🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171

Radius: 14.8

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.91 AU - 0.93 AU

Year: 579 Days

Day: 5.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,714,493 km

• M1: 184,155 km (0.048 R)
• M2: 651,349 km (0.081 R)
• M3: 1,133,952 km (0.106 R)
• M4: 2,063,403 km (0.112 R)
• M5: 2,634,419 km (0.094 R)
• M6: 3,502,984 km (0.111 R)
• M7: 4,286,727 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.6

Radius: 11.5

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.5 AU - 2.26 AU

Year: 1691 Days

Day: 12.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 89.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,714,493 km

• M1: 143,016 km (0.119 R)
• M2: 503,846 km (0.088 R)
• M3: 891,454 km (0.112 R)
• M4: 1,265,897 km (0.114 R)
• M5: 1,768,696 km (0.1 R)
• M6: 2,191,758 km (0.074 R)
• M7: 2,752,601 km (0.119 R)
• M8: 3,342,166 km (0.094 R)
• M9: 3,711,074 km (0.102 R)
• M10: 4,220,006 km (0.116 R)
• M11: 4,713,530 km (0.056 R)
• M12: 5,245,201 km (0.114 R)
• M13: 6,253,640 km (0.109 R)
• M14: 6,738,486 km (0.04 R)
• M15: 7,138,960 km (0.092 R)
• M16: 7,812,749 km (0.062 R)
• M17: 8,621,026 km (0.067 R)
• M18: 10,795,581 km (0.117 R)
• M19: 12,106,956 km (0.102 R)
• M20: 12,620,226 km (0.046 R)
• M21: 14,291,085 km (0.026 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.1

Radius: 10.6

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.54 AU - 2.48 AU

Year: 1869 Days

Day: 10.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,714,493 km

• M1: 131,945 km (0.102 R)
• M2: 473,028 km (0.114 R)
• M3: 1,027,289 km (0.084 R)
• M4: 1,401,433 km (0.093 R)
• M5: 1,999,376 km (0.094 R)
• M6: 3,954,021 km (0.095 R)
• M7: 4,936,431 km (0.087 R)
• M8: 5,646,123 km (0.046 R)
• M9: 6,601,305 km (0.065 R)
• M10: 7,434,865 km (0.074 R)
• M11: 9,052,466 km (0.043 R)
• M12: 10,046,395 km (0.107 R)
• M13: 10,856,617 km (0.105 R)
• M14: 13,382,128 km (0.107 R)
• M15: 13,973,488 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.2

Radius: 14.1

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.97 AU - 2.65 AU

Year: 2303 Days

Day: 9.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,714,493 km

• M1: 175,329 km (0.089 R)
• M2: 653,294 km (0.026 R)
• M3: 1,595,162 km (0.12 R)
• M4: 2,085,095 km (0.07 R)
• M5: 3,222,189 km (0.111 R)
• M6: 4,201,755 km (0.088 R)
• M7: 5,494,580 km (0.109 R)
• M8: 6,220,279 km (0.118 R)
• M9: 7,519,836 km (0.076 R)
• M10: 10,040,411 km (0.093 R)
• M11: 10,808,895 km (0.064 R)
• M12: 14,091,671 km (0.047 R)
• M13: 16,425,846 km (0.09 R)
• M14: 17,330,465 km (0.1 R)
• M15: 18,324,094 km (0.05 R)
• M16: 19,355,421 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.6

Radius: 9

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.51 AU - 2.79 AU

Year: 2830 Days

Day: 12.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,714,493 km

• M1: 112,198 km (0.092 R)
• M2: 456,124 km (0.087 R)
• M3: 850,015 km (0.076 R)
• M4: 1,373,907 km (0.062 R)
• M5: 1,927,269 km (0.115 R)
• M6: 2,226,764 km (0.119 R)
• M7: 3,396,620 km (0.065 R)
• M8: 3,702,846 km (0.117 R)
• M9: 4,427,349 km (0.119 R)
• M10: 4,933,738 km (0.06 R)
• M11: 5,327,928 km (0.116 R)
• M12: 6,564,055 km (0.09 R)
• M13: 7,623,208 km (0.1 R)
• M14: 8,066,018 km (0.109 R)
• M15: 9,816,612 km (0.064 R)
• M16: 10,678,296 km (0.091 R)
• M17: 11,339,219 km (0.102 R)
• M18: 13,208,894 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.2

Radius: 13.3

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.68 AU - 4.08 AU

Year: 4076 Days

Day: 7.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,714,493 km

• M1: 165,754 km (0.099 R)
• M2: 652,995 km (0.087 R)
• M3: 1,217,577 km (0.118 R)
• M4: 1,843,345 km (0.051 R)
• M5: 2,379,205 km (0.114 R)
• M6: 3,159,507 km (0.116 R)
• M7: 3,953,423 km (0.105 R)
• M8: 4,769,779 km (0.061 R)
• M9: 5,184,763 km (0.082 R)
• M10: 5,719,575 km (0.087 R)
• M11: 7,933,773 km (0.101 R)
• M12: 8,678,023 km (0.039 R)
• M13: 11,694,066 km (0.105 R)
• M14: 13,160,723 km (0.108 R)
• M15: 15,633,426 km (0.106 R)
• M16: 16,605,064 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 518.3

Radius: 5.8

Gravity: 15.41 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 7.68 AU - 10.02 AU

Year: 17271 Days

Day: 18 Hours

Environment

Temp: -221 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,714,493 km

• M1: 80,484 km (0.077 R)
• M2: 275,709 km (0.101 R)
• M3: 1,188,705 km (0.045 R)
• M4: 1,421,479 km (0.076 R)
• M5: 1,684,472 km (0.081 R)
• M6: 2,329,089 km (0.104 R)
• M7: 2,540,471 km (0.113 R)
• M8: 3,151,279 km (0.103 R)
• M9: 3,628,197 km (0.079 R)
• M10: 4,001,743 km (0.116 R)
• M11: 5,385,523 km (0.113 R)
• M12: 8,256,905 km (0.075 R)
• M13: 11,825,712 km (0.105 R)
• M14: 12,262,537 km (0.1 R)
• M15: 13,842,141 km (0.095 R)
• M16: 17,559,349 km (0.034 R)
• M17: 18,960,932 km (0.073 R)
• M18: 20,883,414 km (0.11 R)
• M19: 27,750,106 km (0.098 R)
• M20: 32,956,261 km (0.087 R)
• M21: 37,696,120 km (0.089 R)
• M22: 38,099,137 km (0.074 R)
• M23: 40,018,478 km (0.103 R)
• M24: 45,551,056 km (0.113 R)
• M25: 53,409,432 km (0.044 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 229.1

Radius: 3.9

Gravity: 15.06 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 8.11 AU - 12.11 AU

Year: 21088 Days

Day: 20.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,714,493 km

• M1: 48,619 km (0.047 R)
• M2: 499,058 km (0.065 R)
• M3: 1,009,337 km (0.092 R)
• M4: 1,692,850 km (0.063 R)
• M5: 2,577,871 km (0.044 R)
• M6: 2,908,332 km (0.092 R)
• M7: 3,119,714 km (0.059 R)
• M8: 4,865,671 km (0.058 R)
• M9: 5,163,969 km (0.094 R)
• M10: 6,519,326 km (0.032 R)
• M11: 7,088,845 km (0.077 R)
• M12: 7,257,442 km (0.12 R)
• M13: 9,648,763 km (0.031 R)
• M14: 11,447,827 km (0.092 R)
• M15: 12,640,571 km (0.088 R)
• M16: 16,416,571 km (0.112 R)
• M17: 18,718,733 km (0.117 R)
• M18: 24,330,897 km (0.07 R)
• M19: 25,990,386 km (0.093 R)
• M20: 29,207,937 km (0.084 R)
• M21: 34,336,152 km (0.073 R)
• M22: 35,798,471 km (0.111 R)
• M23: 41,379,220 km (0.104 R)
• M24: 47,661,732 km (0.109 R)
• M25: 50,095,091 km (0.09 R)
• M26: 53,574,588 km (0.11 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: 520 - 15,103 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit