🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.8 AU - 1.32 AU

Year: 460 Days

Day: 46.5 Hours

Environment

Temp: -53 °C

Axial Tilt: 6.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.05 AU - 1.27 AU

Year: 527 Days

Day: 46.2 Hours

Environment

Temp: -67 °C

Axial Tilt: 37.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.89 AU - 1.45 AU

Year: 534 Days

Day: 15.6 Hours

Environment

Temp: -71 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.51 AU - 1.95 AU

Year: 960 Days

Day: 18.4 Hours

Environment

Temp: -98 °C

Axial Tilt: 19.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 67,414,708 km

• M1: 411,394 km (0.035 R)
• M2: 555,457 km (0.027 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.84 AU - 2.8 AU

Year: 1490 Days

Day: 19.9 Hours

Environment

Temp: -113 °C

Axial Tilt: 33.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 8.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.3

Radius: 9.1

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 6.44 AU - 10.18 AU

Year: 10103 Days

Day: 5.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 67,414,708 km

• M1: 175,179 km (0.062 R)
• M2: 605,273 km (0.042 R)
• M3: 1,201,121 km (0.087 R)
• M4: 1,691,653 km (0.093 R)
• M5: 3,343,662 km (0.071 R)
• M6: 8,522,291 km (0.032 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 377

Radius: 7.5

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 10.23 AU - 13.29 AU

Year: 17009 Days

Day: 23.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,414,708 km

• M1: 94,845 km (0.084 R)
• M2: 688,300 km (0.042 R)
• M3: 1,632,412 km (0.083 R)
• M4: 2,047,097 km (0.073 R)
• M5: 2,744,074 km (0.075 R)
• M6: 3,536,942 km (0.106 R)
• M7: 6,788,751 km (0.051 R)
• M8: 8,843,179 km (0.109 R)
• M9: 11,453,063 km (0.09 R)
• M10: 13,669,954 km (0.09 R)
• M11: 14,400,740 km (0.039 R)
• M12: 16,012,358 km (0.107 R)
• M13: 16,974,571 km (0.107 R)
• M14: 18,449,606 km (0.096 R)
• M15: 22,280,508 km (0.091 R)
• M16: 22,920,339 km (0.055 R)
• M17: 25,405,159 km (0.093 R)
• M18: 27,226,812 km (0.06 R)
• M19: 29,242,494 km (0.07 R)
• M20: 30,231,187 km (0.05 R)
• M21: 32,274,993 km (0.051 R)
• M22: 33,807,174 km (0.07 R)
• M23: 37,527,075 km (0.101 R)
• M24: 39,485,460 km (0.073 R)
• M25: 44,605,448 km (0.119 R)
• M26: 44,894,171 km (0.079 R)
• M27: 45,329,651 km (0.081 R)
• M28: 51,566,087 km (0.063 R)
• M29: 54,475,915 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 163.6

Radius: 4.8

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 13.8 AU - 14.48 AU

Year: 22425 Days

Day: 19.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 67,414,708 km

• M1: 60,737 km (0.087 R)
• M2: 224,696 km (0.059 R)
• M3: 517,609 km (0.069 R)
• M4: 1,176,886 km (0.112 R)
• M5: 1,546,692 km (0.101 R)
• M6: 2,059,963 km (0.03 R)
• M7: 3,723,491 km (0.056 R)
• M8: 4,424,507 km (0.086 R)
• M9: 5,794,075 km (0.093 R)
• M10: 6,850,236 km (0.097 R)
• M11: 8,297,895 km (0.087 R)
• M12: 12,906,556 km (0.1 R)
• M13: 13,090,262 km (0.112 R)
• M14: 13,843,189 km (0.113 R)
• M15: 14,100,347 km (0.115 R)
• M16: 14,492,144 km (0.113 R)
• M17: 16,560,933 km (0.064 R)
• M18: 21,529,527 km (0.092 R)
• M19: 23,022,813 km (0.08 R)
• M20: 24,024,969 km (0.086 R)
• M21: 24,490,069 km (0.083 R)
• M22: 25,534,262 km (0.085 R)
• M23: 26,410,307 km (0.066 R)
• M24: 27,105,489 km (0.065 R)
• M25: 28,222,386 km (0.036 R)
• M26: 36,789,707 km (0.095 R)
• M27: 42,735,325 km (0.067 R)
• M28: 44,664,389 km (0.116 R)
• M29: 46,506,836 km (0.12 R)
• M30: 49,589,301 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 275.6

Radius: 7

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 12.53 AU - 17.49 AU

Year: 24526 Days

Day: 23.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 67,414,708 km

• M1: 87,066 km (0.086 R)
• M2: 386,411 km (0.107 R)
• M3: 858,841 km (0.066 R)
• M4: 1,296,714 km (0.037 R)
• M5: 3,669,486 km (0.116 R)
• M6: 4,293,459 km (0.088 R)
• M7: 6,465,919 km (0.05 R)
• M8: 6,931,318 km (0.103 R)
• M9: 7,283,771 km (0.099 R)
• M10: 9,763,804 km (0.108 R)
• M11: 10,039,214 km (0.1 R)
• M12: 11,740,291 km (0.071 R)
• M13: 12,051,754 km (0.112 R)
• M14: 13,624,776 km (0.034 R)
• M15: 14,038,563 km (0.094 R)
• M16: 16,698,713 km (0.113 R)
• M17: 19,677,356 km (0.111 R)
• M18: 20,473,815 km (0.067 R)
• M19: 21,291,667 km (0.027 R)
• M20: 24,376,075 km (0.114 R)
• M21: 25,814,609 km (0.117 R)
• M22: 27,636,262 km (0.039 R)
• M23: 27,856,171 km (0.105 R)
• M24: 30,938,934 km (0.051 R)
• M25: 34,368,465 km (0.082 R)
• M26: 43,883,937 km (0.115 R)
• M27: 46,316,548 km (0.116 R)
• M28: 50,131,892 km (0.046 R)
• M29: 51,615,005 km (0.088 R)
• M30: 54,151,437 km (0.074 R)
• M31: 58,924,357 km (0.103 R)
• M32: 63,778,509 km (0.1 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 287.7

Radius: 6.2

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 14.74 AU - 16.26 AU

Year: 25737 Days

Day: 18.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 67,414,708 km

• M1: 83,176 km (0.033 R)
• M2: 286,630 km (0.093 R)
• M3: 674,387 km (0.048 R)
• M4: 1,719,328 km (0.092 R)
• M5: 2,475,097 km (0.103 R)
• M6: 2,677,353 km (0.097 R)
• M7: 3,089,645 km (0.097 R)
• M8: 3,515,700 km (0.112 R)
• M9: 3,801,282 km (0.119 R)
• M10: 5,581,646 km (0.089 R)
• M11: 10,621,598 km (0.101 R)
• M12: 10,858,113 km (0.045 R)
• M13: 13,351,909 km (0.07 R)
• M14: 15,816,983 km (0.065 R)
• M15: 20,420,558 km (0.051 R)
• M16: 20,878,776 km (0.053 R)
• M17: 23,873,726 km (0.075 R)
• M18: 25,001,843 km (0.077 R)
• M19: 27,585,698 km (0.065 R)
• M20: 34,296,060 km (0.069 R)
• M21: 39,279,913 km (0.114 R)
• M22: 40,131,125 km (0.116 R)
• M23: 41,430,831 km (0.086 R)
• M24: 43,207,156 km (0.105 R)
• M25: 43,507,998 km (0.101 R)
• M26: 49,002,727 km (0.07 R)
• M27: 50,320,535 km (0.098 R)
• M28: 52,341,303 km (0.079 R)
• M29: 55,650,408 km (0.083 R)
• M30: 59,467,098 km (0.116 R)
• M31: 62,874,489 km (0.115 R)
• M32: 65,811,544 km (0.1 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 234 - 10,875 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit