🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493

Radius: 12.2

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.16 AU - 1.24 AU

Year: 892 Days

Day: 11.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,932,177 km

• M1: 151,991 km (0.062 R)
• M2: 599,439 km (0.11 R)
• M3: 1,071,420 km (0.09 R)
• M4: 1,881,193 km (0.071 R)
• M5: 2,764,718 km (0.099 R)
• M6: 4,056,496 km (0.079 R)
• M7: 4,544,783 km (0.117 R)
• M8: 5,359,942 km (0.094 R)
• M9: 6,249,900 km (0.056 R)
• M10: 6,645,287 km (0.048 R)
• M11: 7,191,020 km (0.097 R)
• M12: 8,572,856 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.4

Radius: 15

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.08 AU - 1.56 AU

Year: 1029 Days

Day: 5.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,932,177 km

• M1: 186,549 km (0.067 R)
• M2: 701,614 km (0.079 R)
• M3: 1,345,633 km (0.066 R)
• M4: 2,248,905 km (0.117 R)
• M5: 3,146,791 km (0.058 R)
• M6: 4,090,455 km (0.12 R)
• M7: 4,567,373 km (0.115 R)
• M8: 6,494,193 km (0.025 R)
• M9: 8,102,969 km (0.042 R)
• M10: 8,694,479 km (0.092 R)
• M11: 9,343,584 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.6

Radius: 9.7

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.32 AU - 3.28 AU

Year: 3178 Days

Day: 12.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,932,177 km

• M1: 123,568 km (0.066 R)
• M2: 510,129 km (0.063 R)
• M3: 828,623 km (0.076 R)
• M4: 1,324,540 km (0.046 R)
• M5: 1,723,068 km (0.102 R)
• M6: 2,145,233 km (0.058 R)
• M7: 2,510,252 km (0.084 R)
• M8: 3,462,443 km (0.12 R)
• M9: 4,118,280 km (0.087 R)
• M10: 7,333,138 km (0.069 R)
• M11: 8,699,266 km (0.097 R)
• M12: 9,140,430 km (0.112 R)
• M13: 10,512,841 km (0.104 R)
• M14: 11,705,884 km (0.059 R)
• M15: 12,153,181 km (0.036 R)
• M16: 12,473,022 km (0.085 R)
• M17: 13,907,964 km (0.102 R)
• M18: 14,308,438 km (0.119 R)
• M19: 15,503,276 km (0.077 R)
• M20: 16,595,041 km (0.085 R)
• M21: 17,562,790 km (0.104 R)
• M22: 18,090,123 km (0.073 R)
• M23: 19,861,361 km (0.104 R)
• M24: 20,178,060 km (0.062 R)
• M25: 23,745,670 km (0.084 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 991.1

Radius: 5.1

Gravity: 38.1 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 5.43 AU - 5.89 AU

Year: 9133 Days

Day: 19.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 44,932,177 km

• M1: 64,477 km (0.077 R)
• M2: 365,617 km (0.108 R)
• M3: 776,862 km (0.103 R)
• M4: 1,055,563 km (0.086 R)
• M5: 1,293,722 km (0.076 R)
• M6: 1,495,380 km (0.056 R)
• M7: 2,049,192 km (0.041 R)
• M8: 2,363,048 km (0.109 R)
• M9: 2,624,395 km (0.075 R)
• M10: 4,346,267 km (0.102 R)
• M11: 5,321,495 km (0.12 R)
• M12: 5,700,277 km (0.11 R)
• M13: 7,230,215 km (0.08 R)
• M14: 7,523,576 km (0.044 R)
• M15: 8,044,775 km (0.091 R)
• M16: 10,163,380 km (0.102 R)
• M17: 11,183,338 km (0.087 R)
• M18: 11,575,734 km (0.095 R)
• M19: 12,747,683 km (0.095 R)
• M20: 15,393,322 km (0.116 R)
• M21: 16,374,385 km (0.053 R)
• M22: 18,075,761 km (0.101 R)
• M23: 18,929,666 km (0.101 R)
• M24: 21,738,815 km (0.09 R)
• M25: 22,261,809 km (0.103 R)
• M26: 24,813,799 km (0.063 R)
• M27: 27,251,347 km (0.1 R)
• M28: 27,859,163 km (0.05 R)
• M29: 28,788,016 km (0.117 R)
• M30: 30,165,663 km (0.116 R)
• M31: 33,742,997 km (0.102 R)
• M32: 35,874,617 km (0.119 R)
• M33: 42,128,406 km (0.108 R)
• M34: 43,901,739 km (0.086 R)
• M35: 48,922,393 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 170.1

Radius: 6.9

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 6.21 AU - 6.45 AU

Year: 10802 Days

Day: 21.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,932,177 km

• M1: 88,562 km (0.111 R)
• M2: 939,923 km (0.087 R)
• M3: 1,329,027 km (0.089 R)
• M4: 2,346,592 km (0.118 R)
• M5: 2,911,025 km (0.065 R)
• M6: 4,281,790 km (0.111 R)
• M7: 4,956,776 km (0.081 R)
• M8: 7,407,787 km (0.102 R)
• M9: 7,995,258 km (0.089 R)
• M10: 11,216,998 km (0.104 R)
• M11: 11,794,296 km (0.099 R)
• M12: 14,753,043 km (0.072 R)
• M13: 18,834,222 km (0.096 R)
• M14: 19,103,349 km (0.042 R)
• M15: 21,422,415 km (0.093 R)
• M16: 24,397,318 km (0.037 R)
• M17: 27,120,748 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 381.6

Radius: 7.2

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.16 AU - 8.54 AU

Year: 12160 Days

Day: 17.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 44,932,177 km

• M1: 90,208 km (0.105 R)
• M2: 317,746 km (0.087 R)
• M3: 554,111 km (0.088 R)
• M4: 781,798 km (0.1 R)
• M5: 1,095,206 km (0.097 R)
• M6: 1,745,358 km (0.109 R)
• M7: 1,979,329 km (0.12 R)
• M8: 2,234,394 km (0.095 R)
• M9: 2,708,918 km (0.052 R)
• M10: 4,715,624 km (0.103 R)
• M11: 5,268,987 km (0.078 R)
• M12: 5,864,685 km (0.119 R)
• M13: 6,765,564 km (0.111 R)
• M14: 8,220,403 km (0.112 R)
• M15: 9,535,368 km (0.102 R)
• M16: 10,776,731 km (0.095 R)
• M17: 11,517,241 km (0.118 R)
• M18: 11,844,711 km (0.088 R)
• M19: 14,376,954 km (0.098 R)
• M20: 14,884,839 km (0.102 R)
• M21: 15,669,180 km (0.072 R)
• M22: 16,071,449 km (0.055 R)
• M23: 20,008,416 km (0.033 R)
• M24: 22,536,321 km (0.034 R)
• M25: 24,543,924 km (0.102 R)
• M26: 24,814,397 km (0.096 R)
• M27: 27,725,871 km (0.117 R)
• M28: 28,512,606 km (0.03 R)
• M29: 29,925,109 km (0.03 R)
• M30: 31,915,808 km (0.11 R)
• M31: 35,811,037 km (0.083 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 16,880 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit