🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.4

Radius: 10.4

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.45 AU - 0.57 AU

Year: 247 Days

Day: 8.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,219,254 km

• M1: 129,402 km (0.081 R)
• M2: 464,801 km (0.086 R)
• M3: 859,290 km (0.119 R)
• M4: 1,677,890 km (0.083 R)
• M5: 2,264,164 km (0.113 R)
• M6: 2,712,359 km (0.104 R)
• M7: 3,118,966 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.8

Radius: 12.2

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.51 AU - 0.53 AU

Year: 254 Days

Day: 11.6 Hours

Environment

Temp: -133 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,219,254 km

• M1: 151,692 km (0.102 R)
• M2: 609,163 km (0.109 R)
• M3: 1,020,257 km (0.072 R)
• M4: 1,408,015 km (0.091 R)
• M5: 2,728,516 km (0.074 R)
• M6: 3,529,313 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.9

Radius: 13.9

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.94 AU - 1.4 AU

Year: 858 Days

Day: 5.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,219,254 km

• M1: 172,935 km (0.092 R)
• M2: 625,170 km (0.108 R)
• M3: 1,121,236 km (0.08 R)
• M4: 1,570,478 km (0.107 R)
• M5: 2,356,914 km (0.087 R)
• M6: 3,272,603 km (0.096 R)
• M7: 4,596,843 km (0.11 R)
• M8: 5,068,077 km (0.06 R)
• M9: 8,662,913 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.2

Radius: 8.3

Gravity: 12.47 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.26 AU - 2.04 AU

Year: 1438 Days

Day: 12.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,219,254 km

• M1: 103,223 km (0.063 R)
• M2: 712,235 km (0.054 R)
• M3: 1,080,845 km (0.069 R)
• M4: 1,386,473 km (0.118 R)
• M5: 1,800,859 km (0.088 R)
• M6: 2,129,376 km (0.083 R)
• M7: 2,616,317 km (0.077 R)
• M8: 2,879,310 km (0.092 R)
• M9: 3,175,514 km (0.103 R)
• M10: 3,952,825 km (0.12 R)
• M11: 4,338,637 km (0.071 R)
• M12: 4,851,160 km (0.083 R)
• M13: 5,381,335 km (0.077 R)
• M14: 5,649,264 km (0.092 R)
• M15: 6,407,875 km (0.081 R)
• M16: 6,709,165 km (0.114 R)
• M17: 7,754,705 km (0.083 R)
• M18: 8,301,784 km (0.067 R)
• M19: 10,199,134 km (0.119 R)
• M20: 11,393,972 km (0.117 R)
• M21: 13,975,433 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.1

Radius: 13.5

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.95 AU - 3.07 AU

Year: 3542 Days

Day: 8.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,219,254 km

• M1: 167,998 km (0.113 R)
• M2: 621,430 km (0.04 R)
• M3: 1,159,084 km (0.073 R)
• M4: 1,855,612 km (0.049 R)
• M5: 2,375,165 km (0.108 R)
• M6: 3,027,113 km (0.072 R)
• M7: 4,138,775 km (0.113 R)
• M8: 5,037,409 km (0.106 R)
• M9: 5,669,610 km (0.112 R)
• M10: 6,324,549 km (0.086 R)
• M11: 6,809,545 km (0.091 R)
• M12: 12,366,658 km (0.101 R)
• M13: 13,421,323 km (0.118 R)
• M14: 13,920,082 km (0.105 R)
• M15: 15,654,819 km (0.032 R)
• M16: 16,716,664 km (0.086 R)
• M17: 17,945,611 km (0.084 R)
• M18: 20,847,062 km (0.06 R)
• M19: 23,541,170 km (0.047 R)
• M20: 24,710,875 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 595.2

Radius: 4.5

Gravity: 29.39 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 5.37 AU - 6.31 AU

Year: 9572 Days

Day: 24.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 107.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,219,254 km

• M1: 60,587 km (0.116 R)
• M2: 258,954 km (0.1 R)
• M3: 449,542 km (0.077 R)
• M4: 602,879 km (0.114 R)
• M5: 782,995 km (0.098 R)
• M6: 1,416,542 km (0.096 R)
• M7: 1,565,093 km (0.061 R)
• M8: 1,709,156 km (0.091 R)
• M9: 2,160,792 km (0.068 R)
• M10: 2,548,699 km (0.059 R)
• M11: 2,749,160 km (0.105 R)
• M12: 2,895,616 km (0.107 R)
• M13: 3,608,301 km (0.098 R)
• M14: 5,976,285 km (0.101 R)
• M15: 7,003,873 km (0.12 R)
• M16: 7,437,857 km (0.099 R)
• M17: 9,881,388 km (0.103 R)
• M18: 12,410,340 km (0.091 R)
• M19: 17,387,461 km (0.043 R)
• M20: 17,601,685 km (0.101 R)
• M21: 21,437,225 km (0.111 R)
• M22: 21,683,613 km (0.059 R)
• M23: 21,931,796 km (0.036 R)
• M24: 23,723,081 km (0.087 R)
• M25: 24,163,646 km (0.111 R)
• M26: 26,073,114 km (0.097 R)
• M27: 27,208,262 km (0.115 R)
• M28: 29,273,311 km (0.07 R)
• M29: 29,576,696 km (0.057 R)
• M30: 30,189,449 km (0.099 R)
• M31: 30,602,788 km (0.04 R)
• M32: 31,546,451 km (0.093 R)
• M33: 32,834,489 km (0.091 R)
• M34: 33,712,479 km (0.12 R)
• M35: 34,718,674 km (0.069 R)
• M36: 38,944,365 km (0.094 R)
• M37: 41,053,844 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 55.3

Radius: 5.4

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.61 AU - 6.63 AU

Year: 10269 Days

Day: 22.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,219,254 km

• M1: 68,366 km (0.077 R)
• M2: 513,869 km (0.062 R)
• M3: 1,692,102 km (0.101 R)
• M4: 1,869,824 km (0.087 R)
• M5: 2,113,070 km (0.054 R)
• M6: 2,921,497 km (0.06 R)
• M7: 3,091,290 km (0.097 R)
• M8: 3,267,666 km (0.109 R)
• M9: 3,583,318 km (0.055 R)
• M10: 4,472,378 km (0.071 R)
• M11: 4,980,113 km (0.056 R)
• M12: 5,680,979 km (0.1 R)
• M13: 6,705,276 km (0.079 R)
• M14: 7,123,103 km (0.039 R)
• M15: 7,782,231 km (0.106 R)
• M16: 8,969,888 km (0.093 R)
• M17: 13,389,608 km (0.118 R)
• M18: 13,765,398 km (0.071 R)
• M19: 14,341,948 km (0.12 R)
• M20: 15,035,035 km (0.119 R)
• M21: 16,864,766 km (0.085 R)
• M22: 17,692,641 km (0.11 R)
• M23: 19,668,679 km (0.087 R)
• M24: 20,834,645 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 622.2

Radius: 4.9

Gravity: 25.91 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.85 AU - 9.75 AU

Year: 14775 Days

Day: 25 Hours

Environment

Temp: -229 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,219,254 km

• M1: 61,036 km (0.081 R)
• M2: 513,869 km (0.114 R)
• M3: 882,179 km (0.056 R)
• M4: 1,751,043 km (0.047 R)
• M5: 4,423,160 km (0.118 R)
• M6: 4,581,884 km (0.059 R)
• M7: 4,978,617 km (0.085 R)
• M8: 5,433,993 km (0.114 R)
• M9: 6,306,747 km (0.04 R)
• M10: 6,467,565 km (0.065 R)
• M11: 7,138,511 km (0.116 R)
• M12: 8,666,953 km (0.09 R)
• M13: 9,017,161 km (0.117 R)
• M14: 10,682,335 km (0.063 R)
• M15: 16,658,321 km (0.109 R)
• M16: 17,752,331 km (0.116 R)
• M17: 18,976,639 km (0.038 R)
• M18: 20,256,300 km (0.032 R)
• M19: 21,866,422 km (0.108 R)
• M20: 22,796,771 km (0.051 R)
• M21: 22,986,012 km (0.117 R)
• M22: 24,537,492 km (0.089 R)
• M23: 27,418,298 km (0.114 R)
• M24: 27,632,372 km (0.09 R)
• M25: 31,913,265 km (0.108 R)
• M26: 32,747,273 km (0.115 R)
• M27: 38,458,621 km (0.115 R)
• M28: 40,778,285 km (0.117 R)
• M29: 42,327,820 km (0.04 R)
• M30: 42,613,851 km (0.053 R)
• M31: 44,947,578 km (0.111 R)
• M32: 49,709,278 km (0.08 R)
• M33: 50,507,383 km (0.088 R)
• M34: 56,163,080 km (0.102 R)
• M35: 56,335,566 km (0.059 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: 508 - 10,647 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit