🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.2

Radius: 12.8

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.96 AU - 1.4 AU

Year: 855 Days

Day: 7.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,725,931 km

• M1: 159,172 km (0.077 R)
• M2: 578,944 km (0.069 R)
• M3: 999,763 km (0.064 R)
• M4: 1,568,234 km (0.08 R)
• M5: 2,026,453 km (0.101 R)
• M6: 2,671,818 km (0.036 R)
• M7: 3,085,905 km (0.097 R)
• M8: 4,239,005 km (0.09 R)
• M9: 5,642,532 km (0.044 R)
• M10: 7,270,157 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.7

Radius: 13.3

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.29 AU - 1.83 AU

Year: 1299 Days

Day: 8.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,725,931 km

• M1: 165,455 km (0.082 R)
• M2: 661,671 km (0.071 R)
• M3: 1,454,690 km (0.112 R)
• M4: 2,207,167 km (0.062 R)
• M5: 2,718,343 km (0.111 R)
• M6: 3,382,707 km (0.058 R)
• M7: 3,818,635 km (0.112 R)
• M8: 4,327,717 km (0.086 R)
• M9: 5,483,510 km (0.098 R)
• M10: 6,022,062 km (0.034 R)
• M11: 6,763,021 km (0.079 R)
• M12: 7,180,847 km (0.111 R)
• M13: 9,325,034 km (0.119 R)
• M14: 9,750,939 km (0.111 R)
• M15: 11,073,982 km (0.086 R)
• M16: 11,586,804 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.5

Radius: 14.1

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.54 AU - 1.78 AU

Year: 1426 Days

Day: 14.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,725,931 km

• M1: 175,329 km (0.036 R)
• M2: 665,860 km (0.1 R)
• M3: 1,404,724 km (0.053 R)
• M4: 1,973,794 km (0.059 R)
• M5: 3,368,495 km (0.114 R)
• M6: 3,819,533 km (0.119 R)
• M7: 4,338,039 km (0.06 R)
• M8: 5,423,072 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.4

Radius: 14

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.99 AU - 2.99 AU

Year: 3448 Days

Day: 14.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,725,931 km

• M1: 174,132 km (0.079 R)
• M2: 670,797 km (0.099 R)
• M3: 1,309,879 km (0.081 R)
• M4: 1,825,842 km (0.064 R)
• M5: 2,433,359 km (0.115 R)
• M6: 3,283,374 km (0.078 R)
• M7: 3,871,144 km (0.1 R)
• M8: 4,528,627 km (0.111 R)
• M9: 7,798,986 km (0.068 R)
• M10: 9,450,845 km (0.057 R)
• M11: 10,940,541 km (0.112 R)
• M12: 11,587,103 km (0.111 R)
• M13: 14,948,567 km (0.053 R)
• M14: 16,072,346 km (0.119 R)
• M15: 17,194,181 km (0.085 R)
• M16: 18,128,719 km (0.115 R)
• M17: 20,743,241 km (0.028 R)
• M18: 22,551,131 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.4

Radius: 8.6

Gravity: 11.97 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.84 AU - 4.74 AU

Year: 5925 Days

Day: 6.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 37,725,931 km

• M1: 135,536 km (0.078 R)
• M2: 482,304 km (0.099 R)
• M3: 854,204 km (0.066 R)
• M4: 1,391,111 km (0.075 R)
• M5: 2,074,922 km (0.102 R)
• M6: 2,656,858 km (0.046 R)
• M7: 3,088,598 km (0.113 R)
• M8: 3,365,354 km (0.089 R)
• M9: 4,194,276 km (0.1 R)
• M10: 5,954,743 km (0.073 R)
• M11: 6,250,947 km (0.085 R)
• M12: 6,837,371 km (0.114 R)
• M13: 8,079,931 km (0.059 R)
• M14: 9,160,177 km (0.117 R)
• M15: 9,600,144 km (0.061 R)
• M16: 10,008,247 km (0.11 R)
• M17: 11,153,419 km (0.075 R)
• M18: 14,809,740 km (0.071 R)
• M19: 19,266,560 km (0.111 R)
• M20: 20,730,226 km (0.102 R)
• M21: 21,107,512 km (0.073 R)
• M22: 24,711,773 km (0.109 R)
• M23: 26,261,757 km (0.118 R)
• M24: 27,511,348 km (0.078 R)
• M25: 27,784,065 km (0.115 R)
• M26: 28,799,984 km (0.065 R)
• M27: 29,175,474 km (0.076 R)
• M28: 30,905,723 km (0.109 R)
• M29: 31,200,581 km (0.076 R)
• M30: 34,463,909 km (0.054 R)
• M31: 35,744,167 km (0.102 R)
• M32: 36,834,885 km (0.072 R)

Asteroid Belt

Center: 6.29 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 132.3

Radius: 7.9

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 6.49 AU - 10.07 AU

Year: 15888 Days

Day: 22.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,725,931 km

• M1: 101,727 km (0.03 R)
• M2: 562,039 km (0.087 R)
• M3: 1,296,864 km (0.063 R)
• M4: 2,946,180 km (0.096 R)
• M5: 3,281,728 km (0.091 R)
• M6: 4,579,490 km (0.101 R)
• M7: 4,858,340 km (0.094 R)
• M8: 5,795,870 km (0.1 R)
• M9: 7,787,018 km (0.038 R)
• M10: 8,225,789 km (0.06 R)
• M11: 8,765,687 km (0.081 R)
• M12: 9,596,853 km (0.097 R)
• M13: 11,014,742 km (0.096 R)
• M14: 12,352,147 km (0.107 R)
• M15: 13,226,995 km (0.078 R)
• M16: 13,679,678 km (0.076 R)
• M17: 16,035,994 km (0.104 R)
• M18: 21,613,302 km (0.11 R)
• M19: 27,712,108 km (0.074 R)
• M20: 29,017,948 km (0.076 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: 279 - 19,534 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit