🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.41 AU - 0.65 AU

Year: 249 Days

Day: 33.7 Hours

Environment

Temp: -123 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.98 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.3

Radius: 11.5

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.3 AU - 1.56 AU

Year: 1104 Days

Day: 12 Hours

Environment

Temp: -181 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,612,988 km

• M1: 143,016 km (0.115 R)
• M2: 628,610 km (0.106 R)
• M3: 1,395,748 km (0.12 R)
• M4: 1,763,759 km (0.096 R)
• M5: 2,135,809 km (0.111 R)
• M6: 2,560,816 km (0.045 R)
• M7: 3,215,756 km (0.098 R)
• M8: 3,583,617 km (0.084 R)
• M9: 4,075,196 km (0.106 R)
• M10: 5,062,841 km (0.084 R)
• M11: 5,683,522 km (0.111 R)
• M12: 6,054,675 km (0.112 R)
• M13: 6,709,315 km (0.118 R)
• M14: 7,338,374 km (0.045 R)
• M15: 7,729,423 km (0.056 R)
• M16: 8,263,786 km (0.12 R)
• M17: 8,633,592 km (0.107 R)
• M18: 9,014,618 km (0.078 R)
• M19: 9,839,650 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.3

Radius: 11.8

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.9 AU - 2.02 AU

Year: 1772 Days

Day: 11.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 87,612,988 km

• M1: 146,756 km (0.08 R)
• M2: 596,447 km (0.079 R)
• M3: 978,819 km (0.12 R)
• M4: 3,269,312 km (0.05 R)
• M5: 5,473,487 km (0.072 R)
• M6: 6,435,401 km (0.063 R)
• M7: 7,940,805 km (0.032 R)
• M8: 9,403,872 km (0.099 R)
• M9: 10,495,487 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.9

Radius: 13.4

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.36 AU - 2.9 AU

Year: 2754 Days

Day: 8.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 71.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,612,988 km

• M1: 166,652 km (0.096 R)
• M2: 604,824 km (0.073 R)
• M3: 1,177,485 km (0.086 R)
• M4: 1,694,944 km (0.102 R)
• M5: 2,434,406 km (0.073 R)
• M6: 3,562,673 km (0.092 R)
• M7: 4,150,294 km (0.098 R)
• M8: 4,859,238 km (0.074 R)
• M9: 5,605,283 km (0.034 R)
• M10: 6,661,743 km (0.095 R)
• M11: 7,557,535 km (0.083 R)
• M12: 8,225,789 km (0.076 R)
• M13: 8,962,259 km (0.102 R)
• M14: 10,963,430 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.2

Radius: 9

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.73 AU - 4.03 AU

Year: 4012 Days

Day: 5.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 87,612,988 km

• M1: 111,899 km (0.104 R)
• M2: 399,726 km (0.064 R)
• M3: 821,592 km (0.102 R)
• M4: 1,362,238 km (0.056 R)
• M5: 2,429,918 km (0.099 R)
• M6: 3,448,680 km (0.099 R)
• M7: 3,810,108 km (0.115 R)
• M8: 4,469,087 km (0.087 R)
• M9: 4,777,408 km (0.089 R)
• M10: 6,628,981 km (0.035 R)
• M11: 6,936,853 km (0.092 R)
• M12: 7,221,987 km (0.098 R)
• M13: 7,581,321 km (0.082 R)
• M14: 8,021,288 km (0.101 R)
• M15: 9,405,517 km (0.087 R)
• M16: 9,716,083 km (0.084 R)
• M17: 10,358,007 km (0.068 R)
• M18: 11,815,539 km (0.082 R)
• M19: 14,974,597 km (0.109 R)
• M20: 15,505,969 km (0.079 R)
• M21: 16,494,063 km (0.072 R)
• M22: 17,465,402 km (0.119 R)
• M23: 22,691,753 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.7

Radius: 8.7

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.71 AU - 6.99 AU

Year: 9136 Days

Day: 8 Hours

Environment

Temp: -220 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 87,612,988 km

• M1: 110,403 km (0.048 R)
• M2: 425,157 km (0.078 R)
• M3: 789,428 km (0.104 R)
• M4: 1,208,900 km (0.119 R)
• M5: 1,786,348 km (0.111 R)
• M6: 4,464,300 km (0.092 R)
• M7: 4,893,346 km (0.108 R)
• M8: 7,281,976 km (0.078 R)
• M9: 7,839,377 km (0.067 R)
• M10: 11,109,886 km (0.053 R)
• M11: 12,619,628 km (0.102 R)
• M12: 15,372,228 km (0.095 R)
• M13: 15,856,776 km (0.098 R)
• M14: 18,843,049 km (0.084 R)
• M15: 22,803,652 km (0.113 R)
• M16: 25,395,136 km (0.047 R)
• M17: 26,501,712 km (0.086 R)
• M18: 29,270,020 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 604

Radius: 7.2

Gravity: 11.65 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 6.02 AU - 8.32 AU

Year: 12396 Days

Day: 23 Hours

Environment

Temp: -231 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 87,612,988 km

• M1: 94,097 km (0.103 R)
• M2: 587,022 km (0.077 R)
• M3: 2,080,308 km (0.1 R)
• M4: 2,379,354 km (0.102 R)
• M5: 2,815,432 km (0.11 R)
• M6: 3,555,193 km (0.094 R)
• M7: 4,040,638 km (0.108 R)
• M8: 6,629,430 km (0.117 R)
• M9: 7,534,946 km (0.097 R)
• M10: 7,839,676 km (0.119 R)
• M11: 8,243,591 km (0.107 R)
• M12: 11,131,428 km (0.068 R)
• M13: 13,840,645 km (0.109 R)
• M14: 14,631,270 km (0.043 R)
• M15: 15,873,232 km (0.095 R)
• M16: 17,484,550 km (0.108 R)
• M17: 24,547,215 km (0.1 R)
• M18: 27,404,535 km (0.093 R)
• M19: 31,811,538 km (0.065 R)
• M20: 35,806,699 km (0.087 R)
• M21: 36,792,998 km (0.059 R)
• M22: 47,821,503 km (0.108 R)
• M23: 48,566,500 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 982.6

Radius: 7.2

Gravity: 18.95 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 10.06 AU - 10.08 AU

Year: 20633 Days

Day: 22.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 87,612,988 km

• M1: 91,255 km (0.113 R)
• M2: 434,731 km (0.093 R)
• M3: 888,611 km (0.094 R)
• M4: 1,182,422 km (0.11 R)
• M5: 2,524,314 km (0.106 R)
• M6: 2,799,126 km (0.045 R)
• M7: 3,206,331 km (0.102 R)
• M8: 5,483,660 km (0.118 R)
• M9: 9,588,625 km (0.081 R)
• M10: 11,294,639 km (0.038 R)
• M11: 11,631,384 km (0.059 R)
• M12: 12,538,546 km (0.1 R)
• M13: 19,279,575 km (0.067 R)
• M14: 20,547,716 km (0.066 R)
• M15: 21,049,916 km (0.075 R)
• M16: 22,499,669 km (0.115 R)
• M17: 22,925,874 km (0.115 R)
• M18: 23,249,005 km (0.098 R)
• M19: 25,828,372 km (0.096 R)
• M20: 29,725,695 km (0.095 R)
• M21: 44,901,502 km (0.105 R)
• M22: 50,678,971 km (0.106 R)
• M23: 58,723,447 km (0.076 R)
• M24: 59,328,571 km (0.118 R)
• M25: 61,375,818 km (0.119 R)
• M26: 64,748,651 km (0.093 R)
• M27: 68,688,461 km (0.059 R)
• M28: 80,713,287 km (0.06 R)
• M29: 87,088,849 km (0.057 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: 235 - 17,871 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit