🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.2

Radius: 13.8

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.65 AU - 0.67 AU

Year: 377 Days

Day: 6.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,907,621 km

• M1: 171,589 km (0.104 R)
• M2: 638,783 km (0.103 R)
• M3: 1,141,432 km (0.114 R)
• M4: 1,643,033 km (0.1 R)
• M5: 2,236,189 km (0.047 R)
• M6: 3,030,404 km (0.12 R)
• M7: 3,505,377 km (0.088 R)
• M8: 4,018,049 km (0.065 R)
• M9: 4,661,470 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.4

Radius: 9.7

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.98 AU - 1.3 AU

Year: 856 Days

Day: 10.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,907,621 km

• M1: 120,576 km (0.081 R)
• M2: 444,455 km (0.046 R)
• M3: 808,876 km (0.116 R)
• M4: 1,420,581 km (0.04 R)
• M5: 1,847,384 km (0.107 R)
• M6: 2,327,294 km (0.065 R)
• M7: 2,653,866 km (0.111 R)
• M8: 3,400,958 km (0.092 R)
• M9: 3,765,528 km (0.11 R)
• M10: 4,094,494 km (0.12 R)
• M11: 4,590,710 km (0.112 R)
• M12: 5,198,676 km (0.109 R)
• M13: 5,859,449 km (0.048 R)
• M14: 6,302,708 km (0.116 R)
• M15: 7,188,776 km (0.09 R)
• M16: 8,106,559 km (0.095 R)
• M17: 8,632,096 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.7

Radius: 12.3

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.03 AU - 1.47 AU

Year: 982 Days

Day: 10 Hours

Environment

Temp: -184 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,907,621 km

• M1: 153,039 km (0.035 R)
• M2: 584,479 km (0.115 R)
• M3: 1,115,103 km (0.05 R)
• M4: 1,680,882 km (0.079 R)
• M5: 2,083,749 km (0.066 R)
• M6: 2,497,536 km (0.07 R)
• M7: 2,906,537 km (0.049 R)
• M8: 3,440,452 km (0.113 R)
• M9: 4,476,716 km (0.077 R)
• M10: 5,884,432 km (0.104 R)
• M11: 6,448,416 km (0.082 R)
• M12: 7,026,313 km (0.063 R)
• M13: 7,453,415 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.5

Radius: 11.9

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.96 AU - 3.26 AU

Year: 2964 Days

Day: 5.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 29,907,621 km

• M1: 148,102 km (0.108 R)
• M2: 567,874 km (0.047 R)
• M3: 1,281,755 km (0.065 R)
• M4: 1,669,213 km (0.081 R)
• M5: 2,231,701 km (0.037 R)
• M6: 2,658,953 km (0.042 R)
• M7: 3,158,759 km (0.084 R)
• M8: 4,437,671 km (0.107 R)
• M9: 5,551,727 km (0.074 R)
• M10: 6,146,528 km (0.097 R)
• M11: 7,592,690 km (0.104 R)
• M12: 8,605,019 km (0.084 R)
• M13: 9,897,395 km (0.093 R)
• M14: 10,897,008 km (0.084 R)
• M15: 11,442,741 km (0.063 R)
• M16: 12,634,587 km (0.101 R)
• M17: 13,426,409 km (0.085 R)
• M18: 14,955,299 km (0.118 R)
• M19: 16,707,090 km (0.09 R)
• M20: 17,490,085 km (0.106 R)
• M21: 18,769,895 km (0.057 R)
• M22: 19,371,877 km (0.12 R)
• M23: 19,800,924 km (0.039 R)
• M24: 21,255,314 km (0.046 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.2

Radius: 11.6

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.45 AU - 4.05 AU

Year: 4118 Days

Day: 11.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 29,907,621 km

• M1: 146,606 km (0.073 R)
• M2: 672,742 km (0.111 R)
• M3: 1,200,224 km (0.032 R)
• M4: 1,693,897 km (0.089 R)
• M5: 2,579,666 km (0.03 R)
• M6: 3,973,768 km (0.094 R)
• M7: 5,194,936 km (0.062 R)
• M8: 6,087,586 km (0.109 R)
• M9: 7,956,064 km (0.102 R)
• M10: 8,363,867 km (0.089 R)
• M11: 10,266,453 km (0.077 R)
• M12: 10,930,219 km (0.035 R)
• M13: 13,043,438 km (0.027 R)
• M14: 14,142,534 km (0.091 R)
• M15: 14,687,070 km (0.041 R)
• M16: 15,359,064 km (0.049 R)
• M17: 15,818,329 km (0.081 R)
• M18: 17,685,311 km (0.116 R)
• M19: 22,214,685 km (0.102 R)
• M20: 24,863,615 km (0.114 R)
• M21: 25,417,576 km (0.065 R)
• M22: 25,979,765 km (0.059 R)
• M23: 28,569,753 km (0.068 R)
• M24: 29,440,861 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 121.5

Radius: 5

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 5.69 AU - 7.35 AU

Year: 11703 Days

Day: 19.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 29,907,621 km

• M1: 62,233 km (0.079 R)
• M2: 439,668 km (0.089 R)
• M3: 717,322 km (0.089 R)
• M4: 934,239 km (0.082 R)
• M5: 1,408,763 km (0.115 R)
• M6: 1,818,961 km (0.032 R)
• M7: 2,892,026 km (0.04 R)
• M8: 3,445,987 km (0.114 R)
• M9: 3,770,465 km (0.089 R)
• M10: 4,606,866 km (0.107 R)
• M11: 5,359,942 km (0.109 R)
• M12: 6,836,473 km (0.085 R)
• M13: 7,004,472 km (0.105 R)
• M14: 8,220,702 km (0.065 R)
• M15: 8,918,576 km (0.101 R)
• M16: 9,529,534 km (0.118 R)
• M17: 9,824,092 km (0.086 R)
• M18: 11,155,513 km (0.032 R)
• M19: 11,577,379 km (0.05 R)
• M20: 12,205,391 km (0.079 R)
• M21: 14,833,078 km (0.093 R)
• M22: 17,004,341 km (0.049 R)
• M23: 20,819,835 km (0.11 R)
• M24: 21,102,276 km (0.108 R)
• M25: 22,627,127 km (0.085 R)
• M26: 23,683,437 km (0.059 R)
• M27: 25,489,682 km (0.058 R)
• M28: 28,584,563 km (0.03 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: 541 - 17,869 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit