🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.1

Radius: 8.2

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.19 AU - 1.49 AU

Year: 1034 Days

Day: 9.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,445,736 km

• M1: 102,175 km (0.102 R)
• M2: 590,164 km (0.087 R)
• M3: 992,133 km (0.108 R)
• M4: 1,317,060 km (0.075 R)
• M5: 1,988,604 km (0.1 R)
• M6: 2,324,901 km (0.089 R)
• M7: 2,598,814 km (0.115 R)
• M8: 6,020,566 km (0.087 R)
• M9: 6,479,682 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.8

Radius: 9.1

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.59 AU - 3.29 AU

Year: 3362 Days

Day: 11 Hours

Environment

Temp: -211 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,445,736 km

• M1: 113,246 km (0.096 R)
• M2: 748,588 km (0.102 R)
• M3: 2,059,215 km (0.109 R)
• M4: 4,756,913 km (0.111 R)
• M5: 5,539,160 km (0.075 R)
• M6: 6,224,618 km (0.069 R)
• M7: 7,457,753 km (0.117 R)
• M8: 10,945,478 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.6

Radius: 12.7

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.48 AU - 3.48 AU

Year: 3430 Days

Day: 8.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,445,736 km

• M1: 157,975 km (0.118 R)
• M2: 998,566 km (0.099 R)
• M3: 1,552,078 km (0.111 R)
• M4: 2,223,922 km (0.077 R)
• M5: 3,038,782 km (0.119 R)
• M6: 4,097,635 km (0.06 R)
• M7: 5,767,447 km (0.095 R)
• M8: 6,284,307 km (0.112 R)
• M9: 7,465,383 km (0.06 R)
• M10: 8,137,675 km (0.117 R)
• M11: 10,989,908 km (0.093 R)

Asteroid Belt

Center: 4.51 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 266

Radius: 6.9

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 5.93 AU - 6.15 AU

Year: 9899 Days

Day: 20.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,445,736 km

• M1: 85,869 km (0.11 R)
• M2: 425,307 km (0.063 R)
• M3: 1,189,453 km (0.09 R)
• M4: 1,743,114 km (0.052 R)
• M5: 2,141,045 km (0.081 R)
• M6: 3,614,584 km (0.082 R)
• M7: 4,709,042 km (0.052 R)
• M8: 5,787,792 km (0.104 R)
• M9: 10,229,203 km (0.069 R)
• M10: 10,647,329 km (0.109 R)
• M11: 12,803,783 km (0.066 R)
• M12: 14,528,347 km (0.058 R)
• M13: 15,903,750 km (0.061 R)
• M14: 19,189,667 km (0.102 R)
• M15: 20,402,606 km (0.077 R)
• M16: 21,139,526 km (0.112 R)
• M17: 21,590,114 km (0.116 R)
• M18: 24,511,611 km (0.071 R)
• M19: 30,644,525 km (0.077 R)
• M20: 32,397,812 km (0.095 R)
• M21: 34,113,999 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 767.7

Radius: 7.1

Gravity: 15.23 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 6.92 AU - 10.52 AU

Year: 17171 Days

Day: 16.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,445,736 km

• M1: 88,263 km (0.095 R)
• M2: 338,690 km (0.087 R)
• M3: 600,935 km (0.095 R)
• M4: 827,127 km (0.106 R)
• M5: 1,460,823 km (0.094 R)
• M6: 2,991,060 km (0.088 R)
• M7: 3,332,741 km (0.1 R)
• M8: 4,125,909 km (0.03 R)
• M9: 5,111,460 km (0.09 R)
• M10: 6,629,579 km (0.038 R)
• M11: 7,538,985 km (0.118 R)
• M12: 8,580,635 km (0.058 R)
• M13: 9,436,334 km (0.117 R)
• M14: 17,413,791 km (0.075 R)
• M15: 18,003,505 km (0.085 R)
• M16: 24,233,509 km (0.096 R)
• M17: 28,866,704 km (0.117 R)
• M18: 33,927,151 km (0.036 R)
• M19: 37,983,797 km (0.11 R)
• M20: 38,265,191 km (0.034 R)
• M21: 42,051,064 km (0.043 R)
• M22: 44,034,432 km (0.079 R)
• M23: 46,399,575 km (0.108 R)
• M24: 46,721,061 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 888.8

Radius: 5.7

Gravity: 27.36 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 8.57 AU - 10.23 AU

Year: 19219 Days

Day: 20.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 79,445,736 km

• M1: 71,209 km (0.031 R)
• M2: 557,701 km (0.119 R)
• M3: 736,470 km (0.093 R)
• M4: 1,053,319 km (0.05 R)
• M5: 1,317,359 km (0.116 R)
• M6: 2,407,179 km (0.089 R)
• M7: 2,817,078 km (0.097 R)
• M8: 3,901,213 km (0.094 R)
• M9: 4,363,022 km (0.05 R)
• M10: 5,967,908 km (0.071 R)
• M11: 7,138,212 km (0.114 R)
• M12: 7,626,499 km (0.102 R)
• M13: 10,103,242 km (0.053 R)
• M14: 12,159,764 km (0.092 R)
• M15: 12,926,752 km (0.091 R)
• M16: 17,424,262 km (0.045 R)
• M17: 21,536,259 km (0.083 R)
• M18: 22,244,904 km (0.026 R)
• M19: 23,495,842 km (0.09 R)
• M20: 25,235,665 km (0.099 R)
• M21: 27,765,664 km (0.089 R)
• M22: 30,840,199 km (0.079 R)
• M23: 32,922,751 km (0.073 R)
• M24: 38,240,357 km (0.093 R)
• M25: 41,256,400 km (0.111 R)
• M26: 42,348,464 km (0.082 R)
• M27: 49,307,907 km (0.056 R)
• M28: 51,427,858 km (0.084 R)
• M29: 65,017,030 km (0.027 R)
• M30: 66,920,812 km (0.05 R)
• M31: 69,735,945 km (0.03 R)
• M32: 71,061,532 km (0.108 R)
• M33: 73,535,133 km (0.11 R)
• M34: 73,762,820 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 655.1

Radius: 7.7

Gravity: 11.05 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 9.44 AU - 10.18 AU

Year: 20490 Days

Day: 15.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 79,445,736 km

• M1: 95,743 km (0.097 R)
• M2: 443,857 km (0.089 R)
• M3: 704,456 km (0.098 R)
• M4: 1,372,261 km (0.113 R)
• M5: 2,129,675 km (0.059 R)
• M6: 2,565,753 km (0.102 R)
• M7: 2,830,093 km (0.111 R)
• M8: 4,012,664 km (0.083 R)
• M9: 4,785,037 km (0.095 R)
• M10: 7,357,822 km (0.1 R)
• M11: 8,147,698 km (0.108 R)
• M12: 8,457,964 km (0.076 R)
• M13: 9,836,808 km (0.078 R)
• M14: 12,963,104 km (0.091 R)
• M15: 15,095,472 km (0.088 R)
• M16: 16,123,210 km (0.065 R)
• M17: 18,940,736 km (0.027 R)
• M18: 19,762,477 km (0.111 R)
• M19: 20,041,776 km (0.114 R)
• M20: 29,573,704 km (0.066 R)
• M21: 31,431,111 km (0.111 R)
• M22: 33,893,642 km (0.092 R)
• M23: 35,513,487 km (0.095 R)
• M24: 37,467,684 km (0.061 R)
• M25: 42,665,014 km (0.087 R)
• M26: 48,660,896 km (0.109 R)
• M27: 50,719,961 km (0.118 R)
• M28: 52,836,322 km (0.104 R)
• M29: 53,916,269 km (0.115 R)
• M30: 54,644,362 km (0.055 R)
• M31: 55,379,037 km (0.086 R)
• M32: 62,090,596 km (0.108 R)
• M33: 63,091,556 km (0.089 R)
• M34: 65,125,787 km (0.096 R)
• M35: 65,951,568 km (0.116 R)
• M36: 66,575,391 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 600.7

Radius: 6.4

Gravity: 14.67 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 9.39 AU - 11.67 AU

Year: 22786 Days

Day: 15.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 146.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 79,445,736 km

• M1: 80,484 km (0.038 R)
• M2: 375,191 km (0.051 R)
• M3: 879,486 km (0.091 R)
• M4: 1,334,563 km (0.08 R)
• M5: 1,641,687 km (0.114 R)
• M6: 1,955,843 km (0.101 R)
• M7: 2,607,790 km (0.096 R)
• M8: 5,159,032 km (0.111 R)
• M9: 6,433,905 km (0.11 R)
• M10: 6,840,363 km (0.109 R)
• M11: 7,073,436 km (0.054 R)
• M12: 7,956,961 km (0.111 R)
• M13: 8,214,868 km (0.103 R)
• M14: 8,585,422 km (0.084 R)
• M15: 9,022,397 km (0.086 R)
• M16: 9,940,928 km (0.09 R)
• M17: 10,732,002 km (0.048 R)
• M18: 12,369,799 km (0.103 R)
• M19: 13,069,169 km (0.088 R)
• M20: 16,713,523 km (0.062 R)
• M21: 17,394,642 km (0.043 R)
• M22: 20,497,302 km (0.095 R)
• M23: 21,277,455 km (0.058 R)
• M24: 27,069,436 km (0.092 R)
• M25: 28,605,806 km (0.073 R)
• M26: 28,968,431 km (0.099 R)
• M27: 35,333,671 km (0.057 R)
• M28: 37,598,283 km (0.099 R)
• M29: 42,257,958 km (0.108 R)
• M30: 43,202,219 km (0.053 R)
• M31: 44,644,941 km (0.063 R)
• M32: 47,457,082 km (0.059 R)
• M33: 48,135,508 km (0.063 R)
• M34: 48,648,480 km (0.107 R)
• M35: 49,165,191 km (0.117 R)
• M36: 53,066,553 km (0.115 R)
• M37: 60,679,739 km (0.113 R)
• M38: 65,999,888 km (0.073 R)
• M39: 75,696,822 km (0.066 R)
• M40: 76,622,683 km (0.089 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 511 - 19,406 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit