🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.97 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.1

Radius: 8.4

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.61 AU - 2.25 AU

Year: 1819 Days

Day: 14.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,410,029 km

• M1: 104,419 km (0.112 R)
• M2: 425,307 km (0.12 R)
• M3: 725,998 km (0.084 R)
• M4: 1,054,067 km (0.108 R)
• M5: 1,595,760 km (0.03 R)
• M6: 2,219,135 km (0.089 R)
• M7: 2,619,309 km (0.119 R)
• M8: 2,939,897 km (0.104 R)
• M9: 3,485,930 km (0.081 R)
• M10: 3,808,313 km (0.11 R)
• M11: 4,132,940 km (0.061 R)
• M12: 6,509,452 km (0.089 R)
• M13: 6,800,869 km (0.098 R)
• M14: 7,594,486 km (0.1 R)
• M15: 8,166,249 km (0.082 R)
• M16: 8,883,870 km (0.094 R)
• M17: 9,518,763 km (0.091 R)
• M18: 10,411,713 km (0.106 R)
• M19: 10,946,525 km (0.114 R)
• M20: 11,747,173 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391

Radius: 9.4

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.63 AU - 3.57 AU

Year: 3702 Days

Day: 6.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,410,029 km

• M1: 116,836 km (0.112 R)
• M2: 439,219 km (0.046 R)
• M3: 1,200,373 km (0.077 R)
• M4: 2,343,002 km (0.068 R)
• M5: 2,757,538 km (0.091 R)
• M6: 3,508,070 km (0.103 R)
• M7: 3,871,892 km (0.101 R)
• M8: 4,519,651 km (0.075 R)
• M9: 5,069,423 km (0.057 R)
• M10: 5,435,190 km (0.114 R)
• M11: 6,385,585 km (0.119 R)
• M12: 7,078,373 km (0.113 R)
• M13: 8,046,271 km (0.042 R)
• M14: 8,376,583 km (0.101 R)
• M15: 8,784,985 km (0.1 R)
• M16: 9,314,113 km (0.071 R)
• M17: 9,715,484 km (0.09 R)
• M18: 11,151,025 km (0.108 R)
• M19: 14,341,499 km (0.051 R)
• M20: 14,778,923 km (0.08 R)
• M21: 17,154,986 km (0.104 R)
• M22: 17,648,061 km (0.097 R)
• M23: 18,037,913 km (0.119 R)
• M24: 19,183,982 km (0.091 R)
• M25: 19,655,664 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.5

Radius: 9.4

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4 AU - 4.2 AU

Year: 5631 Days

Day: 5.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,410,029 km

• M1: 126,261 km (0.099 R)
• M2: 564,732 km (0.091 R)
• M3: 969,394 km (0.046 R)
• M4: 1,819,559 km (0.091 R)
• M5: 2,667,180 km (0.092 R)
• M6: 4,371,399 km (0.105 R)
• M7: 4,839,641 km (0.102 R)
• M8: 6,009,346 km (0.079 R)
• M9: 7,637,420 km (0.081 R)
• M10: 9,179,774 km (0.088 R)
• M11: 11,782,927 km (0.082 R)
• M12: 16,160,310 km (0.12 R)
• M13: 16,901,418 km (0.091 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 349.2

Radius: 3.5

Gravity: 28.51 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 7.93 AU - 9.23 AU

Year: 17046 Days

Day: 15.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,410,029 km

• M1: 99,782 km (0.089 R)
• M2: 798,254 km (0.077 R)
• M3: 1,749,996 km (0.082 R)
• M4: 1,935,048 km (0.057 R)
• M5: 2,404,487 km (0.099 R)
• M6: 3,806,368 km (0.089 R)
• M7: 5,288,734 km (0.099 R)
• M8: 6,665,333 km (0.104 R)
• M9: 9,943,022 km (0.091 R)
• M10: 10,973,752 km (0.091 R)
• M11: 11,718,749 km (0.075 R)
• M12: 12,992,425 km (0.094 R)
• M13: 14,557,818 km (0.089 R)
• M14: 18,770,045 km (0.107 R)
• M15: 20,252,111 km (0.115 R)
• M16: 27,787,655 km (0.102 R)
• M17: 29,381,770 km (0.036 R)
• M18: 33,336,390 km (0.117 R)
• M19: 35,624,788 km (0.044 R)
• M20: 42,280,397 km (0.065 R)
• M21: 48,497,984 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 279.4

Radius: 4.3

Gravity: 15.11 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 8.52 AU - 9.16 AU

Year: 17827 Days

Day: 17.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 68,410,029 km

• M1: 53,406 km (0.057 R)
• M2: 219,310 km (0.096 R)
• M3: 616,942 km (0.116 R)
• M4: 811,868 km (0.095 R)
• M5: 1,313,619 km (0.09 R)
• M6: 2,016,280 km (0.065 R)
• M7: 3,921,559 km (0.091 R)
• M8: 4,380,674 km (0.084 R)
• M9: 6,120,946 km (0.108 R)
• M10: 7,310,100 km (0.117 R)
• M11: 8,003,486 km (0.082 R)
• M12: 8,458,563 km (0.066 R)
• M13: 9,124,423 km (0.075 R)
• M14: 9,875,703 km (0.064 R)
• M15: 10,187,465 km (0.113 R)
• M16: 12,436,221 km (0.094 R)
• M17: 13,108,214 km (0.12 R)
• M18: 13,295,660 km (0.077 R)
• M19: 13,611,910 km (0.046 R)
• M20: 14,524,158 km (0.065 R)
• M21: 16,038,986 km (0.061 R)
• M22: 16,181,702 km (0.116 R)
• M23: 17,731,985 km (0.112 R)
• M24: 19,949,325 km (0.114 R)
• M25: 20,447,336 km (0.102 R)
• M26: 23,062,606 km (0.115 R)
• M27: 28,629,891 km (0.074 R)
• M28: 32,343,359 km (0.092 R)
• M29: 43,003,703 km (0.109 R)
• M30: 44,113,271 km (0.063 R)
• M31: 48,742,427 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 554.1

Radius: 3.4

Gravity: 47.93 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 8.63 AU - 9.79 AU

Year: 18957 Days

Day: 17.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 113.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 68,410,029 km

• M1: 42,635 km (0.104 R)
• M2: 572,960 km (0.112 R)
• M3: 1,011,282 km (0.106 R)
• M4: 1,797,418 km (0.046 R)
• M5: 1,982,022 km (0.045 R)
• M6: 2,240,827 km (0.112 R)
• M7: 2,682,290 km (0.049 R)
• M8: 3,049,553 km (0.099 R)
• M9: 3,339,623 km (0.099 R)
• M10: 3,449,428 km (0.117 R)
• M11: 3,793,802 km (0.084 R)
• M12: 4,160,466 km (0.079 R)
• M13: 5,708,655 km (0.116 R)
• M14: 7,095,277 km (0.116 R)
• M15: 8,588,264 km (0.099 R)
• M16: 8,847,218 km (0.079 R)
• M17: 18,217,729 km (0.054 R)
• M18: 18,991,599 km (0.082 R)
• M19: 21,825,133 km (0.098 R)
• M20: 25,454,227 km (0.046 R)
• M21: 25,666,955 km (0.049 R)
• M22: 26,857,755 km (0.04 R)
• M23: 30,291,624 km (0.102 R)
• M24: 30,650,360 km (0.034 R)
• M25: 30,770,487 km (0.05 R)
• M26: 36,510,408 km (0.106 R)
• M27: 36,780,880 km (0.088 R)
• M28: 38,571,567 km (0.1 R)
• M29: 38,992,984 km (0.094 R)
• M30: 44,444,480 km (0.111 R)
• M31: 44,598,566 km (0.104 R)
• M32: 45,686,442 km (0.107 R)
• M33: 50,717,717 km (0.069 R)
• M34: 55,034,364 km (0.082 R)
• M35: 62,054,543 km (0.111 R)
• M36: 65,778,184 km (0.116 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 459 - 19,250 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit