🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.39 AU - 0.65 AU

Year: 166 Days

Day: 24.5 Hours

Environment

Temp: 17 °C

Axial Tilt: 46.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 76,084,389 km

• M1: 27,825 km (0.085 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.62 AU - 0.86 AU

Year: 282 Days

Day: 22.6 Hours

Environment

Temp: -42 °C

Axial Tilt: 26.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.63 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.7

Radius: 10.7

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.9 AU - 3.12 AU

Year: 1761 Days

Day: 14.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,084,389 km

• M1: 133,142 km (0.082 R)
• M2: 501,153 km (0.11 R)
• M3: 879,187 km (0.039 R)
• M4: 1,259,315 km (0.111 R)
• M5: 1,602,193 km (0.117 R)
• M6: 2,317,121 km (0.116 R)
• M7: 3,093,086 km (0.117 R)
• M8: 4,652,195 km (0.052 R)
• M9: 5,309,976 km (0.069 R)
• M10: 5,884,582 km (0.061 R)
• M11: 6,916,658 km (0.085 R)
• M12: 7,977,157 km (0.106 R)
• M13: 8,424,454 km (0.032 R)
• M14: 8,762,994 km (0.086 R)
• M15: 13,237,467 km (0.097 R)
• M16: 14,251,591 km (0.095 R)
• M17: 14,689,015 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.4

Radius: 9.4

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.59 AU - 4.55 AU

Year: 3637 Days

Day: 14.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,084,389 km

• M1: 116,986 km (0.115 R)
• M2: 507,586 km (0.034 R)
• M3: 1,027,887 km (0.113 R)
• M4: 1,576,612 km (0.089 R)
• M5: 2,012,091 km (0.044 R)
• M6: 2,381,149 km (0.058 R)
• M7: 3,198,552 km (0.095 R)
• M8: 3,802,030 km (0.063 R)
• M9: 5,093,658 km (0.068 R)
• M10: 6,608,336 km (0.07 R)
• M11: 7,048,603 km (0.116 R)
• M12: 7,692,472 km (0.096 R)
• M13: 8,687,747 km (0.084 R)
• M14: 9,186,656 km (0.081 R)
• M15: 11,619,117 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.7

Radius: 9.2

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.99 AU - 4.33 AU

Year: 3758 Days

Day: 9.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,084,389 km

• M1: 114,442 km (0.064 R)
• M2: 462,706 km (0.035 R)
• M3: 1,043,445 km (0.114 R)
• M4: 1,377,348 km (0.097 R)
• M5: 2,020,768 km (0.06 R)
• M6: 3,302,373 km (0.113 R)
• M7: 3,818,486 km (0.028 R)
• M8: 4,538,201 km (0.053 R)
• M9: 5,296,961 km (0.117 R)
• M10: 7,639,963 km (0.106 R)
• M11: 8,245,685 km (0.052 R)
• M12: 8,780,049 km (0.093 R)
• M13: 9,881,388 km (0.072 R)
• M14: 11,805,965 km (0.118 R)
• M15: 12,485,289 km (0.062 R)
• M16: 13,507,042 km (0.116 R)
• M17: 14,297,368 km (0.102 R)
• M18: 16,695,422 km (0.105 R)
• M19: 18,718,134 km (0.053 R)
• M20: 19,291,693 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.7

Radius: 9.3

Gravity: 9.55 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.51 AU - 5.57 AU

Year: 5012 Days

Day: 6.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,084,389 km

• M1: 115,938 km (0.103 R)
• M2: 461,809 km (0.093 R)
• M3: 1,099,096 km (0.11 R)
• M4: 1,550,432 km (0.106 R)
• M5: 1,945,820 km (0.109 R)
• M6: 2,922,694 km (0.097 R)
• M7: 3,445,239 km (0.071 R)
• M8: 4,496,164 km (0.095 R)
• M9: 5,054,164 km (0.095 R)
• M10: 5,422,324 km (0.103 R)
• M11: 6,372,869 km (0.115 R)
• M12: 7,685,142 km (0.056 R)
• M13: 8,211,278 km (0.055 R)
• M14: 8,641,371 km (0.082 R)
• M15: 9,377,692 km (0.113 R)
• M16: 10,788,998 km (0.093 R)
• M17: 13,111,206 km (0.099 R)
• M18: 14,082,844 km (0.041 R)
• M19: 17,285,585 km (0.056 R)
• M20: 18,786,351 km (0.045 R)
• M21: 19,880,360 km (0.096 R)
• M22: 22,270,037 km (0.037 R)
• M23: 25,006,930 km (0.078 R)
• M24: 25,415,481 km (0.106 R)
• M25: 26,161,975 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.8

Radius: 8.9

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 5.89 AU - 6.03 AU

Year: 6445 Days

Day: 6.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,084,389 km

• M1: 111,600 km (0.106 R)
• M2: 553,662 km (0.092 R)
• M3: 2,029,744 km (0.109 R)
• M4: 2,582,059 km (0.11 R)
• M5: 2,911,175 km (0.058 R)
• M6: 5,593,614 km (0.111 R)
• M7: 5,921,981 km (0.078 R)
• M8: 6,677,899 km (0.034 R)
• M9: 8,666,205 km (0.045 R)
• M10: 9,370,511 km (0.104 R)
• M11: 9,756,324 km (0.052 R)
• M12: 10,072,574 km (0.104 R)
• M13: 10,851,082 km (0.1 R)
• M14: 13,043,887 km (0.091 R)
• M15: 14,168,564 km (0.078 R)
• M16: 14,523,410 km (0.074 R)
• M17: 16,834,697 km (0.063 R)
• M18: 20,648,097 km (0.053 R)
• M19: 21,434,533 km (0.043 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.4

Radius: 11.9

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.97 AU - 7.35 AU

Year: 6772 Days

Day: 13 Hours

Environment

Temp: -185 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 76,084,389 km

• M1: 147,952 km (0.104 R)
• M2: 527,033 km (0.12 R)
• M3: 990,637 km (0.092 R)
• M4: 1,481,917 km (0.09 R)
• M5: 2,134,462 km (0.089 R)
• M6: 3,201,245 km (0.111 R)
• M7: 3,817,738 km (0.115 R)
• M8: 4,705,601 km (0.08 R)
• M9: 5,079,596 km (0.095 R)
• M10: 6,461,581 km (0.073 R)
• M11: 7,109,190 km (0.068 R)
• M12: 9,539,856 km (0.081 R)
• M13: 10,818,918 km (0.047 R)
• M14: 11,837,829 km (0.079 R)
• M15: 13,256,615 km (0.087 R)
• M16: 14,664,182 km (0.106 R)
• M17: 15,719,744 km (0.051 R)
• M18: 17,025,883 km (0.113 R)
• M19: 18,191,849 km (0.072 R)
• M20: 18,974,246 km (0.119 R)
• M21: 22,089,173 km (0.077 R)
• M22: 26,420,480 km (0.098 R)
• M23: 32,101,459 km (0.038 R)
• M24: 32,929,633 km (0.086 R)
• M25: 33,771,869 km (0.036 R)
• M26: 37,285,474 km (0.099 R)
• M27: 37,741,149 km (0.082 R)
• M28: 38,896,494 km (0.095 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.7

Radius: 10

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 6.41 AU - 9.77 AU

Year: 10192 Days

Day: 7.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,084,389 km

• M1: 124,316 km (0.12 R)
• M2: 616,044 km (0.032 R)
• M3: 1,504,805 km (0.049 R)
• M4: 2,251,747 km (0.089 R)
• M5: 3,506,574 km (0.067 R)
• M6: 4,111,099 km (0.117 R)
• M7: 5,303,095 km (0.041 R)
• M8: 5,859,749 km (0.025 R)
• M9: 7,725,533 km (0.109 R)
• M10: 8,485,042 km (0.088 R)
• M11: 9,480,017 km (0.09 R)
• M12: 10,754,292 km (0.042 R)
• M13: 15,259,432 km (0.098 R)
• M14: 16,385,904 km (0.09 R)
• M15: 16,934,778 km (0.11 R)
• M16: 18,069,179 km (0.112 R)
• M17: 20,097,427 km (0.103 R)
• M18: 20,726,486 km (0.12 R)
• M19: 22,524,203 km (0.097 R)
• M20: 27,373,119 km (0.092 R)
• M21: 40,053,483 km (0.041 R)

Planet 10 - Ice Giant

Semi-Major Axis: 12.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774.7

Radius: 5.2

Gravity: 28.65 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 10.38 AU - 13.96 AU

Year: 18805 Days

Day: 16.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 76,084,389 km

• M1: 65,075 km (0.089 R)
• M2: 268,827 km (0.077 R)
• M3: 1,063,940 km (0.071 R)
• M4: 2,242,771 km (0.059 R)
• M5: 2,897,112 km (0.034 R)
• M6: 3,159,208 km (0.043 R)
• M7: 3,494,457 km (0.104 R)
• M8: 4,170,489 km (0.085 R)
• M9: 4,749,732 km (0.089 R)
• M10: 4,966,500 km (0.06 R)
• M11: 5,303,993 km (0.088 R)
• M12: 6,279,071 km (0.102 R)
• M13: 6,584,550 km (0.107 R)
• M14: 8,683,708 km (0.05 R)
• M15: 10,753,693 km (0.105 R)
• M16: 11,127,987 km (0.118 R)
• M17: 11,640,510 km (0.038 R)
• M18: 13,414,890 km (0.116 R)
• M19: 16,815,549 km (0.114 R)
• M20: 17,150,498 km (0.096 R)
• M21: 17,489,936 km (0.092 R)
• M22: 18,182,275 km (0.073 R)
• M23: 19,806,608 km (0.118 R)
• M24: 23,862,356 km (0.096 R)
• M25: 26,363,633 km (0.111 R)
• M26: 30,869,670 km (0.088 R)
• M27: 31,120,097 km (0.114 R)
• M28: 34,098,441 km (0.083 R)
• M29: 48,249,053 km (0.102 R)
• M30: 53,837,132 km (0.097 R)
• M31: 60,230,646 km (0.108 R)
• M32: 66,693,424 km (0.109 R)
• M33: 74,050,348 km (0.104 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 394 - 12,529 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit