🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.3

Radius: 8.4

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.78 AU - 0.82 AU

Year: 485 Days

Day: 11.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 14,706,694 km

• M1: 104,569 km (0.083 R)
• M2: 465,249 km (0.063 R)
• M3: 1,160,730 km (0.096 R)
• M4: 1,433,746 km (0.076 R)
• M5: 1,716,336 km (0.064 R)
• M6: 2,207,317 km (0.11 R)
• M7: 2,578,618 km (0.098 R)
• M8: 2,922,694 km (0.105 R)
• M9: 3,469,025 km (0.058 R)
• M10: 3,830,902 km (0.034 R)

Asteroid Belt

Center: 1.42 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.8

Radius: 8.6

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.81 AU - 2.27 AU

Year: 1976 Days

Day: 7.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 14,706,694 km

• M1: 107,262 km (0.092 R)
• M2: 522,545 km (0.049 R)
• M3: 885,919 km (0.098 R)
• M4: 1,831,826 km (0.086 R)
• M5: 2,540,321 km (0.044 R)
• M6: 4,200,110 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.8

Radius: 9.4

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.38 AU - 2.7 AU

Year: 2746 Days

Day: 11.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 52.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 14,706,694 km

• M1: 116,836 km (0.077 R)
• M2: 606,619 km (0.057 R)
• M3: 1,015,022 km (0.087 R)
• M4: 1,449,603 km (0.099 R)
• M5: 1,890,767 km (0.088 R)
• M6: 2,393,117 km (0.065 R)
• M7: 2,936,307 km (0.069 R)
• M8: 3,701,500 km (0.093 R)
• M9: 4,388,603 km (0.115 R)
• M10: 5,623,534 km (0.095 R)
• M11: 6,347,438 km (0.051 R)
• M12: 7,188,477 km (0.057 R)
• M13: 7,680,355 km (0.081 R)
• M14: 8,071,553 km (0.097 R)
• M15: 11,041,220 km (0.12 R)
• M16: 13,513,026 km (0.082 R)
• M17: 16,087,605 km (0.067 R)
• M18: 16,778,897 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.1

Radius: 8.9

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.29 AU - 3.73 AU

Year: 3542 Days

Day: 10 Hours

Environment

Temp: -202 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 14,706,694 km

• M1: 113,395 km (0.101 R)
• M2: 577,448 km (0.05 R)
• M3: 981,512 km (0.067 R)
• M4: 1,516,174 km (0.081 R)
• M5: 1,808,489 km (0.046 R)
• M6: 2,234,394 km (0.088 R)
• M7: 2,710,265 km (0.113 R)
• M8: 3,075,583 km (0.103 R)
• M9: 3,804,423 km (0.109 R)
• M10: 4,177,670 km (0.117 R)
• M11: 4,690,192 km (0.104 R)
• M12: 5,575,812 km (0.072 R)
• M13: 6,169,566 km (0.056 R)
• M14: 8,070,805 km (0.083 R)
• M15: 8,583,776 km (0.079 R)
• M16: 9,675,093 km (0.026 R)
• M17: 17,491,731 km (0.103 R)
• M18: 18,702,576 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949

Radius: 10.5

Gravity: 8.61 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.99 AU - 3.31 AU

Year: 3792 Days

Day: 13.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 14,706,694 km

• M1: 130,599 km (0.056 R)
• M2: 483,052 km (0.05 R)
• M3: 1,104,780 km (0.05 R)
• M4: 1,452,296 km (0.074 R)
• M5: 1,940,733 km (0.117 R)
• M6: 2,315,177 km (0.079 R)
• M7: 3,212,016 km (0.087 R)
• M8: 3,805,022 km (0.097 R)
• M9: 4,591,607 km (0.067 R)
• M10: 5,023,796 km (0.118 R)
• M11: 5,372,508 km (0.099 R)
• M12: 5,737,527 km (0.104 R)
• M13: 6,707,071 km (0.04 R)
• M14: 7,164,242 km (0.115 R)
• M15: 7,712,069 km (0.106 R)
• M16: 8,324,673 km (0.112 R)
• M17: 11,467,275 km (0.102 R)
• M18: 12,074,493 km (0.114 R)
• M19: 16,293,901 km (0.082 R)
• M20: 17,061,637 km (0.042 R)
• M21: 21,127,558 km (0.038 R)
• M22: 22,254,628 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.6

Radius: 8.8

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.41 AU - 3.99 AU

Year: 4827 Days

Day: 6.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 14,706,694 km

• M1: 109,506 km (0.117 R)
• M2: 427,700 km (0.058 R)
• M3: 879,336 km (0.109 R)
• M4: 1,444,218 km (0.03 R)
• M5: 1,929,663 km (0.097 R)
• M6: 2,422,289 km (0.028 R)
• M7: 3,326,608 km (0.1 R)
• M8: 4,514,415 km (0.107 R)
• M9: 4,870,607 km (0.083 R)
• M10: 6,053,777 km (0.101 R)
• M11: 6,487,760 km (0.086 R)
• M12: 7,143,747 km (0.094 R)
• M13: 8,284,281 km (0.069 R)
• M14: 8,664,409 km (0.085 R)
• M15: 10,653,912 km (0.059 R)
• M16: 11,613,283 km (0.094 R)
• M17: 11,993,560 km (0.088 R)
• M18: 12,980,607 km (0.062 R)
• M19: 17,106,517 km (0.109 R)
• M20: 18,548,341 km (0.085 R)
• M21: 19,531,199 km (0.101 R)
• M22: 20,273,803 km (0.11 R)
• M23: 25,606,518 km (0.101 R)
• M24: 26,170,203 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270

Radius: 9.1

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.6 AU - 4.64 AU

Year: 5672 Days

Day: 5.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 14,706,694 km

• M1: 113,545 km (0.073 R)
• M2: 510,578 km (0.093 R)
• M3: 1,428,360 km (0.104 R)
• M4: 1,813,874 km (0.036 R)
• M5: 6,574,677 km (0.107 R)
• M6: 6,941,491 km (0.11 R)
• M7: 7,987,030 km (0.062 R)
• M8: 9,514,125 km (0.095 R)
• M9: 10,023,955 km (0.106 R)
• M10: 11,313,339 km (0.117 R)
• M11: 19,642,051 km (0.117 R)
• M12: 19,957,403 km (0.065 R)
• M13: 23,795,037 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.8

Radius: 9.1

Gravity: 9.02 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.2 AU - 4.52 AU

Year: 6175 Days

Day: 15 Hours

Environment

Temp: -216 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 14,706,694 km

• M1: 113,395 km (0.079 R)
• M2: 575,952 km (0.079 R)
• M3: 965,056 km (0.105 R)
• M4: 1,259,913 km (0.065 R)
• M5: 1,847,235 km (0.073 R)
• M6: 2,643,544 km (0.089 R)
• M7: 3,109,541 km (0.087 R)
• M8: 3,428,035 km (0.107 R)
• M9: 4,181,410 km (0.119 R)
• M10: 4,570,664 km (0.076 R)
• M11: 5,273,175 km (0.055 R)
• M12: 6,242,270 km (0.061 R)
• M13: 7,399,709 km (0.086 R)
• M14: 8,247,031 km (0.059 R)
• M15: 9,286,886 km (0.119 R)
• M16: 10,133,909 km (0.079 R)
• M17: 14,446,367 km (0.04 R)
• M18: 16,203,394 km (0.101 R)
• M19: 17,495,172 km (0.083 R)
• M20: 19,488,414 km (0.047 R)
• M21: 19,991,362 km (0.091 R)
• M22: 20,355,782 km (0.079 R)
• M23: 20,650,640 km (0.055 R)
• M24: 21,935,386 km (0.082 R)
• M25: 23,757,339 km (0.107 R)
• M26: 25,678,175 km (0.117 R)
• M27: 26,369,766 km (0.118 R)
• M28: 27,700,140 km (0.029 R)
• M29: 29,354,992 km (0.11 R)
• M30: 31,367,682 km (0.08 R)
• M31: 33,164,502 km (0.056 R)
• M32: 34,504,300 km (0.092 R)
• M33: 34,818,605 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 735.8

Radius: 7.5

Gravity: 13.08 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 5.3 AU - 8.74 AU

Year: 12615 Days

Day: 21.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 14,706,694 km

• M1: 93,798 km (0.091 R)
• M2: 389,553 km (0.081 R)
• M3: 669,899 km (0.059 R)
• M4: 934,687 km (0.091 R)
• M5: 1,349,373 km (0.101 R)
• M6: 1,916,050 km (0.111 R)
• M7: 2,168,272 km (0.099 R)
• M8: 2,631,726 km (0.068 R)
• M9: 5,377,295 km (0.068 R)
• M10: 5,772,533 km (0.07 R)
• M11: 7,117,717 km (0.106 R)
• M12: 8,904,664 km (0.086 R)
• M13: 10,034,726 km (0.111 R)
• M14: 10,358,905 km (0.059 R)
• M15: 11,257,539 km (0.086 R)
• M16: 13,730,392 km (0.056 R)
• M17: 14,130,117 km (0.068 R)
• M18: 15,447,476 km (0.117 R)
• M19: 19,803,916 km (0.096 R)
• M20: 23,658,155 km (0.098 R)
• M21: 24,426,490 km (0.084 R)
• M22: 28,091,189 km (0.08 R)
• M23: 32,106,396 km (0.086 R)
• M24: 33,766,035 km (0.099 R)
• M25: 36,742,883 km (0.107 R)
• M26: 37,643,013 km (0.061 R)
• M27: 42,365,219 km (0.106 R)
• M28: 47,015,020 km (0.051 R)
• M29: 51,193,887 km (0.092 R)
• M30: 52,802,364 km (0.074 R)
• M31: 54,113,290 km (0.089 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 10.7

Radius: 6.9

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 6.17 AU - 8.59 AU

Year: 13598 Days

Day: 24.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 14,706,694 km

• M1: 86,019 km (0.112 R)
• M2: 303,534 km (0.085 R)
• M3: 574,007 km (0.104 R)
• M4: 2,667,180 km (0.111 R)
• M5: 6,253,939 km (0.118 R)
• M6: 10,083,495 km (0.06 R)
• M7: 11,922,202 km (0.088 R)
• M8: 12,581,779 km (0.112 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 249 - 12,004 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit