🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.97 AU - 1.35 AU

Year: 476 Days

Day: 46.3 Hours

Environment

Temp: -1 °C

Axial Tilt: 22.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.38 AU - 1.7 AU

Year: 728 Days

Day: 40.8 Hours

Environment

Temp: -59 °C

Axial Tilt: 45.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.21 AU - 1.95 AU

Year: 756 Days

Day: 44.5 Hours

Environment

Temp: -52 °C

Axial Tilt: 27.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.9 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.7

Radius: 9.3

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.25 AU - 5.19 AU

Year: 3301 Days

Day: 14.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 95,909,456 km

• M1: 116,238 km (0.074 R)
• M2: 514,168 km (0.081 R)
• M3: 899,532 km (0.103 R)
• M4: 1,414,149 km (0.119 R)
• M5: 2,102,000 km (0.117 R)
• M6: 2,844,155 km (0.068 R)
• M7: 3,958,360 km (0.059 R)
• M8: 4,372,895 km (0.032 R)
• M9: 7,862,266 km (0.095 R)
• M10: 9,137,139 km (0.095 R)
• M11: 10,300,711 km (0.063 R)
• M12: 11,172,119 km (0.076 R)
• M13: 11,823,917 km (0.029 R)
• M14: 12,500,996 km (0.075 R)
• M15: 13,833,764 km (0.115 R)
• M16: 14,585,493 km (0.107 R)
• M17: 15,683,392 km (0.109 R)
• M18: 16,723,247 km (0.103 R)
• M19: 17,808,579 km (0.063 R)
• M20: 18,577,662 km (0.116 R)
• M21: 19,929,578 km (0.097 R)
• M22: 22,281,406 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.9

Radius: 13.7

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3.63 AU - 5.77 AU

Year: 3880 Days

Day: 13.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 95,909,456 km

• M1: 170,542 km (0.078 R)
• M2: 641,625 km (0.082 R)
• M3: 1,090,868 km (0.045 R)
• M4: 1,557,613 km (0.112 R)
• M5: 2,045,302 km (0.12 R)
• M6: 2,931,969 km (0.105 R)
• M7: 3,537,990 km (0.107 R)
• M8: 4,749,433 km (0.053 R)
• M9: 5,266,443 km (0.089 R)
• M10: 6,331,131 km (0.098 R)
• M11: 7,047,855 km (0.091 R)
• M12: 7,503,530 km (0.083 R)
• M13: 8,407,101 km (0.075 R)
• M14: 9,131,454 km (0.103 R)
• M15: 10,314,923 km (0.038 R)
• M16: 11,024,316 km (0.095 R)
• M17: 11,977,853 km (0.032 R)
• M18: 12,895,785 km (0.1 R)
• M19: 13,860,093 km (0.087 R)
• M20: 14,773,538 km (0.093 R)
• M21: 15,726,775 km (0.115 R)
• M22: 17,424,262 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699

Radius: 11.3

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 6.18 AU - 9.7 AU

Year: 8520 Days

Day: 12.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 95,909,456 km

• M1: 141,819 km (0.102 R)
• M2: 535,112 km (0.032 R)
• M3: 909,106 km (0.087 R)
• M4: 1,379,143 km (0.114 R)
• M5: 1,946,717 km (0.101 R)
• M6: 2,401,943 km (0.103 R)
• M7: 2,907,135 km (0.044 R)
• M8: 4,600,135 km (0.083 R)
• M9: 5,609,172 km (0.069 R)
• M10: 8,444,800 km (0.025 R)
• M11: 9,109,314 km (0.098 R)
• M12: 9,952,597 km (0.058 R)
• M13: 11,261,429 km (0.105 R)
• M14: 12,343,919 km (0.115 R)
• M15: 13,142,023 km (0.085 R)
• M16: 13,853,212 km (0.088 R)
• M17: 14,589,981 km (0.045 R)
• M18: 15,482,183 km (0.11 R)
• M19: 16,682,257 km (0.094 R)
• M20: 17,728,844 km (0.117 R)
• M21: 18,304,795 km (0.085 R)
• M22: 19,875,723 km (0.044 R)
• M23: 20,418,913 km (0.097 R)
• M24: 23,028,947 km (0.081 R)
• M25: 23,975,452 km (0.067 R)
• M26: 25,217,115 km (0.042 R)
• M27: 26,130,110 km (0.026 R)
• M28: 28,410,730 km (0.091 R)
• M29: 31,759,329 km (0.078 R)
• M30: 34,911,805 km (0.094 R)
• M31: 41,578,783 km (0.112 R)
• M32: 42,595,600 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.2

Radius: 14.7

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 8.95 AU - 11.77 AU

Year: 12698 Days

Day: 12.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 95,909,456 km

• M1: 182,809 km (0.104 R)
• M2: 1,344,286 km (0.092 R)
• M3: 1,898,098 km (0.041 R)
• M4: 4,061,133 km (0.109 R)
• M5: 7,005,070 km (0.101 R)
• M6: 7,585,958 km (0.102 R)
• M7: 8,750,578 km (0.05 R)
• M8: 11,098,816 km (0.104 R)
• M9: 15,096,370 km (0.111 R)
• M10: 16,425,846 km (0.111 R)
• M11: 21,395,637 km (0.082 R)
• M12: 22,891,317 km (0.119 R)
• M13: 24,362,013 km (0.108 R)
• M14: 25,602,479 km (0.109 R)
• M15: 35,372,417 km (0.114 R)
• M16: 38,599,691 km (0.036 R)
• M17: 43,523,855 km (0.116 R)
• M18: 45,634,232 km (0.12 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.4

Radius: 12.4

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 8.98 AU - 12.06 AU

Year: 12993 Days

Day: 12.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 95,909,456 km

• M1: 154,684 km (0.097 R)
• M2: 658,380 km (0.066 R)
• M3: 1,150,408 km (0.12 R)
• M4: 1,773,483 km (0.097 R)
• M5: 2,346,891 km (0.119 R)
• M6: 3,464,238 km (0.055 R)
• M7: 5,212,439 km (0.044 R)
• M8: 6,009,646 km (0.068 R)
• M9: 6,970,513 km (0.11 R)
• M10: 8,359,828 km (0.041 R)
• M11: 11,325,456 km (0.066 R)
• M12: 14,101,694 km (0.057 R)
• M13: 14,931,363 km (0.065 R)
• M14: 15,430,272 km (0.117 R)
• M15: 16,536,698 km (0.105 R)
• M16: 19,831,143 km (0.108 R)
• M17: 21,317,248 km (0.068 R)
• M18: 26,015,219 km (0.11 R)
• M19: 26,738,375 km (0.082 R)
• M20: 27,687,724 km (0.028 R)
• M21: 28,768,718 km (0.076 R)
• M22: 29,541,989 km (0.049 R)
• M23: 30,556,711 km (0.086 R)
• M24: 36,236,045 km (0.086 R)
• M25: 45,493,760 km (0.103 R)
• M26: 49,474,110 km (0.035 R)
• M27: 52,361,948 km (0.092 R)
• M28: 54,348,458 km (0.105 R)
• M29: 55,360,338 km (0.062 R)
• M30: 57,421,796 km (0.103 R)
• M31: 59,533,969 km (0.04 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.6

Radius: 11.6

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 10.38 AU - 11.92 AU

Year: 14178 Days

Day: 8.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 95,909,456 km

• M1: 144,212 km (0.071 R)
• M2: 507,137 km (0.068 R)
• M3: 1,142,329 km (0.083 R)
• M4: 1,707,360 km (0.104 R)
• M5: 2,648,481 km (0.083 R)
• M6: 3,096,377 km (0.106 R)
• M7: 4,991,931 km (0.119 R)
• M8: 5,456,283 km (0.078 R)
• M9: 6,186,620 km (0.12 R)
• M10: 7,335,382 km (0.108 R)
• M11: 7,842,220 km (0.105 R)
• M12: 8,323,326 km (0.099 R)
• M13: 8,875,043 km (0.086 R)
• M14: 9,666,715 km (0.034 R)
• M15: 11,945,689 km (0.11 R)
• M16: 15,290,249 km (0.086 R)
• M17: 22,109,967 km (0.069 R)
• M18: 23,464,276 km (0.113 R)
• M19: 25,285,930 km (0.116 R)
• M20: 29,668,399 km (0.102 R)
• M21: 31,796,130 km (0.052 R)
• M22: 35,305,397 km (0.114 R)
• M23: 37,964,648 km (0.09 R)
• M24: 39,343,193 km (0.063 R)
• M25: 51,261,805 km (0.107 R)
• M26: 52,436,148 km (0.114 R)
• M27: 63,440,717 km (0.114 R)
• M28: 65,380,253 km (0.066 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 996.8

Radius: 4.6

Gravity: 47.11 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 14.18 AU - 17.02 AU

Year: 23463 Days

Day: 15.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 95,909,456 km

• M1: 57,296 km (0.108 R)
• M2: 258,206 km (0.103 R)
• M3: 801,246 km (0.059 R)
• M4: 1,077,853 km (0.116 R)
• M5: 1,519,166 km (0.055 R)
• M6: 2,276,132 km (0.051 R)
• M7: 2,996,445 km (0.054 R)
• M8: 3,408,737 km (0.092 R)
• M9: 3,596,632 km (0.089 R)
• M10: 4,166,899 km (0.116 R)
• M11: 5,111,909 km (0.066 R)
• M12: 8,967,644 km (0.107 R)
• M13: 9,448,003 km (0.036 R)
• M14: 14,086,435 km (0.112 R)
• M15: 15,066,750 km (0.115 R)
• M16: 16,800,439 km (0.076 R)
• M17: 22,681,132 km (0.11 R)
• M18: 23,123,343 km (0.083 R)
• M19: 26,380,687 km (0.059 R)
• M20: 27,116,409 km (0.117 R)
• M21: 30,596,953 km (0.116 R)
• M22: 33,787,277 km (0.098 R)
• M23: 33,930,742 km (0.03 R)
• M24: 34,219,017 km (0.074 R)
• M25: 35,685,076 km (0.068 R)
• M26: 36,887,544 km (0.101 R)
• M27: 38,116,789 km (0.119 R)
• M28: 45,719,204 km (0.043 R)
• M29: 50,620,628 km (0.09 R)
• M30: 50,997,017 km (0.034 R)
• M31: 55,460,718 km (0.097 R)
• M32: 56,061,503 km (0.037 R)
• M33: 61,237,589 km (0.043 R)
• M34: 62,525,477 km (0.077 R)
• M35: 75,673,933 km (0.072 R)
• M36: 77,655,058 km (0.115 R)
• M37: 78,406,937 km (0.091 R)
• M38: 78,910,782 km (0.045 R)
• M39: 83,019,488 km (0.082 R)
• M40: 88,353,101 km (0.083 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 367 - 13,951 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit