🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.3

Radius: 8.2

Gravity: 11.69 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.74 AU - 0.78 AU

Year: 435 Days

Day: 11.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,864,868 km

• M1: 102,026 km (0.093 R)
• M2: 361,428 km (0.107 R)
• M3: 621,729 km (0.119 R)
• M4: 990,039 km (0.098 R)
• M5: 1,286,392 km (0.062 R)
• M6: 1,627,774 km (0.12 R)
• M7: 1,987,109 km (0.032 R)
• M8: 2,495,442 km (0.092 R)
• M9: 2,931,520 km (0.066 R)
• M10: 3,916,023 km (0.09 R)
• M11: 4,360,479 km (0.119 R)
• M12: 4,640,077 km (0.113 R)
• M13: 4,978,767 km (0.097 R)
• M14: 5,350,368 km (0.088 R)
• M15: 5,898,195 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.2

Radius: 9.1

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.73 AU - 2.09 AU

Year: 1732 Days

Day: 5.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 66,864,868 km

• M1: 113,246 km (0.113 R)
• M2: 520,601 km (0.086 R)
• M3: 1,045,689 km (0.109 R)
• M4: 1,720,376 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249

Radius: 12.1

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.54 AU - 5.8 AU

Year: 6620 Days

Day: 12.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,864,868 km

• M1: 173,384 km (0.12 R)
• M2: 736,022 km (0.07 R)
• M3: 1,139,188 km (0.119 R)
• M4: 1,568,085 km (0.067 R)
• M5: 2,262,369 km (0.112 R)
• M6: 2,989,713 km (0.067 R)
• M7: 3,517,345 km (0.059 R)
• M8: 4,591,009 km (0.096 R)
• M9: 5,243,405 km (0.065 R)
• M10: 5,985,710 km (0.111 R)
• M11: 7,082,861 km (0.083 R)
• M12: 7,679,607 km (0.108 R)
• M13: 8,936,079 km (0.115 R)
• M14: 10,241,919 km (0.093 R)
• M15: 13,180,470 km (0.116 R)
• M16: 14,447,115 km (0.118 R)
• M17: 15,137,061 km (0.083 R)
• M18: 15,517,638 km (0.06 R)
• M19: 16,697,666 km (0.084 R)
• M20: 18,179,582 km (0.036 R)
• M21: 18,796,224 km (0.112 R)
• M22: 19,236,192 km (0.071 R)
• M23: 20,531,261 km (0.088 R)
• M24: 21,745,696 km (0.118 R)
• M25: 23,875,222 km (0.066 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 463.8

Radius: 7.5

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 5.36 AU - 7.08 AU

Year: 10176 Days

Day: 23.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 66,864,868 km

• M1: 98,585 km (0.09 R)
• M2: 448,794 km (0.093 R)
• M3: 718,070 km (0.05 R)
• M4: 1,217,727 km (0.118 R)
• M5: 1,719,478 km (0.08 R)
• M6: 2,142,541 km (0.052 R)
• M7: 2,711,910 km (0.06 R)
• M8: 3,000,335 km (0.12 R)
• M9: 3,401,407 km (0.104 R)
• M10: 5,092,162 km (0.086 R)
• M11: 5,533,027 km (0.118 R)
• M12: 5,863,339 km (0.12 R)
• M13: 6,527,105 km (0.104 R)
• M14: 7,357,223 km (0.067 R)
• M15: 7,595,383 km (0.099 R)
• M16: 9,043,640 km (0.084 R)
• M17: 9,549,281 km (0.04 R)
• M18: 10,417,248 km (0.07 R)
• M19: 10,667,375 km (0.109 R)
• M20: 11,389,185 km (0.047 R)
• M21: 14,419,140 km (0.083 R)
• M22: 18,598,755 km (0.084 R)
• M23: 19,567,252 km (0.086 R)
• M24: 21,042,736 km (0.047 R)
• M25: 21,362,576 km (0.054 R)
• M26: 22,674,400 km (0.03 R)
• M27: 23,693,012 km (0.065 R)
• M28: 24,213,612 km (0.077 R)
• M29: 25,098,035 km (0.108 R)
• M30: 27,498,482 km (0.095 R)
• M31: 28,266,817 km (0.104 R)
• M32: 30,351,613 km (0.088 R)
• M33: 36,869,742 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 783

Radius: 6.1

Gravity: 21.04 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 6.3 AU - 9.64 AU

Year: 14760 Days

Day: 20.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,864,868 km

• M1: 75,996 km (0.12 R)
• M2: 322,234 km (0.093 R)
• M3: 1,917,097 km (0.106 R)
• M4: 2,344,947 km (0.106 R)
• M5: 2,930,473 km (0.075 R)
• M6: 3,925,448 km (0.12 R)
• M7: 7,030,801 km (0.076 R)
• M8: 10,931,864 km (0.056 R)
• M9: 11,350,888 km (0.089 R)
• M10: 11,780,533 km (0.102 R)
• M11: 12,607,211 km (0.062 R)
• M12: 19,681,545 km (0.052 R)
• M13: 21,394,590 km (0.081 R)
• M14: 23,106,887 km (0.109 R)
• M15: 27,783,466 km (0.118 R)
• M16: 32,193,462 km (0.075 R)
• M17: 43,401,933 km (0.067 R)
• M18: 45,825,119 km (0.092 R)
• M19: 58,392,986 km (0.091 R)
• M20: 61,529,604 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 729

Radius: 7.5

Gravity: 12.96 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 7.64 AU - 9.16 AU

Year: 15971 Days

Day: 20.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,864,868 km

• M1: 102,624 km (0.089 R)
• M2: 1,466,807 km (0.054 R)
• M3: 1,969,157 km (0.042 R)
• M4: 2,694,557 km (0.115 R)
• M5: 3,699,555 km (0.049 R)
• M6: 4,115,288 km (0.066 R)
• M7: 5,514,028 km (0.059 R)
• M8: 7,617,075 km (0.087 R)
• M9: 8,339,932 km (0.076 R)
• M10: 9,645,323 km (0.1 R)
• M11: 10,842,704 km (0.114 R)
• M12: 11,263,074 km (0.093 R)
• M13: 16,083,865 km (0.066 R)
• M14: 18,430,458 km (0.114 R)
• M15: 19,115,915 km (0.039 R)
• M16: 20,446,738 km (0.055 R)
• M17: 21,933,142 km (0.1 R)
• M18: 23,291,640 km (0.099 R)
• M19: 24,808,563 km (0.099 R)
• M20: 28,944,046 km (0.113 R)
• M21: 31,536,727 km (0.098 R)
• M22: 60,845,643 km (0.094 R)
• M23: 65,868,242 km (0.08 R)
• M24: 66,664,701 km (0.095 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 17,724 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit