🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.2

Radius: 8.5

Gravity: 11.62 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.68 AU - 0.74 AU

Year: 413 Days

Day: 14.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,927,052 km

• M1: 105,766 km (0.115 R)
• M2: 476,768 km (0.03 R)
• M3: 818,450 km (0.075 R)
• M4: 1,412,952 km (0.08 R)
• M5: 1,736,682 km (0.057 R)
• M6: 2,595,673 km (0.039 R)
• M7: 3,018,735 km (0.109 R)
• M8: 3,536,494 km (0.049 R)
• M9: 4,181,560 km (0.032 R)
• M10: 4,628,708 km (0.119 R)
• M11: 4,949,446 km (0.053 R)
• M12: 5,400,334 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.6

Radius: 14

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.75 AU - 0.87 AU

Year: 503 Days

Day: 11.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,927,052 km

• M1: 174,132 km (0.118 R)
• M2: 649,105 km (0.063 R)
• M3: 1,276,519 km (0.05 R)
• M4: 1,788,443 km (0.026 R)
• M5: 2,804,511 km (0.068 R)
• M6: 3,254,202 km (0.09 R)
• M7: 4,176,623 km (0.042 R)
• M8: 5,138,986 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.4

Radius: 14

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.81 AU - 1.17 AU

Year: 680 Days

Day: 13 Hours

Environment

Temp: -170 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,927,052 km

• M1: 174,132 km (0.078 R)
• M2: 613,052 km (0.065 R)
• M3: 1,064,239 km (0.118 R)
• M4: 1,621,791 km (0.096 R)
• M5: 2,821,117 km (0.099 R)
• M6: 3,779,291 km (0.046 R)
• M7: 4,609,410 km (0.104 R)
• M8: 5,683,223 km (0.103 R)
• M9: 6,733,999 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.3

Radius: 11.7

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.95 AU - 1.55 AU

Year: 965 Days

Day: 11.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,927,052 km

• M1: 145,559 km (0.077 R)
• M2: 638,484 km (0.046 R)
• M3: 1,180,477 km (0.065 R)
• M4: 1,649,915 km (0.101 R)
• M5: 2,167,075 km (0.045 R)
• M6: 2,778,182 km (0.108 R)
• M7: 3,367,897 km (0.085 R)
• M8: 4,089,707 km (0.112 R)
• M9: 5,222,761 km (0.109 R)
• M10: 5,884,133 km (0.104 R)
• M11: 6,302,857 km (0.086 R)
• M12: 7,862,116 km (0.066 R)
• M13: 8,873,398 km (0.086 R)
• M14: 10,030,986 km (0.086 R)
• M15: 11,353,880 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.7

Radius: 8.1

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.25 AU - 1.35 AU

Year: 1023 Days

Day: 10.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,927,052 km

• M1: 106,663 km (0.106 R)
• M2: 366,515 km (0.11 R)
• M3: 657,632 km (0.055 R)
• M4: 964,607 km (0.114 R)
• M5: 1,486,404 km (0.09 R)
• M6: 2,235,890 km (0.101 R)
• M7: 2,814,684 km (0.107 R)
• M8: 3,085,456 km (0.06 R)
• M9: 3,815,194 km (0.077 R)
• M10: 5,141,529 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260

Radius: 13.1

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.19 AU - 1.99 AU

Year: 1384 Days

Day: 7.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,927,052 km

• M1: 163,361 km (0.09 R)
• M2: 720,912 km (0.112 R)
• M3: 1,140,534 km (0.115 R)
• M4: 2,036,476 km (0.061 R)
• M5: 2,845,651 km (0.089 R)
• M6: 3,278,587 km (0.034 R)
• M7: 3,814,746 km (0.103 R)
• M8: 4,247,084 km (0.11 R)
• M9: 6,026,251 km (0.083 R)
• M10: 7,336,130 km (0.058 R)
• M11: 8,696,423 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 94.2

Radius: 5

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 6.78 AU - 9.82 AU

Year: 16505 Days

Day: 22.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,927,052 km

• M1: 62,831 km (0.062 R)
• M2: 291,417 km (0.103 R)
• M3: 894,745 km (0.089 R)
• M4: 1,160,879 km (0.099 R)
• M5: 1,618,350 km (0.072 R)
• M6: 4,322,182 km (0.045 R)
• M7: 5,168,307 km (0.105 R)
• M8: 6,826,899 km (0.065 R)
• M9: 7,110,237 km (0.043 R)
• M10: 7,662,553 km (0.111 R)
• M11: 8,810,716 km (0.082 R)
• M12: 10,482,772 km (0.063 R)
• M13: 11,344,007 km (0.1 R)
• M14: 14,965,771 km (0.089 R)
• M15: 15,564,910 km (0.112 R)
• M16: 21,696,628 km (0.11 R)
• M17: 22,775,528 km (0.077 R)
• M18: 28,165,988 km (0.051 R)
• M19: 32,925,295 km (0.05 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624.9

Radius: 4.6

Gravity: 29.53 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 7.68 AU - 8.92 AU

Year: 16505 Days

Day: 16.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,927,052 km

• M1: 63,878 km (0.106 R)
• M2: 223,948 km (0.109 R)
• M3: 423,063 km (0.059 R)
• M4: 632,649 km (0.065 R)
• M5: 1,705,715 km (0.093 R)
• M6: 2,431,115 km (0.11 R)
• M7: 2,910,576 km (0.085 R)
• M8: 4,398,477 km (0.073 R)
• M9: 4,693,633 km (0.108 R)
• M10: 6,706,622 km (0.08 R)
• M11: 7,642,506 km (0.095 R)
• M12: 8,713,029 km (0.109 R)
• M13: 11,819,578 km (0.082 R)
• M14: 16,277,744 km (0.036 R)
• M15: 16,432,728 km (0.095 R)
• M16: 19,830,843 km (0.071 R)
• M17: 21,182,759 km (0.052 R)
• M18: 21,928,355 km (0.093 R)
• M19: 25,605,022 km (0.095 R)
• M20: 27,643,742 km (0.1 R)
• M21: 29,903,866 km (0.119 R)
• M22: 30,370,163 km (0.105 R)
• M23: 31,557,222 km (0.119 R)
• M24: 34,023,493 km (0.093 R)
• M25: 37,015,001 km (0.081 R)
• M26: 42,480,260 km (0.102 R)
• M27: 52,742,375 km (0.105 R)
• M28: 57,270,702 km (0.12 R)
• M29: 63,000,301 km (0.102 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 366 - 16,435 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit