🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.5

Radius: 13.6

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.7 AU - 0.76 AU

Year: 416 Days

Day: 7.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,396,959 km

• M1: 169,794 km (0.063 R)
• M2: 607,367 km (0.079 R)
• M3: 1,075,309 km (0.077 R)
• M4: 1,549,385 km (0.05 R)
• M5: 2,352,127 km (0.042 R)
• M6: 3,013,649 km (0.112 R)
• M7: 3,533,352 km (0.096 R)
• M8: 4,669,548 km (0.088 R)
• M9: 5,093,359 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352

Radius: 10.7

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.8 AU - 1 AU

Year: 569 Days

Day: 12.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,396,959 km

• M1: 133,142 km (0.095 R)
• M2: 490,831 km (0.113 R)
• M3: 835,055 km (0.051 R)
• M4: 1,824,496 km (0.041 R)
• M5: 2,336,420 km (0.045 R)
• M6: 3,528,864 km (0.085 R)
• M7: 4,468,189 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.5

Radius: 13.1

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.26 AU - 2.78 AU

Year: 2668 Days

Day: 13.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,396,959 km

• M1: 163,510 km (0.115 R)
• M2: 749,336 km (0.101 R)
• M3: 1,342,042 km (0.066 R)
• M4: 2,097,661 km (0.098 R)
• M5: 3,223,834 km (0.101 R)
• M6: 4,266,232 km (0.118 R)
• M7: 4,831,862 km (0.115 R)
• M8: 5,349,321 km (0.061 R)
• M9: 6,008,598 km (0.1 R)
• M10: 6,721,432 km (0.106 R)
• M11: 7,217,349 km (0.088 R)
• M12: 7,644,302 km (0.071 R)
• M13: 9,097,047 km (0.074 R)
• M14: 10,378,502 km (0.051 R)
• M15: 10,844,499 km (0.053 R)
• M16: 11,860,568 km (0.096 R)
• M17: 13,525,143 km (0.069 R)
• M18: 14,034,823 km (0.089 R)
• M19: 15,092,929 km (0.081 R)
• M20: 15,997,398 km (0.098 R)
• M21: 16,831,556 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.6

Radius: 13.3

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.39 AU - 4.45 AU

Year: 6197 Days

Day: 5.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 63,396,959 km

• M1: 165,455 km (0.087 R)
• M2: 640,279 km (0.084 R)
• M3: 1,128,566 km (0.03 R)
• M4: 1,592,320 km (0.091 R)
• M5: 2,138,352 km (0.118 R)
• M6: 3,330,198 km (0.081 R)
• M7: 4,842,034 km (0.116 R)
• M8: 6,396,655 km (0.055 R)
• M9: 6,911,870 km (0.078 R)
• M10: 7,832,346 km (0.066 R)
• M11: 8,874,594 km (0.031 R)
• M12: 10,798,722 km (0.112 R)
• M13: 12,453,724 km (0.111 R)
• M14: 14,620,948 km (0.08 R)
• M15: 15,154,713 km (0.097 R)
• M16: 15,701,643 km (0.102 R)
• M17: 16,136,075 km (0.119 R)
• M18: 20,196,311 km (0.086 R)
• M19: 21,233,473 km (0.084 R)
• M20: 21,841,888 km (0.069 R)
• M21: 24,558,435 km (0.07 R)
• M22: 25,144,560 km (0.075 R)
• M23: 26,257,717 km (0.112 R)
• M24: 31,431,560 km (0.055 R)
• M25: 32,122,702 km (0.12 R)
• M26: 34,153,194 km (0.096 R)
• M27: 35,305,845 km (0.058 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 412

Radius: 7.1

Gravity: 8.17 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.16 AU - 6.52 AU

Year: 9411 Days

Day: 25 Hours

Environment

Temp: -230 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,396,959 km

• M1: 110,403 km (0.111 R)
• M2: 350,059 km (0.102 R)
• M3: 976,276 km (0.077 R)
• M4: 1,519,914 km (0.112 R)
• M5: 2,004,611 km (0.092 R)
• M6: 2,283,462 km (0.115 R)
• M7: 2,644,741 km (0.078 R)
• M8: 3,170,727 km (0.115 R)
• M9: 4,062,181 km (0.079 R)
• M10: 6,260,970 km (0.079 R)
• M11: 8,844,825 km (0.108 R)
• M12: 11,800,729 km (0.079 R)
• M13: 12,278,395 km (0.103 R)
• M14: 13,329,021 km (0.077 R)
• M15: 14,259,220 km (0.027 R)
• M16: 24,490,219 km (0.117 R)
• M17: 26,598,202 km (0.113 R)
• M18: 33,749,130 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 379.5

Radius: 3.6

Gravity: 29.28 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 5.91 AU - 6.93 AU

Year: 10848 Days

Day: 15.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 63,396,959 km

• M1: 45,627 km (0.083 R)
• M2: 445,951 km (0.106 R)
• M3: 1,281,605 km (0.105 R)
• M4: 1,483,113 km (0.12 R)
• M5: 1,633,758 km (0.107 R)
• M6: 2,030,641 km (0.113 R)
• M7: 4,579,041 km (0.11 R)
• M8: 4,869,710 km (0.105 R)
• M9: 5,487,549 km (0.089 R)
• M10: 5,682,625 km (0.107 R)
• M11: 6,437,944 km (0.085 R)
• M12: 9,422,123 km (0.112 R)
• M13: 9,796,566 km (0.055 R)
• M14: 12,420,064 km (0.08 R)
• M15: 12,870,054 km (0.112 R)
• M16: 13,447,652 km (0.098 R)
• M17: 13,742,958 km (0.088 R)
• M18: 14,285,101 km (0.106 R)
• M19: 15,220,387 km (0.117 R)
• M20: 15,347,994 km (0.083 R)
• M21: 15,800,677 km (0.078 R)
• M22: 18,126,325 km (0.105 R)
• M23: 22,768,946 km (0.044 R)
• M24: 27,195,846 km (0.116 R)
• M25: 27,383,890 km (0.053 R)
• M26: 30,310,773 km (0.092 R)
• M27: 33,547,173 km (0.095 R)
• M28: 33,872,099 km (0.113 R)
• M29: 35,304,349 km (0.091 R)
• M30: 36,547,358 km (0.038 R)
• M31: 38,288,977 km (0.06 R)
• M32: 39,721,526 km (0.043 R)
• M33: 40,328,744 km (0.095 R)
• M34: 40,942,244 km (0.087 R)
• M35: 41,189,380 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 310.2

Radius: 3

Gravity: 34.47 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 5.73 AU - 8.45 AU

Year: 12589 Days

Day: 24.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,396,959 km

• M1: 37,399 km (0.069 R)
• M2: 138,228 km (0.096 R)
• M3: 739,911 km (0.11 R)
• M4: 929,003 km (0.086 R)
• M5: 1,138,141 km (0.09 R)
• M6: 1,495,680 km (0.099 R)
• M7: 1,663,828 km (0.085 R)
• M8: 1,907,373 km (0.097 R)
• M9: 2,105,291 km (0.049 R)
• M10: 2,620,207 km (0.066 R)
• M11: 3,124,202 km (0.112 R)
• M12: 3,815,793 km (0.101 R)
• M13: 3,970,776 km (0.108 R)
• M14: 5,051,023 km (0.106 R)
• M15: 5,301,150 km (0.107 R)
• M16: 5,826,089 km (0.108 R)
• M17: 7,328,052 km (0.06 R)
• M18: 9,865,980 km (0.11 R)
• M19: 10,657,203 km (0.093 R)
• M20: 10,810,092 km (0.053 R)
• M21: 12,086,610 km (0.079 R)
• M22: 12,991,378 km (0.078 R)
• M23: 13,579,298 km (0.09 R)
• M24: 16,175,270 km (0.117 R)
• M25: 16,309,758 km (0.111 R)
• M26: 31,819,617 km (0.05 R)
• M27: 32,136,615 km (0.077 R)
• M28: 33,208,932 km (0.086 R)
• M29: 33,644,412 km (0.068 R)
• M30: 37,618,778 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 517.2

Radius: 5.8

Gravity: 15.37 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 6.66 AU - 8.06 AU

Year: 13315 Days

Day: 24.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 63,396,959 km

• M1: 72,256 km (0.029 R)
• M2: 300,542 km (0.062 R)
• M3: 567,724 km (0.059 R)
• M4: 1,020,856 km (0.112 R)
• M5: 1,613,563 km (0.055 R)
• M6: 1,985,313 km (0.107 R)
• M7: 2,658,504 km (0.057 R)
• M8: 3,082,614 km (0.092 R)
• M9: 3,323,317 km (0.1 R)
• M10: 3,734,711 km (0.053 R)
• M11: 4,266,531 km (0.104 R)
• M12: 5,008,686 km (0.059 R)
• M13: 5,376,248 km (0.102 R)
• M14: 6,016,378 km (0.034 R)
• M15: 8,150,391 km (0.098 R)
• M16: 10,961,934 km (0.098 R)
• M17: 11,297,033 km (0.085 R)
• M18: 13,389,309 km (0.077 R)
• M19: 14,228,104 km (0.106 R)
• M20: 14,426,471 km (0.089 R)
• M21: 15,586,153 km (0.088 R)
• M22: 18,167,016 km (0.071 R)
• M23: 18,478,927 km (0.031 R)
• M24: 20,175,816 km (0.062 R)
• M25: 23,690,169 km (0.116 R)
• M26: 24,819,184 km (0.08 R)
• M27: 36,268,657 km (0.077 R)
• M28: 36,515,344 km (0.103 R)
• M29: 38,916,091 km (0.066 R)
• M30: 43,332,220 km (0.039 R)
• M31: 45,302,574 km (0.064 R)
• M32: 48,071,032 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 868.9

Radius: 8

Gravity: 13.58 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.83 AU - 9.03 AU

Year: 13506 Days

Day: 24.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 63,396,959 km

• M1: 99,483 km (0.102 R)
• M2: 561,590 km (0.092 R)
• M3: 1,149,061 km (0.071 R)
• M4: 2,021,965 km (0.088 R)
• M5: 2,312,783 km (0.083 R)
• M6: 3,028,160 km (0.087 R)
• M7: 4,526,233 km (0.112 R)
• M8: 4,992,979 km (0.106 R)
• M9: 6,463,675 km (0.092 R)
• M10: 6,969,316 km (0.115 R)
• M11: 7,276,141 km (0.117 R)
• M12: 7,637,869 km (0.12 R)
• M13: 8,348,608 km (0.106 R)
• M14: 8,644,962 km (0.117 R)
• M15: 9,206,552 km (0.106 R)
• M16: 9,683,919 km (0.085 R)
• M17: 11,515,894 km (0.099 R)
• M18: 14,823,055 km (0.086 R)
• M19: 16,692,579 km (0.106 R)
• M20: 17,886,819 km (0.089 R)
• M21: 18,214,738 km (0.031 R)
• M22: 19,914,618 km (0.118 R)
• M23: 21,440,516 km (0.076 R)
• M24: 23,626,889 km (0.079 R)
• M25: 33,863,124 km (0.084 R)
• M26: 34,617,994 km (0.06 R)
• M27: 35,641,992 km (0.075 R)
• M28: 36,292,144 km (0.09 R)
• M29: 47,016,666 km (0.027 R)
• M30: 49,388,540 km (0.111 R)
• M31: 57,869,393 km (0.086 R)
• M32: 58,587,014 km (0.07 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 254 - 17,055 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit