🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.1

Radius: 11

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.61 AU - 0.73 AU

Year: 385 Days

Day: 9.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,905,940 km

• M1: 136,882 km (0.062 R)
• M2: 479,910 km (0.089 R)
• M3: 858,243 km (0.111 R)
• M4: 1,273,826 km (0.097 R)
• M5: 1,666,071 km (0.08 R)
• M6: 2,039,169 km (0.117 R)
• M7: 2,575,477 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.3

Radius: 12.1

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.87 AU - 1.25 AU

Year: 767 Days

Day: 12.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,905,940 km

• M1: 150,645 km (0.088 R)
• M2: 540,348 km (0.063 R)
• M3: 1,266,346 km (0.047 R)
• M4: 1,740,422 km (0.083 R)
• M5: 2,247,708 km (0.114 R)
• M6: 2,890,231 km (0.119 R)
• M7: 3,637,622 km (0.059 R)
• M8: 4,408,200 km (0.057 R)
• M9: 4,805,981 km (0.099 R)
• M10: 5,694,443 km (0.068 R)
• M11: 6,210,107 km (0.095 R)
• M12: 6,801,766 km (0.082 R)
• M13: 7,193,414 km (0.104 R)
• M14: 8,381,370 km (0.095 R)
• M15: 9,724,759 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.1

Radius: 14.8

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.23 AU - 1.31 AU

Year: 1006 Days

Day: 5.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,905,940 km

• M1: 184,005 km (0.033 R)
• M2: 689,197 km (0.082 R)
• M3: 1,241,812 km (0.11 R)
• M4: 1,759,121 km (0.107 R)
• M5: 2,898,010 km (0.106 R)
• M6: 3,769,717 km (0.074 R)
• M7: 4,328,016 km (0.07 R)
• M8: 5,055,510 km (0.099 R)
• M9: 5,571,473 km (0.064 R)
• M10: 6,366,437 km (0.114 R)
• M11: 7,534,796 km (0.028 R)
• M12: 9,068,922 km (0.1 R)
• M13: 10,834,925 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.3

Radius: 13.7

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.14 AU - 1.5 AU

Year: 1066 Days

Day: 14.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,905,940 km

• M1: 173,085 km (0.114 R)
• M2: 679,025 km (0.105 R)
• M3: 1,183,918 km (0.103 R)
• M4: 1,916,050 km (0.104 R)
• M5: 2,398,353 km (0.086 R)
• M6: 2,858,067 km (0.09 R)
• M7: 4,089,407 km (0.051 R)
• M8: 4,624,669 km (0.116 R)
• M9: 6,160,291 km (0.088 R)
• M10: 8,198,861 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.8

Radius: 9.5

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.3 AU - 1.84 AU

Year: 1383 Days

Day: 7.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,905,940 km

• M1: 118,182 km (0.097 R)
• M2: 902,674 km (0.043 R)
• M3: 1,268,291 km (0.102 R)
• M4: 1,797,418 km (0.043 R)
• M5: 2,913,718 km (0.083 R)
• M6: 4,581,285 km (0.061 R)
• M7: 5,955,342 km (0.082 R)
• M8: 8,207,687 km (0.116 R)
• M9: 8,863,225 km (0.047 R)
• M10: 9,465,207 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.6

Radius: 8.7

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.91 AU - 3.45 AU

Year: 3986 Days

Day: 6.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,905,940 km

• M1: 108,159 km (0.067 R)
• M2: 411,693 km (0.084 R)
• M3: 780,302 km (0.119 R)
• M4: 1,285,644 km (0.117 R)
• M5: 1,624,932 km (0.091 R)
• M6: 2,239,779 km (0.105 R)
• M7: 3,838,981 km (0.105 R)
• M8: 4,624,369 km (0.047 R)
• M9: 5,513,130 km (0.094 R)
• M10: 6,086,689 km (0.113 R)
• M11: 7,152,274 km (0.097 R)
• M12: 7,488,271 km (0.079 R)
• M13: 8,011,864 km (0.066 R)
• M14: 8,448,091 km (0.055 R)
• M15: 9,054,411 km (0.104 R)
• M16: 9,328,624 km (0.108 R)
• M17: 11,819,578 km (0.094 R)
• M18: 13,068,272 km (0.103 R)
• M19: 14,296,919 km (0.11 R)
• M20: 18,758,227 km (0.099 R)
• M21: 23,036,576 km (0.112 R)
• M22: 25,362,673 km (0.081 R)
• M23: 26,066,382 km (0.119 R)
• M24: 26,622,587 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 677

Radius: 5.1

Gravity: 26.03 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 9.37 AU - 9.79 AU

Year: 20843 Days

Day: 23.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 77,905,940 km

• M1: 63,429 km (0.114 R)
• M2: 459,565 km (0.052 R)
• M3: 815,608 km (0.102 R)
• M4: 1,086,679 km (0.111 R)
• M5: 1,612,665 km (0.069 R)
• M6: 1,981,573 km (0.082 R)
• M7: 2,144,186 km (0.12 R)
• M8: 2,382,496 km (0.107 R)
• M9: 3,942,801 km (0.096 R)
• M10: 4,267,728 km (0.061 R)
• M11: 4,752,425 km (0.096 R)
• M12: 5,272,876 km (0.028 R)
• M13: 6,785,161 km (0.053 R)
• M14: 7,493,058 km (0.038 R)
• M15: 9,221,512 km (0.092 R)
• M16: 9,735,530 km (0.077 R)
• M17: 10,450,159 km (0.104 R)
• M18: 10,695,949 km (0.098 R)
• M19: 13,156,235 km (0.078 R)
• M20: 14,177,989 km (0.044 R)
• M21: 14,708,163 km (0.038 R)
• M22: 16,543,430 km (0.061 R)
• M23: 17,819,201 km (0.118 R)
• M24: 21,048,720 km (0.115 R)
• M25: 22,138,989 km (0.115 R)
• M26: 22,955,344 km (0.11 R)
• M27: 24,974,018 km (0.086 R)
• M28: 27,806,504 km (0.119 R)
• M29: 35,324,844 km (0.072 R)
• M30: 42,048,072 km (0.089 R)
• M31: 42,358,188 km (0.088 R)
• M32: 44,572,835 km (0.072 R)
• M33: 45,545,072 km (0.111 R)
• M34: 48,376,361 km (0.097 R)
• M35: 53,473,460 km (0.099 R)
• M36: 54,386,904 km (0.092 R)
• M37: 57,761,683 km (0.106 R)
• M38: 58,530,167 km (0.1 R)
• M39: 59,110,906 km (0.088 R)
• M40: 72,434,691 km (0.092 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 530 - 20,080 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit