🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.47 AU - 0.78 AU

Year: 315 Days

Day: 34.2 Hours

Environment

Temp: -124 °C

Axial Tilt: 13 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34

Radius: 8.2

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.56 AU - 0.86 AU

Year: 386 Days

Day: 6.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 65,369,555 km

• M1: 102,026 km (0.098 R)
• M2: 369,058 km (0.107 R)
• M3: 636,539 km (0.059 R)
• M4: 1,008,888 km (0.116 R)
• M5: 1,462,768 km (0.091 R)
• M6: 1,911,562 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.6

Radius: 12

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.61 AU - 0.91 AU

Year: 428 Days

Day: 13.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,369,555 km

• M1: 150,346 km (0.089 R)
• M2: 575,653 km (0.09 R)
• M3: 1,022,352 km (0.077 R)
• M4: 1,444,068 km (0.112 R)
• M5: 1,884,784 km (0.116 R)
• M6: 2,329,837 km (0.082 R)
• M7: 2,823,510 km (0.068 R)
• M8: 3,313,892 km (0.096 R)
• M9: 4,135,184 km (0.118 R)
• M10: 4,511,722 km (0.064 R)
• M11: 5,152,599 km (0.083 R)
• M12: 5,641,934 km (0.082 R)
• M13: 6,348,934 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.3

Radius: 8.7

Gravity: 13 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.99 AU - 1.29 AU

Year: 786 Days

Day: 14.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,369,555 km

• M1: 108,159 km (0.096 R)
• M2: 445,203 km (0.097 R)
• M3: 769,980 km (0.089 R)
• M4: 1,166,863 km (0.104 R)
• M5: 1,594,564 km (0.108 R)
• M6: 1,993,840 km (0.09 R)
• M7: 2,369,331 km (0.115 R)
• M8: 3,181,049 km (0.076 R)
• M9: 4,315,899 km (0.058 R)
• M10: 4,784,290 km (0.064 R)
• M11: 5,228,745 km (0.097 R)
• M12: 5,781,958 km (0.053 R)
• M13: 6,094,019 km (0.114 R)
• M14: 6,729,361 km (0.105 R)
• M15: 7,702,046 km (0.051 R)
• M16: 7,978,354 km (0.079 R)
• M17: 9,431,996 km (0.098 R)
• M18: 9,806,888 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.1

Radius: 9.3

Gravity: 11.47 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.91 AU - 2.61 AU

Year: 2194 Days

Day: 7.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,369,555 km

• M1: 116,537 km (0.055 R)
• M2: 407,654 km (0.12 R)
• M3: 807,679 km (0.061 R)
• M4: 2,164,681 km (0.036 R)
• M5: 4,351,503 km (0.051 R)
• M6: 5,089,619 km (0.092 R)
• M7: 5,651,658 km (0.07 R)
• M8: 6,363,744 km (0.103 R)
• M9: 6,842,008 km (0.117 R)
• M10: 8,521,843 km (0.112 R)
• M11: 8,895,239 km (0.049 R)
• M12: 9,529,534 km (0.115 R)
• M13: 10,231,746 km (0.085 R)
• M14: 10,537,375 km (0.111 R)
• M15: 12,545,577 km (0.11 R)
• M16: 13,893,902 km (0.098 R)
• M17: 15,187,774 km (0.087 R)
• M18: 16,403,706 km (0.084 R)
• M19: 17,411,547 km (0.055 R)
• M20: 18,460,078 km (0.064 R)
• M21: 19,667,333 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.8

Radius: 11.2

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.53 AU - 4.33 AU

Year: 5030 Days

Day: 9.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,369,555 km

• M1: 140,173 km (0.087 R)
• M2: 609,761 km (0.089 R)
• M3: 960,269 km (0.077 R)
• M4: 1,452,147 km (0.077 R)
• M5: 2,271,644 km (0.094 R)
• M6: 2,901,152 km (0.086 R)
• M7: 3,436,712 km (0.047 R)
• M8: 4,315,899 km (0.101 R)
• M9: 6,643,193 km (0.102 R)
• M10: 7,577,282 km (0.043 R)
• M11: 8,749,830 km (0.03 R)
• M12: 9,500,961 km (0.069 R)
• M13: 10,862,750 km (0.096 R)
• M14: 12,061,777 km (0.104 R)
• M15: 12,693,379 km (0.092 R)
• M16: 13,500,909 km (0.046 R)
• M17: 14,396,102 km (0.03 R)
• M18: 16,836,792 km (0.092 R)
• M19: 17,502,951 km (0.093 R)
• M20: 18,888,078 km (0.041 R)
• M21: 19,873,628 km (0.086 R)
• M22: 20,549,362 km (0.113 R)
• M23: 21,240,354 km (0.116 R)
• M24: 24,697,561 km (0.104 R)
• M25: 26,600,147 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.5

Radius: 10

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.93 AU - 4.53 AU

Year: 5617 Days

Day: 10.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,369,555 km

• M1: 124,465 km (0.096 R)
• M2: 530,474 km (0.036 R)
• M3: 880,982 km (0.114 R)
• M4: 1,413,401 km (0.042 R)
• M5: 1,761,066 km (0.05 R)
• M6: 2,166,028 km (0.088 R)
• M7: 3,268,863 km (0.111 R)
• M8: 3,932,629 km (0.099 R)
• M9: 4,322,182 km (0.095 R)
• M10: 4,657,431 km (0.111 R)
• M11: 5,617,849 km (0.039 R)
• M12: 6,209,359 km (0.091 R)
• M13: 6,773,193 km (0.115 R)
• M14: 7,298,880 km (0.063 R)
• M15: 8,431,635 km (0.09 R)
• M16: 8,875,193 km (0.086 R)
• M17: 16,396,076 km (0.109 R)
• M18: 18,128,868 km (0.086 R)
• M19: 19,419,300 km (0.113 R)
• M20: 21,579,942 km (0.097 R)
• M21: 22,564,296 km (0.065 R)
• M22: 24,217,053 km (0.084 R)
• M23: 26,630,216 km (0.102 R)
• M24: 30,122,279 km (0.118 R)
• M25: 31,255,334 km (0.039 R)
• M26: 33,007,873 km (0.078 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.4

Radius: 8

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.8 AU - 5.38 AU

Year: 6349 Days

Day: 8.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,369,555 km

• M1: 99,483 km (0.1 R)
• M2: 373,995 km (0.098 R)
• M3: 658,380 km (0.083 R)
• M4: 1,150,557 km (0.05 R)
• M5: 1,653,655 km (0.088 R)
• M6: 1,927,269 km (0.105 R)
• M7: 2,480,333 km (0.059 R)
• M8: 3,320,774 km (0.045 R)
• M9: 3,692,075 km (0.082 R)
• M10: 4,042,583 km (0.117 R)
• M11: 5,918,092 km (0.101 R)
• M12: 6,531,892 km (0.112 R)
• M13: 7,810,206 km (0.12 R)
• M14: 9,417,485 km (0.098 R)
• M15: 11,623,306 km (0.029 R)
• M16: 12,429,489 km (0.055 R)
• M17: 12,741,101 km (0.082 R)
• M18: 14,040,508 km (0.08 R)
• M19: 14,492,593 km (0.073 R)
• M20: 16,090,448 km (0.039 R)
• M21: 17,027,080 km (0.099 R)
• M22: 20,556,543 km (0.094 R)
• M23: 21,287,179 km (0.071 R)
• M24: 21,959,322 km (0.038 R)
• M25: 23,980,688 km (0.041 R)
• M26: 26,123,079 km (0.114 R)
• M27: 26,463,564 km (0.116 R)
• M28: 26,979,976 km (0.068 R)
• M29: 30,784,549 km (0.094 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.4

Radius: 10.5

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 5.22 AU - 5.28 AU

Year: 7767 Days

Day: 9.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,369,555 km

• M1: 130,599 km (0.118 R)
• M2: 497,114 km (0.119 R)
• M3: 1,195,437 km (0.105 R)
• M4: 2,719,839 km (0.112 R)
• M5: 3,117,171 km (0.09 R)
• M6: 3,454,963 km (0.119 R)
• M7: 4,227,337 km (0.102 R)
• M8: 4,690,791 km (0.055 R)
• M9: 5,610,519 km (0.057 R)
• M10: 5,999,174 km (0.082 R)
• M11: 6,376,011 km (0.025 R)
• M12: 6,830,639 km (0.083 R)
• M13: 8,254,960 km (0.063 R)
• M14: 9,947,810 km (0.04 R)
• M15: 11,415,963 km (0.105 R)
• M16: 11,770,959 km (0.103 R)
• M17: 18,442,725 km (0.076 R)
• M18: 22,813,226 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 511.5

Radius: 7.7

Gravity: 8.63 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 7.43 AU - 11.25 AU

Year: 18430 Days

Day: 19.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,369,555 km

• M1: 95,743 km (0.082 R)
• M2: 495,767 km (0.101 R)
• M3: 1,140,385 km (0.068 R)
• M4: 1,720,824 km (0.111 R)
• M5: 2,040,365 km (0.066 R)
• M6: 2,420,194 km (0.116 R)
• M7: 2,683,935 km (0.041 R)
• M8: 4,273,263 km (0.114 R)
• M9: 4,897,236 km (0.03 R)
• M10: 5,141,978 km (0.119 R)
• M11: 5,431,599 km (0.115 R)
• M12: 6,244,365 km (0.083 R)
• M13: 8,157,422 km (0.092 R)
• M14: 8,856,643 km (0.049 R)
• M15: 11,254,547 km (0.086 R)
• M16: 12,311,755 km (0.077 R)
• M17: 13,707,204 km (0.092 R)
• M18: 14,124,582 km (0.039 R)
• M19: 14,407,472 km (0.068 R)
• M20: 15,279,029 km (0.081 R)
• M21: 18,438,386 km (0.085 R)
• M22: 19,032,888 km (0.113 R)
• M23: 26,869,274 km (0.081 R)
• M24: 29,204,197 km (0.112 R)
• M25: 32,769,563 km (0.093 R)
• M26: 36,085,699 km (0.1 R)
• M27: 37,015,151 km (0.06 R)
• M28: 37,553,553 km (0.086 R)
• M29: 43,375,903 km (0.111 R)
• M30: 56,769,849 km (0.097 R)
• M31: 57,126,939 km (0.072 R)
• M32: 60,781,764 km (0.104 R)
• M33: 62,096,879 km (0.092 R)
• M34: 64,589,329 km (0.084 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 14,781 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit