🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.5

Radius: 11.1

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.48 AU - 0.54 AU

Year: 256 Days

Day: 6 Hours

Environment

Temp: -135 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,665,950 km

• M1: 138,079 km (0.108 R)
• M2: 502,499 km (0.104 R)
• M3: 903,571 km (0.107 R)
• M4: 1,290,431 km (0.048 R)
• M5: 1,659,788 km (0.054 R)
• M6: 2,012,391 km (0.106 R)
• M7: 2,524,614 km (0.119 R)
• M8: 3,112,832 km (0.074 R)
• M9: 3,847,208 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.2

Radius: 11.5

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.58 AU - 0.62 AU

Year: 327 Days

Day: 9 Hours

Environment

Temp: -147 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,665,950 km

• M1: 146,307 km (0.034 R)
• M2: 572,511 km (0.076 R)
• M3: 972,087 km (0.103 R)
• M4: 1,361,640 km (0.111 R)
• M5: 1,915,152 km (0.077 R)
• M6: 2,364,544 km (0.087 R)
• M7: 2,722,232 km (0.071 R)
• M8: 3,162,499 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.4

Radius: 11.2

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.14 AU - 1.3 AU

Year: 947 Days

Day: 6.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,665,950 km

• M1: 139,425 km (0.112 R)
• M2: 555,008 km (0.097 R)
• M3: 1,164,919 km (0.067 R)
• M4: 1,554,172 km (0.101 R)
• M5: 1,917,246 km (0.089 R)
• M6: 2,273,888 km (0.111 R)
• M7: 2,734,649 km (0.115 R)
• M8: 3,243,880 km (0.065 R)
• M9: 4,403,563 km (0.08 R)
• M10: 4,905,763 km (0.061 R)
• M11: 5,388,216 km (0.088 R)
• M12: 6,914,563 km (0.071 R)
• M13: 7,963,693 km (0.088 R)
• M14: 8,318,988 km (0.089 R)
• M15: 8,737,862 km (0.096 R)
• M16: 9,253,675 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.7

Radius: 13.9

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.25 AU - 1.69 AU

Year: 1253 Days

Day: 9.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,665,950 km

• M1: 172,935 km (0.08 R)
• M2: 1,127,669 km (0.114 R)
• M3: 1,647,970 km (0.061 R)
• M4: 2,137,305 km (0.092 R)
• M5: 2,924,938 km (0.076 R)
• M6: 3,357,275 km (0.088 R)
• M7: 4,687,799 km (0.097 R)
• M8: 5,326,283 km (0.066 R)
• M9: 7,811,103 km (0.053 R)
• M10: 8,537,251 km (0.06 R)
• M11: 8,976,321 km (0.063 R)
• M12: 9,804,944 km (0.11 R)
• M13: 11,614,928 km (0.091 R)
• M14: 12,749,927 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.5

Radius: 14

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.62 AU - 1.84 AU

Year: 1599 Days

Day: 9 Hours

Environment

Temp: -189 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,665,950 km

• M1: 174,581 km (0.11 R)
• M2: 615,296 km (0.109 R)
• M3: 1,064,688 km (0.097 R)
• M4: 1,746,705 km (0.107 R)
• M5: 2,227,512 km (0.073 R)
• M6: 2,685,581 km (0.098 R)
• M7: 3,179,703 km (0.075 R)
• M8: 4,528,178 km (0.052 R)
• M9: 5,098,595 km (0.095 R)
• M10: 6,362,397 km (0.09 R)
• M11: 6,984,575 km (0.08 R)
• M12: 8,297,745 km (0.032 R)
• M13: 8,872,650 km (0.08 R)
• M14: 10,071,826 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653

Radius: 13.5

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.89 AU - 2.63 AU

Year: 2388 Days

Day: 5.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,665,950 km

• M1: 167,849 km (0.07 R)
• M2: 648,806 km (0.113 R)
• M3: 1,194,539 km (0.058 R)
• M4: 1,679,685 km (0.034 R)
• M5: 2,741,531 km (0.076 R)
• M6: 3,327,356 km (0.055 R)
• M7: 4,151,939 km (0.064 R)
• M8: 5,725,559 km (0.091 R)
• M9: 6,338,761 km (0.034 R)
• M10: 6,939,097 km (0.095 R)
• M11: 7,458,202 km (0.1 R)
• M12: 8,254,063 km (0.082 R)
• M13: 9,310,373 km (0.035 R)
• M14: 9,800,007 km (0.073 R)
• M15: 10,717,341 km (0.102 R)
• M16: 11,255,594 km (0.098 R)
• M17: 12,220,500 km (0.052 R)
• M18: 12,936,625 km (0.099 R)
• M19: 13,995,330 km (0.097 R)
• M20: 14,732,548 km (0.061 R)
• M21: 15,158,603 km (0.081 R)
• M22: 17,152,742 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.8

Radius: 11.8

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.42 AU - 3.22 AU

Year: 3329 Days

Day: 14.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,665,950 km

• M1: 146,756 km (0.1 R)
• M2: 633,248 km (0.115 R)
• M3: 1,444,218 km (0.037 R)
• M4: 1,899,743 km (0.108 R)
• M5: 2,765,765 km (0.085 R)
• M6: 3,441,649 km (0.102 R)
• M7: 4,038,694 km (0.117 R)
• M8: 4,416,428 km (0.102 R)
• M9: 6,589,188 km (0.116 R)
• M10: 7,115,174 km (0.049 R)
• M11: 8,086,962 km (0.066 R)
• M12: 8,794,111 km (0.119 R)
• M13: 11,410,877 km (0.111 R)
• M14: 12,257,451 km (0.111 R)
• M15: 17,131,051 km (0.09 R)
• M16: 18,929,217 km (0.059 R)
• M17: 19,754,249 km (0.061 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.9

Radius: 14.4

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.33 AU - 6.17 AU

Year: 8456 Days

Day: 14.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,665,950 km

• M1: 183,557 km (0.034 R)
• M2: 871,258 km (0.076 R)
• M3: 1,944,922 km (0.04 R)
• M4: 4,790,722 km (0.064 R)
• M5: 5,344,683 km (0.071 R)
• M6: 6,974,253 km (0.059 R)
• M7: 7,884,257 km (0.084 R)
• M8: 8,872,051 km (0.115 R)
• M9: 9,485,403 km (0.059 R)
• M10: 10,268,248 km (0.077 R)
• M11: 13,267,237 km (0.12 R)
• M12: 16,742,694 km (0.089 R)
• M13: 17,818,154 km (0.092 R)
• M14: 18,583,945 km (0.087 R)
• M15: 21,555,108 km (0.106 R)
• M16: 25,435,528 km (0.114 R)
• M17: 26,675,993 km (0.077 R)
• M18: 30,344,282 km (0.042 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 10,451 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit