🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.5

Radius: 14

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.04 AU - 1.12 AU

Year: 714 Days

Day: 6.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 25,748,162 km

• M1: 174,132 km (0.078 R)
• M2: 623,823 km (0.1 R)
• M3: 1,081,443 km (0.114 R)
• M4: 1,810,284 km (0.094 R)
• M5: 2,252,794 km (0.093 R)
• M6: 2,768,458 km (0.119 R)
• M7: 3,627,150 km (0.093 R)
• M8: 4,119,776 km (0.091 R)
• M9: 4,606,418 km (0.076 R)
• M10: 5,696,388 km (0.118 R)
• M11: 6,386,782 km (0.09 R)
• M12: 7,479,594 km (0.092 R)
• M13: 8,258,251 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.9

Radius: 9.1

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.36 AU - 1.62 AU

Year: 1156 Days

Day: 6.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,748,162 km

• M1: 128,056 km (0.113 R)
• M2: 411,095 km (0.11 R)
• M3: 1,463,067 km (0.055 R)
• M4: 2,166,626 km (0.116 R)
• M5: 2,846,399 km (0.102 R)
• M6: 3,340,969 km (0.06 R)
• M7: 4,264,287 km (0.045 R)
• M8: 5,585,835 km (0.085 R)
• M9: 7,353,783 km (0.105 R)
• M10: 8,904,215 km (0.09 R)
• M11: 9,210,442 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.2

Radius: 10.3

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.37 AU - 1.97 AU

Year: 1372 Days

Day: 6.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,748,162 km

• M1: 128,205 km (0.078 R)
• M2: 509,231 km (0.047 R)
• M3: 872,604 km (0.045 R)
• M4: 1,232,537 km (0.095 R)
• M5: 2,008,800 km (0.069 R)
• M6: 2,939,000 km (0.103 R)
• M7: 3,925,897 km (0.108 R)
• M8: 4,539,248 km (0.075 R)
• M9: 5,045,039 km (0.103 R)
• M10: 7,332,240 km (0.057 R)
• M11: 8,935,630 km (0.039 R)
• M12: 9,356,300 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.4

Radius: 13.9

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.22 AU - 2.8 AU

Year: 2528 Days

Day: 13.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 25,748,162 km

• M1: 172,935 km (0.048 R)
• M2: 690,095 km (0.087 R)
• M3: 1,524,851 km (0.117 R)
• M4: 2,302,162 km (0.095 R)
• M5: 3,524,227 km (0.09 R)
• M6: 3,990,822 km (0.097 R)
• M7: 4,735,820 km (0.073 R)
• M8: 5,474,384 km (0.056 R)
• M9: 6,288,795 km (0.038 R)
• M10: 6,725,471 km (0.04 R)
• M11: 7,906,995 km (0.117 R)
• M12: 8,449,437 km (0.088 R)
• M13: 9,502,606 km (0.062 R)
• M14: 9,969,651 km (0.103 R)
• M15: 10,527,501 km (0.119 R)
• M16: 12,159,614 km (0.114 R)
• M17: 15,622,206 km (0.109 R)
• M18: 16,736,262 km (0.078 R)
• M19: 17,740,363 km (0.038 R)
• M20: 18,395,003 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.6

Radius: 13.2

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.21 AU - 3.71 AU

Year: 4092 Days

Day: 10 Hours

Environment

Temp: -206 °C

Axial Tilt: 134.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 25,748,162 km

• M1: 164,109 km (0.094 R)
• M2: 773,122 km (0.054 R)
• M3: 1,211,294 km (0.045 R)
• M4: 1,751,641 km (0.106 R)
• M5: 2,199,388 km (0.119 R)
• M6: 2,771,450 km (0.106 R)
• M7: 3,554,296 km (0.073 R)
• M8: 4,197,267 km (0.118 R)
• M9: 4,752,575 km (0.089 R)
• M10: 6,176,447 km (0.086 R)
• M11: 6,778,280 km (0.116 R)
• M12: 7,387,442 km (0.107 R)
• M13: 8,369,702 km (0.107 R)
• M14: 8,821,637 km (0.04 R)
• M15: 10,835,673 km (0.044 R)
• M16: 11,972,168 km (0.075 R)
• M17: 13,799,805 km (0.098 R)
• M18: 14,881,099 km (0.111 R)
• M19: 18,348,029 km (0.066 R)
• M20: 20,455,714 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.3

Radius: 8.9

Gravity: 10.09 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.04 AU - 4.2 AU

Year: 5317 Days

Day: 9.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 25,748,162 km

• M1: 110,702 km (0.08 R)
• M2: 399,277 km (0.041 R)
• M3: 899,233 km (0.066 R)
• M4: 1,297,014 km (0.095 R)
• M5: 1,865,336 km (0.078 R)
• M6: 2,556,328 km (0.12 R)
• M7: 3,559,681 km (0.103 R)
• M8: 5,632,659 km (0.059 R)
• M9: 8,886,114 km (0.099 R)
• M10: 10,767,157 km (0.048 R)
• M11: 11,239,886 km (0.107 R)
• M12: 11,825,562 km (0.087 R)
• M13: 12,637,879 km (0.08 R)
• M14: 16,948,242 km (0.117 R)
• M15: 24,254,901 km (0.07 R)
• M16: 26,405,969 km (0.031 R)
• M17: 28,322,916 km (0.04 R)
• M18: 29,133,288 km (0.069 R)
• M19: 30,051,519 km (0.07 R)
• M20: 30,424,317 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 497.1

Radius: 6

Gravity: 13.81 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 5.65 AU - 7.07 AU

Year: 10198 Days

Day: 16.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 25,748,162 km

• M1: 74,799 km (0.099 R)
• M2: 412,741 km (0.108 R)
• M3: 618,587 km (0.084 R)
• M4: 1,250,937 km (0.049 R)
• M5: 1,570,179 km (0.098 R)
• M6: 1,958,535 km (0.103 R)
• M7: 2,158,548 km (0.086 R)
• M8: 2,427,674 km (0.076 R)
• M9: 2,619,459 km (0.108 R)
• M10: 3,372,086 km (0.099 R)
• M11: 4,018,199 km (0.031 R)
• M12: 5,358,745 km (0.115 R)
• M13: 5,921,981 km (0.042 R)
• M14: 6,414,906 km (0.098 R)
• M15: 7,205,082 km (0.117 R)
• M16: 7,482,287 km (0.066 R)
• M17: 7,807,812 km (0.059 R)
• M18: 9,205,505 km (0.117 R)
• M19: 9,484,954 km (0.061 R)
• M20: 9,914,898 km (0.083 R)
• M21: 10,407,673 km (0.079 R)
• M22: 11,710,821 km (0.116 R)
• M23: 12,429,788 km (0.102 R)
• M24: 19,809,600 km (0.084 R)
• M25: 22,213,788 km (0.1 R)
• M26: 22,801,558 km (0.118 R)
• M27: 23,920,550 km (0.058 R)
• M28: 24,360,517 km (0.106 R)
• M29: 25,075,595 km (0.071 R)
• M30: 28,076,379 km (0.095 R)
• M31: 30,684,318 km (0.086 R)
• M32: 31,940,641 km (0.117 R)
• M33: 32,797,089 km (0.082 R)
• M34: 33,230,923 km (0.084 R)
• M35: 36,607,945 km (0.106 R)
• M36: 41,204,789 km (0.032 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 40.3

Radius: 7.1

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 7.46 AU - 9.88 AU

Year: 16232 Days

Day: 17.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 25,748,162 km

• M1: 91,255 km (0.106 R)
• M2: 322,533 km (0.045 R)
• M3: 1,792,930 km (0.098 R)
• M4: 3,125,698 km (0.095 R)
• M5: 8,852,005 km (0.114 R)
• M6: 11,043,913 km (0.054 R)
• M7: 14,601,799 km (0.108 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: 145 - 10,579 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit