🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.3

Radius: 12

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.63 AU - 0.97 AU

Year: 469 Days

Day: 8.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,716,438 km

• M1: 149,299 km (0.064 R)
• M2: 573,708 km (0.11 R)
• M3: 1,199,625 km (0.105 R)
• M4: 1,628,971 km (0.088 R)
• M5: 2,108,133 km (0.098 R)
• M6: 2,505,764 km (0.106 R)
• M7: 3,209,772 km (0.091 R)
• M8: 3,916,472 km (0.102 R)
• M9: 4,478,511 km (0.055 R)
• M10: 5,693,396 km (0.114 R)
• M11: 6,871,030 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407

Radius: 10.7

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.12 AU - 1.18 AU

Year: 809 Days

Day: 14.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,716,438 km

• M1: 133,142 km (0.064 R)
• M2: 467,194 km (0.067 R)
• M3: 1,338,303 km (0.099 R)
• M4: 1,708,557 km (0.08 R)
• M5: 2,223,324 km (0.091 R)
• M6: 2,565,603 km (0.091 R)
• M7: 3,383,455 km (0.03 R)
• M8: 3,995,759 km (0.093 R)
• M9: 4,761,102 km (0.063 R)
• M10: 5,353,061 km (0.068 R)
• M11: 5,768,344 km (0.119 R)
• M12: 6,562,111 km (0.054 R)
• M13: 7,102,309 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.6

Radius: 12.7

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.13 AU - 1.51 AU

Year: 995 Days

Day: 5.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,716,438 km

• M1: 157,975 km (0.112 R)
• M2: 709,543 km (0.086 R)
• M3: 1,120,039 km (0.043 R)
• M4: 1,526,796 km (0.061 R)
• M5: 2,606,145 km (0.067 R)
• M6: 3,144,547 km (0.111 R)
• M7: 3,634,331 km (0.113 R)
• M8: 4,224,943 km (0.107 R)
• M9: 4,677,776 km (0.105 R)
• M10: 5,260,011 km (0.11 R)
• M11: 6,708,118 km (0.115 R)
• M12: 7,524,922 km (0.109 R)
• M13: 8,542,487 km (0.058 R)
• M14: 9,414,942 km (0.111 R)
• M15: 9,978,627 km (0.113 R)
• M16: 10,659,147 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.2

Radius: 14.9

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.21 AU - 1.53 AU

Year: 1052 Days

Day: 12.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,716,438 km

• M1: 185,352 km (0.087 R)
• M2: 664,364 km (0.112 R)
• M3: 1,380,040 km (0.077 R)
• M4: 2,041,861 km (0.085 R)
• M5: 2,589,838 km (0.09 R)
• M6: 3,299,082 km (0.103 R)
• M7: 4,285,530 km (0.084 R)
• M8: 4,807,328 km (0.097 R)
• M9: 5,980,175 km (0.079 R)
• M10: 7,248,615 km (0.078 R)
• M11: 7,854,487 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.6

Radius: 9.8

Gravity: 9.16 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.01 AU - 2.33 AU

Year: 2097 Days

Day: 12.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,716,438 km

• M1: 121,922 km (0.075 R)
• M2: 465,698 km (0.027 R)
• M3: 1,039,705 km (0.096 R)
• M4: 1,362,537 km (0.043 R)
• M5: 1,710,053 km (0.1 R)
• M6: 2,646,237 km (0.068 R)
• M7: 3,062,717 km (0.034 R)
• M8: 3,416,666 km (0.061 R)
• M9: 4,147,003 km (0.086 R)
• M10: 5,092,461 km (0.104 R)
• M11: 6,577,519 km (0.038 R)
• M12: 7,169,927 km (0.119 R)
• M13: 7,828,457 km (0.095 R)
• M14: 8,364,466 km (0.073 R)
• M15: 9,829,926 km (0.063 R)
• M16: 10,833,429 km (0.079 R)
• M17: 12,026,921 km (0.092 R)
• M18: 12,784,036 km (0.092 R)
• M19: 13,350,264 km (0.088 R)
• M20: 14,069,979 km (0.074 R)
• M21: 15,635,969 km (0.118 R)
• M22: 17,053,110 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.8

Radius: 12.3

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.99 AU - 3.03 AU

Year: 2609 Days

Day: 8.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,716,438 km

• M1: 153,637 km (0.116 R)
• M2: 783,594 km (0.071 R)
• M3: 1,644,230 km (0.095 R)
• M4: 2,039,468 km (0.098 R)
• M5: 2,833,084 km (0.069 R)
• M6: 3,427,287 km (0.12 R)
• M7: 4,528,627 km (0.099 R)
• M8: 5,173,693 km (0.05 R)
• M9: 5,774,627 km (0.059 R)
• M10: 6,791,893 km (0.103 R)
• M11: 7,544,520 km (0.105 R)
• M12: 8,185,995 km (0.076 R)
• M13: 8,794,111 km (0.11 R)
• M14: 9,432,146 km (0.089 R)
• M15: 10,920,944 km (0.042 R)
• M16: 12,871,700 km (0.067 R)
• M17: 13,555,362 km (0.081 R)
• M18: 14,945,725 km (0.118 R)
• M19: 16,323,820 km (0.119 R)
• M20: 17,070,763 km (0.062 R)
• M21: 19,155,110 km (0.089 R)
• M22: 20,410,834 km (0.061 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.3

Radius: 10.6

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.02 AU - 4.49 AU

Year: 4764 Days

Day: 12.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,716,438 km

• M1: 133,591 km (0.075 R)
• M2: 773,870 km (0.075 R)
• M3: 2,615,868 km (0.053 R)
• M4: 5,017,662 km (0.036 R)
• M5: 5,586,284 km (0.111 R)
• M6: 6,292,834 km (0.112 R)
• M7: 7,445,336 km (0.072 R)
• M8: 7,846,857 km (0.101 R)
• M9: 8,301,335 km (0.078 R)
• M10: 8,813,409 km (0.038 R)
• M11: 10,750,552 km (0.057 R)
• M12: 12,140,166 km (0.081 R)
• M13: 13,324,832 km (0.114 R)
• M14: 16,284,626 km (0.074 R)
• M15: 17,595,402 km (0.109 R)
• M16: 19,246,065 km (0.119 R)
• M17: 21,142,069 km (0.117 R)
• M18: 22,247,597 km (0.107 R)
• M19: 24,734,512 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583.4

Radius: 3.7

Gravity: 42.62 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 7.7 AU - 12.52 AU

Year: 21088 Days

Day: 23.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 74,716,438 km

• M1: 46,076 km (0.091 R)
• M2: 175,030 km (0.116 R)
• M3: 919,429 km (0.036 R)
• M4: 1,040,004 km (0.036 R)
• M5: 1,255,276 km (0.103 R)
• M6: 1,532,181 km (0.093 R)
• M7: 1,720,525 km (0.107 R)
• M8: 2,042,011 km (0.098 R)
• M9: 2,929,426 km (0.119 R)
• M10: 3,828,359 km (0.118 R)
• M11: 4,340,433 km (0.119 R)
• M12: 4,969,791 km (0.048 R)
• M13: 5,941,579 km (0.079 R)
• M14: 6,493,894 km (0.119 R)
• M15: 7,505,325 km (0.087 R)
• M16: 7,947,985 km (0.063 R)
• M17: 8,617,585 km (0.105 R)
• M18: 10,126,878 km (0.04 R)
• M19: 11,738,646 km (0.115 R)
• M20: 12,133,584 km (0.033 R)
• M21: 12,605,266 km (0.092 R)
• M22: 15,854,382 km (0.096 R)
• M23: 16,336,686 km (0.056 R)
• M24: 17,162,017 km (0.075 R)
• M25: 20,647,199 km (0.09 R)
• M26: 22,807,093 km (0.092 R)
• M27: 27,340,058 km (0.057 R)
• M28: 34,803,945 km (0.091 R)
• M29: 40,916,364 km (0.082 R)
• M30: 42,280,248 km (0.111 R)
• M31: 45,419,110 km (0.118 R)
• M32: 48,373,818 km (0.072 R)
• M33: 51,454,038 km (0.072 R)
• M34: 55,945,265 km (0.032 R)
• M35: 56,315,520 km (0.111 R)
• M36: 60,496,033 km (0.107 R)
• M37: 73,824,006 km (0.115 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: 541 - 12,889 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit