🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.3

Radius: 14.7

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.32 AU - 1.56 AU

Year: 1152 Days

Day: 6.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,596,916 km

• M1: 184,305 km (0.059 R)
• M2: 705,354 km (0.064 R)
• M3: 1,367,175 km (0.083 R)
• M4: 1,843,794 km (0.089 R)
• M5: 2,862,256 km (0.102 R)
• M6: 3,646,448 km (0.057 R)
• M7: 4,114,540 km (0.065 R)
• M8: 4,765,739 km (0.101 R)
• M9: 5,505,052 km (0.043 R)
• M10: 7,142,251 km (0.082 R)
• M11: 8,112,543 km (0.085 R)
• M12: 9,282,548 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.1

Radius: 12.1

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.38 AU - 2.22 AU

Year: 1610 Days

Day: 13.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 173.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,596,916 km

• M1: 150,495 km (0.057 R)
• M2: 677,678 km (0.064 R)
• M3: 1,276,967 km (0.069 R)
• M4: 2,078,513 km (0.068 R)
• M5: 2,492,749 km (0.09 R)
• M6: 3,261,084 km (0.12 R)
• M7: 4,081,927 km (0.11 R)
• M8: 4,757,063 km (0.077 R)
• M9: 5,228,146 km (0.077 R)
• M10: 5,606,779 km (0.043 R)
• M11: 6,242,270 km (0.103 R)
• M12: 7,938,710 km (0.103 R)
• M13: 9,863,885 km (0.116 R)
• M14: 10,413,657 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.9

Radius: 14.3

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.8 AU - 2.9 AU

Year: 3208 Days

Day: 9.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,596,916 km

• M1: 193,729 km (0.079 R)
• M2: 676,033 km (0.033 R)
• M3: 1,633,310 km (0.034 R)
• M4: 2,172,909 km (0.114 R)
• M5: 2,736,444 km (0.078 R)
• M6: 3,200,646 km (0.12 R)
• M7: 3,835,839 km (0.109 R)
• M8: 4,621,826 km (0.076 R)
• M9: 6,289,244 km (0.1 R)
• M10: 6,748,210 km (0.115 R)
• M11: 7,447,281 km (0.116 R)
• M12: 8,742,948 km (0.098 R)
• M13: 9,243,204 km (0.072 R)
• M14: 9,876,302 km (0.094 R)
• M15: 10,379,848 km (0.091 R)
• M16: 11,188,126 km (0.115 R)
• M17: 11,692,869 km (0.076 R)
• M18: 13,675,789 km (0.119 R)
• M19: 14,351,373 km (0.037 R)
• M20: 17,112,800 km (0.085 R)
• M21: 17,954,736 km (0.053 R)
• M22: 18,647,973 km (0.025 R)
• M23: 19,419,150 km (0.108 R)
• M24: 19,904,296 km (0.079 R)
• M25: 21,925,962 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.3

Radius: 13.6

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 4.01 AU - 4.35 AU

Year: 5699 Days

Day: 6.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,596,916 km

• M1: 169,195 km (0.066 R)
• M2: 799,152 km (0.029 R)
• M3: 1,319,304 km (0.075 R)
• M4: 1,966,464 km (0.093 R)
• M5: 2,677,503 km (0.087 R)
• M6: 3,296,539 km (0.045 R)
• M7: 3,748,025 km (0.088 R)
• M8: 5,511,335 km (0.092 R)
• M9: 10,012,735 km (0.109 R)
• M10: 10,968,516 km (0.1 R)
• M11: 14,548,094 km (0.105 R)
• M12: 16,358,527 km (0.093 R)
• M13: 17,627,416 km (0.097 R)
• M14: 19,682,741 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 954.8

Radius: 6.7

Gravity: 21.27 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 5.93 AU - 8.97 AU

Year: 13560 Days

Day: 20.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,596,916 km

• M1: 113,246 km (0.083 R)
• M2: 440,416 km (0.081 R)
• M3: 734,376 km (0.11 R)
• M4: 1,344,436 km (0.058 R)
• M5: 2,190,113 km (0.108 R)
• M6: 3,593,640 km (0.049 R)
• M7: 4,151,640 km (0.089 R)
• M8: 4,500,203 km (0.116 R)
• M9: 5,740,519 km (0.113 R)
• M10: 7,328,650 km (0.12 R)
• M11: 7,650,286 km (0.105 R)
• M12: 8,570,911 km (0.109 R)
• M13: 9,136,540 km (0.053 R)
• M14: 9,781,756 km (0.105 R)
• M15: 11,650,233 km (0.108 R)
• M16: 15,322,263 km (0.103 R)
• M17: 15,848,698 km (0.075 R)
• M18: 16,464,742 km (0.114 R)
• M19: 18,577,812 km (0.039 R)
• M20: 18,832,726 km (0.119 R)
• M21: 19,262,820 km (0.049 R)
• M22: 25,049,116 km (0.067 R)
• M23: 27,282,014 km (0.071 R)
• M24: 29,528,675 km (0.09 R)
• M25: 33,250,371 km (0.113 R)
• M26: 42,927,408 km (0.116 R)
• M27: 45,494,358 km (0.097 R)
• M28: 46,893,846 km (0.115 R)
• M29: 49,778,691 km (0.094 R)
• M30: 50,106,311 km (0.111 R)
• M31: 52,440,337 km (0.046 R)
• M32: 59,139,180 km (0.087 R)
• M33: 63,074,950 km (0.109 R)
• M34: 65,400,599 km (0.105 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 16,197 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit