671,089 km (0.09 R)
• M21: 13,512,727 km (0.082 R)
• M22: 17,424,711 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.3

Radius: 8.6

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.46 AU - 3.78 AU

Year: 3615 Days

Day: 8.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,523,059 km

• M1: 107,112 km (0.109 R)
• M2: 464,801 km (0.104 R)
• M3: 788,381 km (0.041 R)
• M4: 1,084,585 km (0.037 R)
• M5: 1,521,261 km (0.083 R)
• M6: 1,956,591 km (0.12 R)
• M7: 3,171,475 km (0.091 R)
• M8: 4,619,582 km (0.047 R)
• M9: 5,063,439 km (0.109 R)
• M10: 5,352,313 km (0.048 R)
• M11: 6,311,235 km (0.115 R)
• M12: 7,607,800 km (0.108 R)
• M13: 8,534,409 km (0.088 R)
• M14: 8,880,728 km (0.113 R)
• M15: 10,080,204 km (0.106 R)
• M16: 10,610,528 km (0.113 R)
• M17: 10,901,047 km (0.074 R)
• M18: 15,176,405 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.8

Radius: 8.5

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.72 AU - 3.66 AU

Year: 3738 Days

Day: 11.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,523,059 km

• M1: 110,852 km (0.087 R)
• M2: 838,047 km (0.104 R)
• M3: 1,181,075 km (0.109 R)
• M4: 1,576,313 km (0.072 R)
• M5: 3,744,285 km (0.042 R)
• M6: 5,467,952 km (0.072 R)
• M7: 5,887,873 km (0.106 R)
• M8: 7,424,991 km (0.1 R)
• M9: 10,243,714 km (0.086 R)
• M10: 14,810,189 km (0.081 R)
• M11: 15,922,150 km (0.088 R)
• M12: 16,473,269 km (0.097 R)
• M13: 17,826,531 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.8

Radius: 9.5

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.36 AU - 6.22 AU

Year: 7982 Days

Day: 11.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 82,523,059 km

• M1: 118,182 km (0.076 R)
• M2: 475,871 km (0.081 R)
• M3: 805,585 km (0.098 R)
• M4: 1,191,697 km (0.074 R)
• M5: 2,739,735 km (0.057 R)
• M6: 4,204,299 km (0.085 R)
• M7: 4,705,152 km (0.115 R)
• M8: 5,530,633 km (0.118 R)
• M9: 6,226,563 km (0.077 R)
• M10: 6,711,260 km (0.086 R)
• M11: 7,151,377 km (0.099 R)
• M12: 7,940,057 km (0.034 R)
• M13: 8,745,940 km (0.034 R)
• M14: 10,385,982 km (0.097 R)
• M15: 11,444,237 km (0.093 R)
• M16: 17,517,163 km (0.08 R)
• M17: 19,080,161 km (0.119 R)
• M18: 19,758,139 km (0.079 R)
• M19: 20,103,111 km (0.087 R)
• M20: 21,596,098 km (0.085 R)
• M21: 22,183,868 km (0.069 R)
• M22: 22,706,862 km (0.083 R)
• M23: 23,855,176 km (0.112 R)
• M24: 24,325,212 km (0.093 R)
• M25: 24,801,382 km (0.064 R)
• M26: 27,106,237 km (0.1 R)
• M27: 29,820,690 km (0.058 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 642

Radius: 3.9

Gravity: 42.21 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 6.66 AU - 9.78 AU

Year: 15460 Days

Day: 15.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 82,523,059 km

• M1: 48,470 km (0.073 R)
• M2: 273,016 km (0.083 R)
• M3: 413,937 km (0.111 R)
• M4: 549,922 km (0.089 R)
• M5: 851,511 km (0.083 R)
• M6: 1,124,826 km (0.115 R)
• M7: 1,484,011 km (0.063 R)
• M8: 1,791,883 km (0.071 R)
• M9: 2,239,779 km (0.061 R)
• M10: 2,490,057 km (0.075 R)
• M11: 2,735,397 km (0.093 R)
• M12: 3,197,206 km (0.094 R)
• M13: 4,089,557 km (0.052 R)
• M14: 4,996,419 km (0.053 R)
• M15: 5,533,924 km (0.088 R)
• M16: 5,912,856 km (0.097 R)
• M17: 6,228,358 km (0.099 R)
• M18: 8,264,235 km (0.048 R)
• M19: 8,658,575 km (0.093 R)
• M20: 10,361,897 km (0.104 R)
• M21: 14,273,282 km (0.113 R)
• M22: 16,170,782 km (0.099 R)
• M23: 19,408,080 km (0.108 R)
• M24: 21,268,928 km (0.097 R)
• M25: 21,914,742 km (0.092 R)
• M26: 23,439,742 km (0.088 R)
• M27: 24,328,055 km (0.108 R)
• M28: 25,546,828 km (0.089 R)
• M29: 27,342,302 km (0.102 R)
• M30: 28,326,207 km (0.097 R)
• M31: 32,015,141 km (0.111 R)
• M32: 35,752,844 km (0.054 R)
• M33: 36,796,439 km (0.104 R)
• M34: 48,848,642 km (0.074 R)
• M35: 49,648,541 km (0.113 R)
• M36: 50,946,602 km (0.051 R)
• M37: 51,769,390 km (0.073 R)
• M38: 57,955,861 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 253.8

Radius: 4.5

Gravity: 12.53 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 6.49 AU - 10.73 AU

Year: 16573 Days

Day: 18.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 82,523,059 km

• M1: 59,241 km (0.115 R)
• M2: 225,145 km (0.053 R)
• M3: 476,918 km (0.108 R)
• M4: 649,554 km (0.088 R)
• M5: 826,678 km (0.105 R)
• M6: 1,170,753 km (0.073 R)
• M7: 1,356,254 km (0.097 R)
• M8: 1,663,828 km (0.059 R)
• M9: 1,850,376 km (0.11 R)
• M10: 4,532,815 km (0.101 R)
• M11: 4,835,751 km (0.118 R)
• M12: 8,834,502 km (0.105 R)
• M13: 10,047,591 km (0.096 R)
• M14: 10,200,331 km (0.07 R)
• M15: 10,615,016 km (0.058 R)
• M16: 10,987,066 km (0.101 R)
• M17: 11,478,046 km (0.046 R)
• M18: 12,097,830 km (0.117 R)
• M19: 12,503,689 km (0.102 R)
• M20: 14,218,380 km (0.094 R)
• M21: 14,670,315 km (0.081 R)
• M22: 14,866,887 km (0.091 R)
• M23: 17,511,777 km (0.077 R)
• M24: 18,031,031 km (0.094 R)
• M25: 18,636,903 km (0.062 R)
• M26: 19,177,998 km (0.101 R)
• M27: 22,472,891 km (0.119 R)
• M28: 23,085,943 km (0.106 R)
• M29: 25,460,211 km (0.051 R)
• M30: 26,511,884 km (0.109 R)
• M31: 27,097,710 km (0.086 R)
• M32: 29,735,718 km (0.099 R)
• M33: 30,367,919 km (0.095 R)
• M34: 33,324,122 km (0.049 R)
• M35: 35,989,059 km (0.09 R)
• M36: 43,467,307 km (0.089 R)
• M37: 44,829,545 km (0.067 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 722.1

Radius: 6.5

Gravity: 17.09 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 8.74 AU - 12.06 AU

Year: 22002 Days

Day: 18.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 82,523,059 km

• M1: 81,531 km (0.118 R)
• M2: 283,638 km (0.066 R)
• M3: 602,879 km (0.061 R)
• M4: 844,330 km (0.114 R)
• M5: 1,496,727 km (0.101 R)
• M6: 2,112,322 km (0.092 R)
• M7: 2,990,013 km (0.065 R)
• M8: 3,800,534 km (0.08 R)
• M9: 4,155,978 km (0.114 R)
• M10: 4,359,132 km (0.105 R)
• M11: 5,721,371 km (0.079 R)
• M12: 7,296,935 km (0.067 R)
• M13: 8,263,487 km (0.118 R)
• M14: 11,807,162 km (0.064 R)
• M15: 13,280,102 km (0.089 R)
• M16: 15,268,407 km (0.097 R)
• M17: 15,672,172 km (0.115 R)
• M18: 15,917,961 km (0.12 R)
• M19: 16,670,738 km (0.11 R)
• M20: 18,156,843 km (0.053 R)
• M21: 19,071,036 km (0.059 R)
• M22: 20,597,233 km (0.052 R)
• M23: 21,692,589 km (0.062 R)
• M24: 22,721,523 km (0.117 R)
• M25: 31,889,329 km (0.115 R)
• M26: 38,754,226 km (0.061 R)
• M27: 40,573,934 km (0.093 R)
• M28: 40,882,555 km (0.091 R)
• M29: 41,192,970 km (0.12 R)
• M30: 44,056,423 km (0.049 R)
• M31: 48,596,420 km (0.037 R)
• M32: 50,889,605 km (0.104 R)
• M33: 63,443,859 km (0.095 R)
• M34: 70,988,229 km (0.094 R)
• M35: 73,477,238 km (0.085 R)
• M36: 82,275,987 km (0.11 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 13,120 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit