🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.3

Radius: 8.2

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.54 AU - 0.78 AU

Year: 358 Days

Day: 5.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,124,971 km

• M1: 105,167 km (0.073 R)
• M2: 395,238 km (0.084 R)
• M3: 702,212 km (0.083 R)
• M4: 970,292 km (0.061 R)
• M5: 1,233,734 km (0.075 R)
• M6: 1,557,015 km (0.063 R)
• M7: 1,831,527 km (0.08 R)
• M8: 2,338,963 km (0.086 R)
• M9: 2,804,810 km (0.114 R)
• M10: 3,083,212 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.4

Radius: 10.6

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.5 AU - 2.18 AU

Year: 1664 Days

Day: 7.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,124,971 km

• M1: 131,796 km (0.082 R)
• M2: 538,852 km (0.108 R)
• M3: 984,354 km (0.109 R)
• M4: 1,761,365 km (0.102 R)
• M5: 2,283,761 km (0.12 R)
• M6: 2,844,454 km (0.058 R)
• M7: 3,180,451 km (0.061 R)
• M8: 4,310,663 km (0.091 R)
• M9: 5,707,159 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502

Radius: 9.6

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.75 AU - 2.21 AU

Year: 1858 Days

Day: 14.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,124,971 km

• M1: 119,379 km (0.073 R)
• M2: 435,629 km (0.105 R)
• M3: 972,685 km (0.098 R)
• M4: 1,275,771 km (0.09 R)
• M5: 3,224,283 km (0.118 R)
• M6: 3,986,334 km (0.087 R)
• M7: 4,506,187 km (0.099 R)
• M8: 5,981,671 km (0.045 R)
• M9: 7,156,014 km (0.107 R)
• M10: 7,981,944 km (0.114 R)
• M11: 11,855,930 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.5

Radius: 10.2

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.64 AU - 3.18 AU

Year: 3310 Days

Day: 13.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,124,971 km

• M1: 127,457 km (0.11 R)
• M2: 597,643 km (0.113 R)
• M3: 1,271,582 km (0.064 R)
• M4: 1,609,673 km (0.076 R)
• M5: 1,997,431 km (0.113 R)
• M6: 3,586,160 km (0.105 R)
• M7: 5,026,189 km (0.116 R)
• M8: 5,635,202 km (0.099 R)
• M9: 8,756,412 km (0.089 R)
• M10: 11,360,163 km (0.086 R)
• M11: 12,720,307 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.6

Radius: 9.5

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.26 AU - 4.5 AU

Year: 6113 Days

Day: 5.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,124,971 km

• M1: 119,678 km (0.12 R)
• M2: 569,669 km (0.066 R)
• M3: 1,561,951 km (0.111 R)
• M4: 2,177,846 km (0.092 R)
• M5: 3,343,812 km (0.104 R)
• M6: 4,243,643 km (0.07 R)
• M7: 4,594,151 km (0.074 R)
• M8: 5,793,926 km (0.077 R)
• M9: 8,760,302 km (0.099 R)
• M10: 16,412,083 km (0.114 R)
• M11: 16,966,044 km (0.093 R)
• M12: 20,414,574 km (0.119 R)
• M13: 28,046,758 km (0.076 R)
• M14: 29,285,279 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 416.8

Radius: 7.5

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 8.19 AU - 8.99 AU

Year: 16789 Days

Day: 20 Hours

Environment

Temp: -234 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,124,971 km

• M1: 93,798 km (0.058 R)
• M2: 345,870 km (0.047 R)
• M3: 720,015 km (0.108 R)
• M4: 1,364,183 km (0.089 R)
• M5: 1,833,023 km (0.028 R)
• M6: 8,334,845 km (0.038 R)
• M7: 18,343,990 km (0.085 R)
• M8: 22,745,309 km (0.117 R)
• M9: 23,305,403 km (0.085 R)
• M10: 26,551,228 km (0.08 R)
• M11: 30,535,319 km (0.026 R)
• M12: 31,908,478 km (0.047 R)
• M13: 43,687,665 km (0.036 R)
• M14: 45,871,943 km (0.063 R)
• M15: 54,006,776 km (0.077 R)
• M16: 56,520,469 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 365.2

Radius: 7.7

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 8.14 AU - 11.3 AU

Year: 20208 Days

Day: 19.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 62,124,971 km

• M1: 96,790 km (0.082 R)
• M2: 389,852 km (0.047 R)
• M3: 712,235 km (0.043 R)
• M4: 1,007,990 km (0.114 R)
• M5: 1,371,812 km (0.117 R)
• M6: 1,997,880 km (0.12 R)
• M7: 2,365,741 km (0.116 R)
• M8: 4,246,934 km (0.08 R)
• M9: 4,626,015 km (0.082 R)
• M10: 5,900,290 km (0.088 R)
• M11: 9,863,137 km (0.104 R)
• M12: 12,835,198 km (0.074 R)
• M13: 13,763,752 km (0.06 R)
• M14: 14,244,560 km (0.11 R)
• M15: 18,091,469 km (0.102 R)
• M16: 18,919,493 km (0.116 R)
• M17: 20,033,100 km (0.096 R)
• M18: 20,829,409 km (0.078 R)
• M19: 25,435,827 km (0.06 R)
• M20: 26,474,186 km (0.118 R)
• M21: 28,194,112 km (0.075 R)
• M22: 30,216,376 km (0.091 R)
• M23: 33,551,362 km (0.09 R)
• M24: 39,275,126 km (0.108 R)
• M25: 43,677,193 km (0.077 R)
• M26: 47,458,279 km (0.082 R)
• M27: 51,945,766 km (0.091 R)
• M28: 57,059,021 km (0.114 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: 319 - 20,314 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit