🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.6

Radius: 11.5

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.54 AU - 0.66 AU

Year: 321 Days

Day: 9.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,437,202 km

• M1: 143,016 km (0.088 R)
• M2: 530,025 km (0.068 R)
• M3: 905,217 km (0.111 R)
• M4: 1,323,193 km (0.072 R)
• M5: 1,740,571 km (0.103 R)
• M6: 2,548,998 km (0.103 R)
• M7: 3,162,050 km (0.119 R)
• M8: 3,797,243 km (0.075 R)
• M9: 4,627,511 km (0.09 R)
• M10: 5,048,479 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176

Radius: 12.8

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.8 AU - 1.14 AU

Year: 659 Days

Day: 5.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 86,437,202 km

• M1: 162,014 km (0.119 R)
• M2: 649,554 km (0.116 R)
• M3: 1,158,037 km (0.108 R)
• M4: 2,972,210 km (0.104 R)
• M5: 3,599,325 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.9

Radius: 15

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.92 AU - 1.24 AU

Year: 775 Days

Day: 11 Hours

Environment

Temp: -189 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,437,202 km

• M1: 186,698 km (0.094 R)
• M2: 653,593 km (0.108 R)
• M3: 1,150,408 km (0.077 R)
• M4: 1,621,192 km (0.083 R)
• M5: 2,432,162 km (0.07 R)
• M6: 3,232,361 km (0.055 R)
• M7: 3,923,055 km (0.088 R)
• M8: 4,726,395 km (0.118 R)
• M9: 6,051,982 km (0.07 R)
• M10: 6,623,595 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.7

Radius: 13.9

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.01 AU - 3.65 AU

Year: 4194 Days

Day: 10.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 143.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,437,202 km

• M1: 172,935 km (0.096 R)
• M2: 626,965 km (0.11 R)
• M3: 1,078,301 km (0.072 R)
• M4: 2,491,403 km (0.093 R)
• M5: 3,081,267 km (0.044 R)
• M6: 3,558,784 km (0.063 R)
• M7: 4,174,828 km (0.113 R)
• M8: 4,836,649 km (0.094 R)
• M9: 5,378,343 km (0.062 R)
• M10: 6,492,398 km (0.082 R)
• M11: 8,246,283 km (0.05 R)
• M12: 10,507,754 km (0.066 R)
• M13: 11,873,284 km (0.105 R)
• M14: 13,255,119 km (0.083 R)
• M15: 14,425,124 km (0.098 R)
• M16: 15,008,706 km (0.099 R)
• M17: 17,146,459 km (0.092 R)
• M18: 19,867,345 km (0.087 R)
• M19: 20,790,364 km (0.104 R)
• M20: 22,088,574 km (0.09 R)
• M21: 25,685,506 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.5

Radius: 10.2

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.84 AU - 4.28 AU

Year: 4636 Days

Day: 9.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,437,202 km

• M1: 128,355 km (0.097 R)
• M2: 480,658 km (0.07 R)
• M3: 1,139,786 km (0.11 R)
• M4: 2,584,154 km (0.089 R)
• M5: 2,940,047 km (0.058 R)
• M6: 4,145,806 km (0.032 R)
• M7: 6,259,025 km (0.061 R)
• M8: 6,606,541 km (0.09 R)
• M9: 8,826,424 km (0.105 R)
• M10: 9,227,346 km (0.074 R)
• M11: 10,503,566 km (0.052 R)
• M12: 16,797,896 km (0.108 R)
• M13: 20,095,781 km (0.037 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 986.4

Radius: 7.9

Gravity: 15.81 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 6.83 AU - 9.67 AU

Year: 16357 Days

Day: 22 Hours

Environment

Temp: -223 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 86,437,202 km

• M1: 98,286 km (0.079 R)
• M2: 543,190 km (0.053 R)
• M3: 813,214 km (0.111 R)
• M4: 1,161,777 km (0.094 R)
• M5: 1,728,005 km (0.083 R)
• M6: 2,399,400 km (0.028 R)
• M7: 2,770,702 km (0.068 R)
• M8: 3,288,311 km (0.104 R)
• M9: 3,687,737 km (0.068 R)
• M10: 4,314,403 km (0.083 R)
• M11: 4,758,409 km (0.062 R)
• M12: 6,534,435 km (0.085 R)
• M13: 7,643,554 km (0.114 R)
• M14: 8,345,766 km (0.083 R)
• M15: 8,659,473 km (0.102 R)
• M16: 10,052,827 km (0.11 R)
• M17: 11,333,834 km (0.032 R)
• M18: 13,347,870 km (0.1 R)
• M19: 14,069,081 km (0.096 R)
• M20: 20,423,101 km (0.117 R)
• M21: 23,075,322 km (0.027 R)
• M22: 25,181,959 km (0.099 R)
• M23: 28,814,195 km (0.119 R)
• M24: 31,253,389 km (0.107 R)
• M25: 46,674,087 km (0.089 R)
• M26: 52,291,637 km (0.06 R)
• M27: 55,721,916 km (0.074 R)
• M28: 56,276,924 km (0.051 R)
• M29: 61,046,253 km (0.102 R)
• M30: 64,846,039 km (0.103 R)
• M31: 66,907,947 km (0.117 R)
• M32: 71,815,355 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 958.9

Radius: 5.6

Gravity: 30.58 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 8 AU - 11.16 AU

Year: 20467 Days

Day: 21.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 86,437,202 km

• M1: 69,713 km (0.107 R)
• M2: 301,589 km (0.068 R)
• M3: 581,786 km (0.096 R)
• M4: 1,535,622 km (0.102 R)
• M5: 1,732,044 km (0.086 R)
• M6: 2,006,556 km (0.108 R)
• M7: 2,424,981 km (0.11 R)
• M8: 3,494,307 km (0.099 R)
• M9: 4,587,867 km (0.082 R)
• M10: 5,153,497 km (0.086 R)
• M11: 5,764,604 km (0.082 R)
• M12: 7,477,051 km (0.117 R)
• M13: 10,736,490 km (0.115 R)
• M14: 13,444,061 km (0.066 R)
• M15: 14,517,576 km (0.11 R)
• M16: 16,488,977 km (0.057 R)
• M17: 18,818,515 km (0.075 R)
• M18: 21,358,537 km (0.026 R)
• M19: 22,498,772 km (0.115 R)
• M20: 22,710,453 km (0.082 R)
• M21: 23,137,555 km (0.117 R)
• M22: 24,562,923 km (0.028 R)
• M23: 27,226,364 km (0.118 R)
• M24: 34,926,166 km (0.119 R)
• M25: 39,192,847 km (0.054 R)
• M26: 47,342,341 km (0.107 R)
• M27: 49,990,971 km (0.081 R)
• M28: 54,051,655 km (0.116 R)
• M29: 63,452,236 km (0.114 R)
• M30: 65,153,762 km (0.085 R)
• M31: 65,583,856 km (0.106 R)
• M32: 72,724,761 km (0.096 R)
• M33: 77,200,729 km (0.043 R)
• M34: 83,365,059 km (0.115 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 16,927 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit