🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.45 AU - 0.55 AU

Year: 232 Days

Day: 32.8 Hours

Environment

Temp: -114 °C

Axial Tilt: 16.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,726,619 km

• M1: 66,721 km (0.083 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.45 AU - 0.75 AU

Year: 305 Days

Day: 24.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 17.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.49 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687

Radius: 14.3

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.08 AU - 2.68 AU

Year: 2409 Days

Day: 6.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,726,619 km

• M1: 232,774 km (0.093 R)
• M2: 900,878 km (0.07 R)
• M3: 1,820,905 km (0.075 R)
• M4: 3,010,657 km (0.12 R)
• M5: 3,531,108 km (0.054 R)
• M6: 4,712,333 km (0.093 R)
• M7: 5,860,646 km (0.091 R)
• M8: 6,569,142 km (0.068 R)
• M9: 7,217,200 km (0.088 R)
• M10: 8,774,214 km (0.077 R)
• M11: 9,632,009 km (0.117 R)
• M12: 15,950,275 km (0.109 R)
• M13: 16,915,630 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.3

Radius: 8.6

Gravity: 10.69 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.55 AU - 2.69 AU

Year: 2782 Days

Day: 9.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,726,619 km

• M1: 106,962 km (0.101 R)
• M2: 536,009 km (0.108 R)
• M3: 997,668 km (0.08 R)
• M4: 1,430,754 km (0.072 R)
• M5: 1,801,906 km (0.114 R)
• M6: 2,222,725 km (0.074 R)
• M7: 2,901,600 km (0.085 R)
• M8: 3,298,633 km (0.072 R)
• M9: 3,870,695 km (0.094 R)
• M10: 4,969,492 km (0.06 R)
• M11: 6,097,460 km (0.069 R)
• M12: 6,489,705 km (0.053 R)
• M13: 8,230,576 km (0.119 R)
• M14: 9,244,849 km (0.075 R)
• M15: 9,953,195 km (0.107 R)
• M16: 10,617,260 km (0.104 R)
• M17: 10,899,102 km (0.094 R)
• M18: 15,236,543 km (0.039 R)
• M19: 16,277,296 km (0.054 R)
• M20: 17,926,163 km (0.089 R)
• M21: 19,323,108 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.8

Radius: 13.5

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.56 AU - 2.84 AU

Year: 2910 Days

Day: 14.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,726,619 km

• M1: 167,849 km (0.11 R)
• M2: 848,370 km (0.1 R)
• M3: 1,413,550 km (0.045 R)
• M4: 2,427,525 km (0.104 R)
• M5: 3,621,166 km (0.083 R)
• M6: 4,089,557 km (0.113 R)
• M7: 5,250,137 km (0.116 R)
• M8: 6,357,012 km (0.109 R)
• M9: 7,167,234 km (0.063 R)
• M10: 7,777,743 km (0.116 R)
• M11: 9,514,275 km (0.108 R)
• M12: 13,740,864 km (0.043 R)
• M13: 15,095,622 km (0.103 R)
• M14: 18,600,550 km (0.111 R)
• M15: 21,088,363 km (0.063 R)
• M16: 22,143,028 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.5

Radius: 13.6

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.43 AU - 3.37 AU

Year: 3240 Days

Day: 6.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,726,619 km

• M1: 169,494 km (0.111 R)
• M2: 816,655 km (0.106 R)
• M3: 1,783,506 km (0.041 R)
• M4: 3,118,667 km (0.109 R)
• M5: 3,675,320 km (0.12 R)
• M6: 4,141,168 km (0.104 R)
• M7: 4,718,766 km (0.093 R)
• M8: 5,376,248 km (0.105 R)
• M9: 5,810,680 km (0.086 R)
• M10: 6,781,870 km (0.104 R)
• M11: 8,784,387 km (0.075 R)
• M12: 9,389,660 km (0.116 R)
• M13: 10,982,279 km (0.115 R)
• M14: 12,048,014 km (0.108 R)
• M15: 12,559,040 km (0.082 R)
• M16: 13,674,442 km (0.08 R)
• M17: 15,551,596 km (0.075 R)
• M18: 18,314,370 km (0.041 R)
• M19: 19,940,199 km (0.042 R)
• M20: 21,054,105 km (0.086 R)
• M21: 22,486,954 km (0.107 R)
• M22: 23,477,591 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845

Radius: 13

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.58 AU - 4.28 AU

Year: 4167 Days

Day: 9 Hours

Environment

Temp: -201 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,726,619 km

• M1: 161,715 km (0.118 R)
• M2: 662,868 km (0.08 R)
• M3: 1,312,572 km (0.085 R)
• M4: 1,814,622 km (0.1 R)
• M5: 2,460,885 km (0.071 R)
• M6: 3,496,401 km (0.078 R)
• M7: 5,196,880 km (0.087 R)
• M8: 6,476,989 km (0.105 R)
• M9: 7,602,713 km (0.054 R)
• M10: 8,175,823 km (0.11 R)
• M11: 10,806,352 km (0.041 R)
• M12: 12,631,446 km (0.054 R)
• M13: 14,222,718 km (0.083 R)
• M14: 14,873,170 km (0.072 R)
• M15: 17,986,750 km (0.07 R)
• M16: 24,535,996 km (0.093 R)
• M17: 26,839,504 km (0.035 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.9

Radius: 10.8

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.99 AU - 4.85 AU

Year: 6096 Days

Day: 6.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,726,619 km

• M1: 148,251 km (0.07 R)
• M2: 490,531 km (0.071 R)
• M3: 832,961 km (0.105 R)
• M4: 1,775,876 km (0.06 R)
• M5: 3,582,719 km (0.098 R)
• M6: 6,623,446 km (0.053 R)
• M7: 8,224,592 km (0.096 R)
• M8: 10,069,582 km (0.105 R)
• M9: 10,917,503 km (0.096 R)
• M10: 11,812,547 km (0.111 R)
• M11: 14,978,188 km (0.089 R)
• M12: 17,189,095 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 184.4

Radius: 4.2

Gravity: 10.45 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 8.05 AU - 8.13 AU

Year: 15095 Days

Day: 22.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 40,726,619 km

• M1: 52,808 km (0.095 R)
• M2: 192,233 km (0.103 R)
• M3: 527,931 km (0.067 R)
• M4: 1,085,931 km (0.082 R)
• M5: 2,030,043 km (0.075 R)
• M6: 2,163,036 km (0.093 R)
• M7: 2,521,173 km (0.111 R)
• M8: 4,168,245 km (0.117 R)
• M9: 4,383,966 km (0.099 R)
• M10: 6,073,524 km (0.053 R)
• M11: 6,745,817 km (0.117 R)
• M12: 6,893,470 km (0.073 R)
• M13: 8,837,943 km (0.067 R)
• M14: 9,375,598 km (0.076 R)
• M15: 12,013,756 km (0.097 R)
• M16: 14,244,111 km (0.105 R)
• M17: 15,170,720 km (0.078 R)
• M18: 17,836,853 km (0.081 R)
• M19: 24,332,692 km (0.101 R)
• M20: 25,474,722 km (0.117 R)
• M21: 26,013,723 km (0.102 R)
• M22: 26,195,036 km (0.094 R)
• M23: 27,582,107 km (0.119 R)
• M24: 31,313,527 km (0.11 R)
• M25: 36,038,277 km (0.089 R)
• M26: 37,059,881 km (0.115 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 249 - 11,522 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit