🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.51 AU - 0.61 AU

Year: 275 Days

Day: 31 Hours

Environment

Temp: -130 °C

Axial Tilt: 38.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.9

Radius: 14.7

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.65 AU - 0.89 AU

Year: 443 Days

Day: 8.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 89,264,020 km

• M1: 182,958 km (0.115 R)
• M2: 917,035 km (0.112 R)
• M3: 1,455,138 km (0.105 R)
• M4: 2,061,608 km (0.085 R)
• M5: 3,067,504 km (0.037 R)
• M6: 3,571,200 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363

Radius: 13.3

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.74 AU - 0.84 AU

Year: 461 Days

Day: 14.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 89,264,020 km

• M1: 165,455 km (0.101 R)
• M2: 695,032 km (0.037 R)
• M3: 1,291,778 km (0.083 R)
• M4: 1,741,618 km (0.09 R)
• M5: 2,382,645 km (0.113 R)
• M6: 3,528,415 km (0.115 R)
• M7: 4,244,989 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.1

Radius: 10

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.16 AU - 1.22 AU

Year: 852 Days

Day: 6.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 89,264,020 km

• M1: 124,316 km (0.117 R)
• M2: 438,322 km (0.088 R)
• M3: 836,102 km (0.091 R)
• M4: 1,902,885 km (0.097 R)
• M5: 2,290,643 km (0.1 R)
• M6: 2,636,214 km (0.112 R)
• M7: 3,042,521 km (0.112 R)
• M8: 3,490,418 km (0.071 R)
• M9: 4,155,679 km (0.119 R)
• M10: 4,867,616 km (0.035 R)
• M11: 5,196,731 km (0.064 R)
• M12: 6,064,548 km (0.115 R)
• M13: 7,376,222 km (0.039 R)
• M14: 9,030,176 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.2

Radius: 14.2

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.92 AU - 1.5 AU

Year: 873 Days

Day: 6.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,264,020 km

• M1: 176,525 km (0.081 R)
• M2: 790,326 km (0.119 R)
• M3: 1,415,345 km (0.114 R)
• M4: 2,944,834 km (0.074 R)
• M5: 3,415,170 km (0.108 R)
• M6: 4,286,278 km (0.082 R)
• M7: 4,826,027 km (0.081 R)
• M8: 5,392,554 km (0.068 R)
• M9: 6,428,968 km (0.09 R)
• M10: 7,571,298 km (0.099 R)
• M11: 8,166,697 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.4

Radius: 9.3

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.38 AU - 1.56 AU

Year: 1169 Days

Day: 12.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 89,264,020 km

• M1: 115,789 km (0.074 R)
• M2: 432,787 km (0.065 R)
• M3: 758,162 km (0.09 R)
• M4: 1,259,614 km (0.085 R)
• M5: 1,562,849 km (0.068 R)
• M6: 1,878,650 km (0.025 R)
• M7: 2,395,511 km (0.112 R)
• M8: 2,795,087 km (0.042 R)
• M9: 3,787,818 km (0.096 R)
• M10: 4,332,354 km (0.1 R)
• M11: 4,910,401 km (0.066 R)
• M12: 5,539,160 km (0.113 R)
• M13: 6,158,196 km (0.078 R)
• M14: 7,229,915 km (0.094 R)
• M15: 7,629,491 km (0.104 R)
• M16: 8,917,080 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.9

Radius: 9.3

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.07 AU - 3.03 AU

Year: 2671 Days

Day: 12.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 89,264,020 km

• M1: 115,639 km (0.101 R)
• M2: 441,912 km (0.089 R)
• M3: 941,120 km (0.079 R)
• M4: 1,339,799 km (0.113 R)
• M5: 1,666,520 km (0.085 R)
• M6: 2,085,245 km (0.105 R)
• M7: 2,383,543 km (0.028 R)
• M8: 3,135,871 km (0.075 R)
• M9: 3,624,308 km (0.118 R)
• M10: 4,268,177 km (0.116 R)
• M11: 4,730,733 km (0.047 R)
• M12: 5,057,455 km (0.09 R)
• M13: 5,678,735 km (0.113 R)
• M14: 6,405,781 km (0.096 R)
• M15: 7,501,286 km (0.117 R)
• M16: 8,044,625 km (0.104 R)
• M17: 9,209,993 km (0.11 R)
• M18: 9,908,316 km (0.065 R)
• M19: 11,368,989 km (0.059 R)
• M20: 13,149,653 km (0.038 R)
• M21: 14,082,545 km (0.052 R)
• M22: 14,712,203 km (0.034 R)
• M23: 15,159,051 km (0.074 R)
• M24: 15,563,714 km (0.057 R)
• M25: 17,808,131 km (0.055 R)
• M26: 18,315,716 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.2

Radius: 13.2

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.48 AU - 5.26 AU

Year: 5993 Days

Day: 7.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 89,264,020 km

• M1: 168,896 km (0.101 R)
• M2: 763,248 km (0.096 R)
• M3: 1,370,915 km (0.074 R)
• M4: 1,874,013 km (0.111 R)
• M5: 2,500,528 km (0.104 R)
• M6: 3,900,465 km (0.091 R)
• M7: 4,468,339 km (0.104 R)
• M8: 5,010,033 km (0.076 R)
• M9: 5,980,324 km (0.075 R)
• M10: 6,542,812 km (0.058 R)
• M11: 7,243,529 km (0.09 R)
• M12: 8,834,801 km (0.118 R)
• M13: 10,118,950 km (0.118 R)
• M14: 11,382,603 km (0.101 R)
• M15: 11,858,474 km (0.075 R)
• M16: 12,497,107 km (0.117 R)
• M17: 14,441,131 km (0.111 R)
• M18: 18,921,139 km (0.108 R)
• M19: 20,553,251 km (0.101 R)
• M20: 21,117,684 km (0.088 R)
• M21: 24,408,688 km (0.073 R)
• M22: 26,755,878 km (0.087 R)
• M23: 27,941,441 km (0.05 R)
• M24: 28,721,744 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 787.3

Radius: 4.5

Gravity: 38.88 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 10.71 AU - 11.15 AU

Year: 23705 Days

Day: 19.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 89,264,020 km

• M1: 55,950 km (0.04 R)
• M2: 256,560 km (0.113 R)
• M3: 517,908 km (0.092 R)
• M4: 667,805 km (0.097 R)
• M5: 893,997 km (0.079 R)
• M6: 2,537,629 km (0.11 R)
• M7: 2,924,638 km (0.115 R)
• M8: 3,409,784 km (0.098 R)
• M9: 3,979,902 km (0.114 R)
• M10: 8,023,532 km (0.112 R)
• M11: 9,083,284 km (0.092 R)
• M12: 9,737,774 km (0.11 R)
• M13: 10,359,653 km (0.103 R)
• M14: 11,206,975 km (0.029 R)
• M15: 12,312,054 km (0.107 R)
• M16: 12,455,220 km (0.112 R)
• M17: 12,964,600 km (0.045 R)
• M18: 17,015,262 km (0.108 R)
• M19: 17,461,512 km (0.028 R)
• M20: 18,942,082 km (0.099 R)
• M21: 21,316,799 km (0.085 R)
• M22: 21,940,024 km (0.09 R)
• M23: 28,729,074 km (0.082 R)
• M24: 31,447,866 km (0.111 R)
• M25: 32,938,160 km (0.086 R)
• M26: 33,491,672 km (0.114 R)
• M27: 36,351,983 km (0.081 R)
• M28: 37,992,474 km (0.108 R)
• M29: 38,448,298 km (0.087 R)
• M30: 38,907,863 km (0.1 R)
• M31: 49,062,716 km (0.084 R)
• M32: 51,248,491 km (0.119 R)
• M33: 52,553,134 km (0.108 R)
• M34: 57,194,108 km (0.064 R)
• M35: 58,799,742 km (0.113 R)
• M36: 64,440,480 km (0.109 R)
• M37: 73,443,579 km (0.087 R)
• M38: 76,540,703 km (0.116 R)
• M39: 79,972,179 km (0.027 R)
• M40: 86,877,019 km (0.112 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 11,271 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit