🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.4

Radius: 8.5

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.77 AU - 0.95 AU

Year: 523 Days

Day: 14.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,833,175 km

• M1: 105,766 km (0.118 R)
• M2: 374,593 km (0.084 R)
• M3: 702,063 km (0.102 R)
• M4: 1,691,503 km (0.065 R)
• M5: 2,188,617 km (0.058 R)
• M6: 2,616,018 km (0.096 R)
• M7: 3,024,121 km (0.091 R)
• M8: 3,360,567 km (0.052 R)
• M9: 3,697,910 km (0.08 R)
• M10: 4,891,252 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.4

Radius: 14.1

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.92 AU - 1.36 AU

Year: 798 Days

Day: 6.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,833,175 km

• M1: 175,329 km (0.086 R)
• M2: 673,340 km (0.055 R)
• M3: 1,499,569 km (0.119 R)
• M4: 2,157,800 km (0.114 R)
• M5: 2,804,362 km (0.112 R)
• M6: 3,754,907 km (0.111 R)
• M7: 4,207,590 km (0.118 R)
• M8: 5,112,358 km (0.074 R)
• M9: 6,101,050 km (0.03 R)
• M10: 7,572,644 km (0.097 R)
• M11: 8,146,502 km (0.079 R)
• M12: 8,642,419 km (0.088 R)
• M13: 9,186,057 km (0.057 R)
• M14: 9,637,544 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.5

Radius: 11.4

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.12 AU - 1.42 AU

Year: 939 Days

Day: 7.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,833,175 km

• M1: 157,527 km (0.067 R)
• M2: 533,765 km (0.109 R)
• M3: 930,050 km (0.085 R)
• M4: 1,293,573 km (0.027 R)
• M5: 2,240,079 km (0.119 R)
• M6: 3,001,532 km (0.11 R)
• M7: 3,387,494 km (0.108 R)
• M8: 3,928,141 km (0.115 R)
• M9: 5,017,662 km (0.099 R)
• M10: 5,390,759 km (0.083 R)
• M11: 5,883,086 km (0.095 R)
• M12: 6,383,940 km (0.107 R)
• M13: 6,845,299 km (0.04 R)
• M14: 7,258,489 km (0.106 R)
• M15: 7,663,899 km (0.094 R)
• M16: 8,084,419 km (0.079 R)
• M17: 8,757,459 km (0.087 R)
• M18: 9,244,999 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.7

Radius: 11

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.62 AU - 2.18 AU

Year: 1718 Days

Day: 7.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,833,175 km

• M1: 137,181 km (0.094 R)
• M2: 497,263 km (0.094 R)
• M3: 874,998 km (0.105 R)
• M4: 1,492,538 km (0.046 R)
• M5: 2,176,948 km (0.085 R)
• M6: 2,851,036 km (0.075 R)
• M7: 3,583,916 km (0.041 R)
• M8: 4,052,008 km (0.084 R)
• M9: 4,578,293 km (0.078 R)
• M10: 5,246,248 km (0.071 R)
• M11: 5,809,783 km (0.048 R)
• M12: 6,214,894 km (0.088 R)
• M13: 7,177,706 km (0.099 R)
• M14: 7,619,768 km (0.097 R)
• M15: 9,084,032 km (0.077 R)
• M16: 10,108,627 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.3

Radius: 8

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.15 AU - 3.15 AU

Year: 2830 Days

Day: 5.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,833,175 km

• M1: 99,483 km (0.075 R)
• M2: 549,174 km (0.059 R)
• M3: 951,592 km (0.072 R)
• M4: 1,208,751 km (0.034 R)
• M5: 1,736,831 km (0.115 R)
• M6: 2,253,094 km (0.11 R)
• M7: 2,913,568 km (0.055 R)
• M8: 3,660,809 km (0.037 R)
• M9: 4,050,662 km (0.112 R)
• M10: 4,305,726 km (0.104 R)
• M11: 4,613,449 km (0.045 R)
• M12: 6,019,070 km (0.048 R)
• M13: 7,601,068 km (0.04 R)
• M14: 8,143,809 km (0.116 R)
• M15: 8,647,804 km (0.068 R)
• M16: 9,787,740 km (0.113 R)
• M17: 10,321,206 km (0.097 R)
• M18: 11,062,463 km (0.055 R)
• M19: 12,362,618 km (0.087 R)
• M20: 12,692,482 km (0.042 R)
• M21: 13,198,422 km (0.087 R)
• M22: 15,404,841 km (0.045 R)
• M23: 15,980,493 km (0.086 R)
• M24: 16,421,657 km (0.078 R)
• M25: 16,820,635 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.6

Radius: 9.2

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.85 AU - 4.53 AU

Year: 4650 Days

Day: 12.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,833,175 km

• M1: 116,387 km (0.115 R)
• M2: 515,365 km (0.086 R)
• M3: 1,064,987 km (0.032 R)
• M4: 1,957,039 km (0.089 R)
• M5: 2,636,363 km (0.118 R)
• M6: 3,784,228 km (0.098 R)
• M7: 5,745,157 km (0.101 R)
• M8: 7,128,937 km (0.084 R)
• M9: 8,341,278 km (0.034 R)
• M10: 9,195,632 km (0.111 R)
• M11: 10,193,001 km (0.104 R)
• M12: 11,260,830 km (0.106 R)
• M13: 11,727,276 km (0.09 R)
• M14: 12,157,819 km (0.067 R)
• M15: 13,255,119 km (0.059 R)
• M16: 14,745,413 km (0.114 R)
• M17: 17,866,773 km (0.09 R)
• M18: 21,121,424 km (0.096 R)
• M19: 21,687,802 km (0.079 R)
• M20: 28,604,459 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.9

Radius: 11.8

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.13 AU - 5.61 AU

Year: 7050 Days

Day: 11.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,833,175 km

• M1: 146,756 km (0.113 R)
• M2: 688,599 km (0.069 R)
• M3: 1,278,912 km (0.101 R)
• M4: 1,760,617 km (0.101 R)
• M5: 2,712,808 km (0.105 R)
• M6: 3,271,257 km (0.041 R)
• M7: 6,002,764 km (0.112 R)
• M8: 6,484,768 km (0.083 R)
• M9: 7,763,980 km (0.077 R)
• M10: 9,159,878 km (0.045 R)
• M11: 9,706,807 km (0.117 R)
• M12: 10,568,192 km (0.068 R)
• M13: 11,848,151 km (0.094 R)
• M14: 13,171,644 km (0.119 R)
• M15: 14,047,539 km (0.088 R)
• M16: 22,506,102 km (0.108 R)
• M17: 23,001,121 km (0.102 R)
• M18: 23,503,471 km (0.077 R)
• M19: 25,230,728 km (0.095 R)
• M20: 26,764,256 km (0.104 R)
• M21: 27,320,012 km (0.097 R)
• M22: 32,464,533 km (0.06 R)
• M23: 33,096,734 km (0.08 R)
• M24: 33,522,788 km (0.116 R)
• M25: 39,999,329 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 220.5

Radius: 3.6

Gravity: 17.01 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 5.03 AU - 8.29 AU

Year: 11275 Days

Day: 19.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 177 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,833,175 km

• M1: 45,627 km (0.026 R)
• M2: 232,026 km (0.105 R)
• M3: 736,620 km (0.11 R)
• M4: 1,801,607 km (0.1 R)
• M5: 5,100,091 km (0.049 R)
• M6: 5,246,846 km (0.093 R)
• M7: 10,309,388 km (0.092 R)
• M8: 12,819,341 km (0.102 R)
• M9: 13,701,370 km (0.097 R)
• M10: 15,585,256 km (0.101 R)
• M11: 16,781,740 km (0.084 R)
• M12: 25,269,923 km (0.046 R)
• M13: 31,293,780 km (0.111 R)
• M14: 33,804,631 km (0.033 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 536.3

Radius: 5.4

Gravity: 18.39 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 7.07 AU - 7.99 AU

Year: 13555 Days

Day: 23 Hours

Environment

Temp: -219 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,833,175 km

• M1: 67,169 km (0.103 R)
• M2: 272,268 km (0.107 R)
• M3: 499,507 km (0.053 R)
• M4: 1,253,481 km (0.104 R)
• M5: 1,440,478 km (0.118 R)
• M6: 10,448,663 km (0.059 R)
• M7: 14,167,666 km (0.068 R)
• M8: 15,463,334 km (0.116 R)
• M9: 16,540,438 km (0.091 R)
• M10: 23,696,901 km (0.047 R)
• M11: 25,614,596 km (0.045 R)
• M12: 47,880,444 km (0.093 R)
• M13: 51,871,416 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 353.2

Radius: 7.6

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 8.65 AU - 12.41 AU

Year: 22416 Days

Day: 22.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,833,175 km

• M1: 94,546 km (0.07 R)
• M2: 339,288 km (0.057 R)
• M3: 1,037,760 km (0.075 R)
• M4: 1,276,818 km (0.1 R)
• M5: 1,568,683 km (0.071 R)
• M6: 1,834,219 km (0.116 R)
• M7: 2,543,912 km (0.119 R)
• M8: 3,397,517 km (0.113 R)
• M9: 5,070,021 km (0.097 R)
• M10: 5,694,443 km (0.119 R)
• M11: 6,327,840 km (0.115 R)
• M12: 7,051,296 km (0.091 R)
• M13: 7,319,375 km (0.105 R)
• M14: 9,552,871 km (0.054 R)
• M15: 11,516,044 km (0.117 R)
• M16: 17,327,473 km (0.091 R)
• M17: 18,652,611 km (0.059 R)
• M18: 22,163,074 km (0.101 R)
• M19: 24,224,682 km (0.045 R)
• M20: 36,076,125 km (0.119 R)
• M21: 40,040,319 km (0.087 R)
• M22: 42,789,329 km (0.094 R)
• M23: 43,832,924 km (0.087 R)
• M24: 46,908,507 km (0.078 R)
• M25: 63,687,554 km (0.115 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: 228 - 16,706 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit