🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.7

Radius: 8.3

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.58 AU - 0.7 AU

Year: 341 Days

Day: 13.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,312,731 km

• M1: 103,223 km (0.09 R)
• M2: 388,805 km (0.047 R)
• M3: 658,679 km (0.107 R)
• M4: 1,163,572 km (0.063 R)
• M5: 1,439,431 km (0.057 R)
• M6: 1,698,385 km (0.044 R)
• M7: 2,049,341 km (0.054 R)
• M8: 3,117,919 km (0.117 R)
• M9: 3,424,445 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.7

Radius: 10.7

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.64 AU - 0.9 AU

Year: 451 Days

Day: 12.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,312,731 km

• M1: 133,890 km (0.095 R)
• M2: 534,064 km (0.118 R)
• M3: 1,008,290 km (0.115 R)
• M4: 1,518,568 km (0.091 R)
• M5: 2,469,711 km (0.083 R)
• M6: 3,065,410 km (0.113 R)
• M7: 3,432,523 km (0.093 R)
• M8: 3,829,107 km (0.087 R)
• M9: 4,215,967 km (0.076 R)
• M10: 5,393,452 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.4

Radius: 11.4

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.24 AU - 1.46 AU

Year: 1046 Days

Day: 11.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 142 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,312,731 km

• M1: 142,268 km (0.109 R)
• M2: 940,671 km (0.073 R)
• M3: 1,354,010 km (0.065 R)
• M4: 1,756,728 km (0.108 R)
• M5: 2,398,203 km (0.062 R)
• M6: 2,769,057 km (0.07 R)
• M7: 5,406,168 km (0.113 R)
• M8: 5,960,428 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.2

Radius: 9.8

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.13 AU - 2.23 AU

Year: 2146 Days

Day: 13.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,312,731 km

• M1: 121,922 km (0.071 R)
• M2: 506,838 km (0.104 R)
• M3: 825,481 km (0.048 R)
• M4: 1,192,893 km (0.108 R)
• M5: 1,568,982 km (0.059 R)
• M6: 2,083,898 km (0.111 R)
• M7: 2,428,721 km (0.094 R)
• M8: 3,251,360 km (0.106 R)
• M9: 4,073,400 km (0.091 R)
• M10: 4,410,145 km (0.118 R)
• M11: 5,072,714 km (0.062 R)
• M12: 6,099,704 km (0.119 R)
• M13: 6,757,485 km (0.12 R)
• M14: 7,174,415 km (0.078 R)
• M15: 7,520,285 km (0.047 R)
• M16: 7,877,225 km (0.119 R)
• M17: 9,626,025 km (0.025 R)
• M18: 10,083,046 km (0.089 R)
• M19: 12,138,072 km (0.077 R)
• M20: 14,457,886 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256

Radius: 11.2

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.11 AU - 2.85 AU

Year: 2604 Days

Day: 13.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,312,731 km

• M1: 139,425 km (0.088 R)
• M2: 523,293 km (0.074 R)
• M3: 892,202 km (0.094 R)
• M4: 1,487,452 km (0.106 R)
• M5: 2,522,669 km (0.118 R)
• M6: 3,478,001 km (0.099 R)
• M7: 4,679,421 km (0.081 R)
• M8: 5,540,507 km (0.111 R)
• M9: 6,405,332 km (0.099 R)
• M10: 7,039,029 km (0.115 R)
• M11: 7,439,053 km (0.076 R)
• M12: 8,372,843 km (0.068 R)
• M13: 9,351,363 km (0.092 R)
• M14: 9,737,475 km (0.117 R)
• M15: 10,679,792 km (0.03 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.8

Radius: 9.2

Gravity: 10.32 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.32 AU - 3.46 AU

Year: 3276 Days

Day: 5.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,312,731 km

• M1: 114,442 km (0.099 R)
• M2: 546,631 km (0.069 R)
• M3: 1,320,052 km (0.048 R)
• M4: 1,641,537 km (0.073 R)
• M5: 2,166,626 km (0.076 R)
• M6: 2,523,716 km (0.067 R)
• M7: 2,937,205 km (0.103 R)
• M8: 3,816,990 km (0.071 R)
• M9: 4,139,223 km (0.102 R)
• M10: 5,890,416 km (0.061 R)
• M11: 7,983,889 km (0.101 R)
• M12: 11,561,073 km (0.098 R)
• M13: 11,874,032 km (0.063 R)
• M14: 12,705,048 km (0.109 R)
• M15: 14,226,159 km (0.103 R)
• M16: 18,041,204 km (0.102 R)
• M17: 20,409,189 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 493.8

Radius: 3.1

Gravity: 51.38 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 7.43 AU - 11.25 AU

Year: 19035 Days

Day: 22.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,312,731 km

• M1: 44,131 km (0.114 R)
• M2: 167,400 km (0.112 R)
• M3: 368,460 km (0.097 R)
• M4: 520,301 km (0.12 R)
• M5: 676,033 km (0.089 R)
• M6: 894,745 km (0.091 R)
• M7: 1,020,706 km (0.05 R)
• M8: 1,486,853 km (0.073 R)
• M9: 2,586,098 km (0.105 R)
• M10: 2,965,179 km (0.102 R)
• M11: 4,166,600 km (0.119 R)
• M12: 5,174,890 km (0.068 R)
• M13: 6,090,578 km (0.049 R)
• M14: 6,460,085 km (0.072 R)
• M15: 6,714,700 km (0.111 R)
• M16: 8,088,906 km (0.057 R)
• M17: 9,422,272 km (0.051 R)
• M18: 9,639,788 km (0.114 R)
• M19: 11,014,891 km (0.118 R)
• M20: 12,844,174 km (0.051 R)
• M21: 15,160,996 km (0.114 R)
• M22: 17,090,958 km (0.066 R)
• M23: 20,782,585 km (0.078 R)
• M24: 25,703,158 km (0.117 R)
• M25: 26,020,904 km (0.036 R)
• M26: 27,870,981 km (0.078 R)
• M27: 31,708,765 km (0.093 R)
• M28: 32,074,232 km (0.026 R)
• M29: 40,840,967 km (0.089 R)
• M30: 46,078,837 km (0.105 R)
• M31: 47,019,359 km (0.096 R)
• M32: 49,263,925 km (0.098 R)
• M33: 52,933,411 km (0.072 R)
• M34: 60,250,393 km (0.086 R)
• M35: 64,635,854 km (0.031 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 535.3

Radius: 4.7

Gravity: 24.23 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 9.33 AU - 10.59 AU

Year: 20961 Days

Day: 19.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 72,312,731 km

• M1: 58,792 km (0.058 R)
• M2: 252,521 km (0.075 R)
• M3: 479,910 km (0.057 R)
• M4: 690,095 km (0.114 R)
• M5: 1,147,266 km (0.118 R)
• M6: 1,328,429 km (0.055 R)
• M7: 2,149,123 km (0.106 R)
• M8: 2,470,758 km (0.057 R)
• M9: 2,823,809 km (0.092 R)
• M10: 3,571,948 km (0.075 R)
• M11: 4,377,533 km (0.082 R)
• M12: 4,858,340 km (0.101 R)
• M13: 5,605,133 km (0.049 R)
• M14: 9,199,072 km (0.1 R)
• M15: 11,819,429 km (0.075 R)
• M16: 13,369,113 km (0.083 R)
• M17: 13,866,526 km (0.071 R)
• M18: 18,734,291 km (0.112 R)
• M19: 21,306,926 km (0.105 R)
• M20: 21,985,053 km (0.045 R)
• M21: 24,209,872 km (0.057 R)
• M22: 25,054,651 km (0.092 R)
• M23: 25,484,446 km (0.069 R)
• M24: 30,055,559 km (0.09 R)
• M25: 32,153,370 km (0.103 R)
• M26: 33,561,684 km (0.048 R)
• M27: 36,500,534 km (0.03 R)
• M28: 39,897,154 km (0.109 R)
• M29: 42,275,012 km (0.105 R)
• M30: 52,032,683 km (0.116 R)
• M31: 57,989,371 km (0.105 R)
• M32: 58,740,950 km (0.087 R)
• M33: 64,585,590 km (0.037 R)
• M34: 69,742,677 km (0.119 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 441 - 20,087 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit