🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.2

Radius: 8.2

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.84 AU - 1.26 AU

Year: 730 Days

Day: 10.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,249,770 km

• M1: 102,026 km (0.075 R)
• M2: 392,844 km (0.044 R)
• M3: 848,968 km (0.115 R)
• M4: 1,121,386 km (0.064 R)
• M5: 1,510,789 km (0.108 R)
• M6: 1,979,778 km (0.091 R)
• M7: 2,397,755 km (0.072 R)
• M8: 3,158,909 km (0.1 R)
• M9: 4,511,124 km (0.027 R)
• M10: 5,202,715 km (0.087 R)
• M11: 5,574,017 km (0.106 R)
• M12: 5,944,122 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.4

Radius: 8.3

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.11 AU - 1.69 AU

Year: 1124 Days

Day: 13.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,249,770 km

• M1: 103,522 km (0.083 R)
• M2: 522,246 km (0.092 R)
• M3: 1,431,053 km (0.108 R)
• M4: 1,701,825 km (0.1 R)
• M5: 1,987,707 km (0.064 R)
• M6: 2,393,267 km (0.064 R)
• M7: 3,301,176 km (0.042 R)
• M8: 3,872,042 km (0.086 R)
• M9: 4,931,344 km (0.107 R)
• M10: 5,479,172 km (0.108 R)
• M11: 5,818,759 km (0.115 R)
• M12: 7,178,304 km (0.116 R)
• M13: 7,585,510 km (0.101 R)
• M14: 8,954,629 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742

Radius: 9.3

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.02 AU - 2.24 AU

Year: 2108 Days

Day: 11.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,249,770 km

• M1: 115,639 km (0.082 R)
• M2: 449,093 km (0.112 R)
• M3: 761,154 km (0.111 R)
• M4: 1,081,293 km (0.113 R)
• M5: 1,380,788 km (0.089 R)
• M6: 1,736,682 km (0.113 R)
• M7: 2,141,194 km (0.112 R)
• M8: 2,454,303 km (0.074 R)
• M9: 2,798,228 km (0.068 R)
• M10: 3,460,797 km (0.116 R)
• M11: 3,951,777 km (0.049 R)
• M12: 4,324,575 km (0.094 R)
• M13: 5,905,974 km (0.095 R)
• M14: 6,368,232 km (0.068 R)
• M15: 6,854,574 km (0.087 R)
• M16: 7,750,067 km (0.064 R)
• M17: 10,056,567 km (0.037 R)
• M18: 12,204,793 km (0.118 R)
• M19: 12,576,394 km (0.116 R)
• M20: 14,734,642 km (0.095 R)
• M21: 16,519,943 km (0.117 R)
• M22: 17,128,657 km (0.102 R)

Asteroid Belt

Center: 2.67 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.2

Radius: 13.7

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.61 AU - 3.81 AU

Year: 3901 Days

Day: 6.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,249,770 km

• M1: 170,392 km (0.081 R)
• M2: 621,729 km (0.079 R)
• M3: 1,319,304 km (0.117 R)
• M4: 1,863,690 km (0.1 R)
• M5: 2,752,451 km (0.097 R)
• M6: 3,210,221 km (0.048 R)
• M7: 4,536,855 km (0.105 R)
• M8: 5,129,262 km (0.081 R)
• M9: 5,579,851 km (0.053 R)
• M10: 7,029,454 km (0.096 R)
• M11: 7,722,541 km (0.059 R)
• M12: 8,460,807 km (0.091 R)
• M13: 9,054,561 km (0.099 R)
• M14: 9,997,327 km (0.044 R)
• M15: 13,269,630 km (0.08 R)
• M16: 16,053,048 km (0.087 R)
• M17: 16,964,847 km (0.053 R)
• M18: 17,611,409 km (0.075 R)
• M19: 18,519,618 km (0.12 R)
• M20: 23,033,285 km (0.118 R)
• M21: 24,787,470 km (0.087 R)
• M22: 25,391,546 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.9

Radius: 10

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.12 AU - 3.52 AU

Year: 4103 Days

Day: 12.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,249,770 km

• M1: 125,213 km (0.114 R)
• M2: 691,441 km (0.11 R)
• M3: 1,344,885 km (0.114 R)
• M4: 2,014,036 km (0.116 R)
• M5: 2,438,744 km (0.12 R)
• M6: 3,348,300 km (0.073 R)
• M7: 4,660,722 km (0.057 R)
• M8: 4,991,483 km (0.103 R)
• M9: 6,831,686 km (0.045 R)
• M10: 7,495,302 km (0.068 R)
• M11: 7,827,559 km (0.03 R)
• M12: 8,489,230 km (0.069 R)
• M13: 8,917,379 km (0.028 R)
• M14: 10,623,992 km (0.064 R)
• M15: 11,277,585 km (0.1 R)
• M16: 13,050,769 km (0.074 R)
• M17: 13,621,634 km (0.112 R)
• M18: 14,625,585 km (0.104 R)
• M19: 15,337,821 km (0.079 R)
• M20: 17,037,851 km (0.06 R)
• M21: 17,455,528 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.4

Radius: 12.1

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.93 AU - 4.19 AU

Year: 4556 Days

Day: 14.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,249,770 km

• M1: 152,440 km (0.112 R)
• M2: 731,683 km (0.089 R)
• M3: 1,244,953 km (0.025 R)
• M4: 1,883,886 km (0.102 R)
• M5: 2,280,320 km (0.108 R)
• M6: 3,205,434 km (0.085 R)
• M7: 4,005,333 km (0.118 R)
• M8: 4,415,531 km (0.119 R)
• M9: 5,097,398 km (0.04 R)
• M10: 6,605,644 km (0.049 R)
• M11: 7,008,361 km (0.115 R)
• M12: 7,974,763 km (0.106 R)
• M13: 9,357,197 km (0.113 R)
• M14: 11,505,123 km (0.055 R)
• M15: 12,139,418 km (0.116 R)
• M16: 14,798,820 km (0.072 R)
• M17: 15,844,808 km (0.093 R)
• M18: 16,507,826 km (0.043 R)
• M19: 17,315,206 km (0.031 R)
• M20: 19,414,812 km (0.116 R)
• M21: 24,113,980 km (0.07 R)
• M22: 25,234,618 km (0.061 R)
• M23: 26,725,959 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754

Radius: 14.9

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.22 AU - 5.56 AU

Year: 7334 Days

Day: 6 Hours

Environment

Temp: -222 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,249,770 km

• M1: 185,950 km (0.079 R)
• M2: 692,040 km (0.086 R)
• M3: 1,224,309 km (0.047 R)
• M4: 2,298,122 km (0.097 R)
• M5: 4,956,776 km (0.068 R)
• M6: 6,183,778 km (0.111 R)
• M7: 6,960,639 km (0.116 R)
• M8: 9,873,011 km (0.113 R)
• M9: 11,547,310 km (0.105 R)
• M10: 14,045,594 km (0.103 R)
• M11: 18,618,951 km (0.084 R)
• M12: 23,762,425 km (0.059 R)
• M13: 25,402,766 km (0.091 R)
• M14: 26,205,657 km (0.111 R)
• M15: 26,841,748 km (0.12 R)
• M16: 31,484,817 km (0.073 R)
• M17: 38,942,121 km (0.033 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 298 - 15,532 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit