🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.45 AU - 0.65 AU

Year: 268 Days

Day: 19.4 Hours

Environment

Temp: -127 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.59 AU - 0.63 AU

Year: 313 Days

Day: 39.6 Hours

Environment

Temp: -129 °C

Axial Tilt: 33.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.39 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109

Radius: 12.7

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.11 AU - 2.23 AU

Year: 2097 Days

Day: 9.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,455,559 km

• M1: 158,275 km (0.076 R)
• M2: 730,337 km (0.091 R)
• M3: 2,213,151 km (0.094 R)
• M4: 2,771,899 km (0.114 R)
• M5: 4,351,952 km (0.111 R)
• M6: 5,441,323 km (0.057 R)
• M7: 5,949,059 km (0.12 R)
• M8: 6,467,116 km (0.043 R)
• M9: 7,082,861 km (0.062 R)
• M10: 8,432,234 km (0.04 R)

Asteroid Belt

Center: 3.1 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.5

Radius: 13.9

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.74 AU - 4.3 AU

Year: 5287 Days

Day: 7.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,455,559 km

• M1: 173,982 km (0.112 R)
• M2: 638,484 km (0.067 R)
• M3: 1,341,145 km (0.103 R)
• M4: 2,204,773 km (0.104 R)
• M5: 3,631,788 km (0.083 R)
• M6: 5,682,326 km (0.086 R)
• M7: 8,582,131 km (0.109 R)
• M8: 10,524,061 km (0.087 R)
• M9: 13,640,783 km (0.1 R)
• M10: 16,323,820 km (0.104 R)
• M11: 17,166,356 km (0.117 R)
• M12: 17,927,210 km (0.101 R)
• M13: 19,633,225 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.8

Radius: 9.7

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.37 AU - 5.01 AU

Year: 5626 Days

Day: 14.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,455,559 km

• M1: 120,875 km (0.075 R)
• M2: 703,260 km (0.104 R)
• M3: 1,275,471 km (0.063 R)
• M4: 1,695,542 km (0.12 R)
• M5: 3,229,220 km (0.071 R)
• M6: 4,660,123 km (0.084 R)
• M7: 5,133,750 km (0.071 R)
• M8: 6,656,806 km (0.109 R)
• M9: 6,969,017 km (0.104 R)
• M10: 7,389,536 km (0.106 R)
• M11: 8,034,602 km (0.081 R)
• M12: 9,167,058 km (0.115 R)
• M13: 12,958,916 km (0.101 R)
• M14: 16,185,442 km (0.103 R)
• M15: 17,507,588 km (0.056 R)
• M16: 20,365,506 km (0.094 R)
• M17: 25,289,520 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.3

Radius: 10

Gravity: 9.68 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.81 AU - 4.71 AU

Year: 5768 Days

Day: 7.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,455,559 km

• M1: 124,316 km (0.074 R)
• M2: 690,993 km (0.063 R)
• M3: 1,330,374 km (0.117 R)
• M4: 1,786,498 km (0.107 R)
• M5: 2,448,917 km (0.062 R)
• M6: 3,016,791 km (0.085 R)
• M7: 4,030,915 km (0.114 R)
• M8: 5,531,082 km (0.093 R)
• M9: 6,509,901 km (0.084 R)
• M10: 7,871,391 km (0.074 R)
• M11: 8,474,271 km (0.064 R)
• M12: 9,502,606 km (0.053 R)
• M13: 10,093,368 km (0.105 R)
• M14: 14,340,452 km (0.064 R)
• M15: 14,875,713 km (0.105 R)
• M16: 17,019,002 km (0.078 R)
• M17: 18,510,941 km (0.081 R)
• M18: 19,288,701 km (0.088 R)
• M19: 19,794,940 km (0.11 R)
• M20: 23,344,748 km (0.073 R)
• M21: 24,336,282 km (0.031 R)
• M22: 29,814,706 km (0.105 R)
• M23: 31,178,739 km (0.119 R)
• M24: 33,095,986 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347

Radius: 14

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.52 AU - 5.86 AU

Year: 6663 Days

Day: 7.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,455,559 km

• M1: 174,431 km (0.094 R)
• M2: 803,341 km (0.077 R)
• M3: 1,503,608 km (0.106 R)
• M4: 2,351,679 km (0.101 R)
• M5: 4,916,384 km (0.11 R)
• M6: 9,204,607 km (0.102 R)
• M7: 10,240,872 km (0.114 R)
• M8: 10,765,212 km (0.063 R)
• M9: 11,773,203 km (0.078 R)
• M10: 17,409,153 km (0.092 R)
• M11: 19,452,361 km (0.076 R)
• M12: 25,490,280 km (0.087 R)
• M13: 26,211,941 km (0.102 R)
• M14: 28,716,658 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.9

Radius: 14

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.5 AU - 5.58 AU

Year: 7423 Days

Day: 6.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,455,559 km

• M1: 174,132 km (0.109 R)
• M2: 759,359 km (0.084 R)
• M3: 1,508,395 km (0.09 R)
• M4: 3,407,092 km (0.083 R)
• M5: 4,766,188 km (0.099 R)
• M6: 5,421,277 km (0.107 R)
• M7: 6,243,018 km (0.093 R)
• M8: 6,999,684 km (0.096 R)
• M9: 7,537,489 km (0.046 R)
• M10: 10,270,492 km (0.088 R)
• M11: 11,570,498 km (0.095 R)
• M12: 12,027,519 km (0.116 R)
• M13: 12,889,203 km (0.096 R)
• M14: 15,672,471 km (0.111 R)
• M15: 17,718,970 km (0.08 R)
• M16: 18,834,970 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 570.6

Radius: 4.2

Gravity: 32.35 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.91 AU - 7.21 AU

Year: 9786 Days

Day: 19.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 44,455,559 km

• M1: 52,658 km (0.109 R)
• M2: 196,123 km (0.103 R)
• M3: 381,475 km (0.078 R)
• M4: 512,223 km (0.062 R)
• M5: 729,589 km (0.119 R)
• M6: 1,192,145 km (0.092 R)
• M7: 1,604,886 km (0.074 R)
• M8: 1,844,093 km (0.059 R)
• M9: 3,460,947 km (0.066 R)
• M10: 3,886,553 km (0.088 R)
• M11: 5,244,303 km (0.098 R)
• M12: 6,046,896 km (0.072 R)
• M13: 6,223,870 km (0.118 R)
• M14: 7,319,674 km (0.06 R)
• M15: 8,103,567 km (0.106 R)
• M16: 10,380,746 km (0.104 R)
• M17: 10,945,029 km (0.066 R)
• M18: 13,347,421 km (0.115 R)
• M19: 14,324,295 km (0.08 R)
• M20: 14,958,590 km (0.062 R)
• M21: 15,810,700 km (0.107 R)
• M22: 18,859,953 km (0.081 R)
• M23: 19,314,282 km (0.118 R)
• M24: 19,775,941 km (0.112 R)
• M25: 21,613,900 km (0.073 R)
• M26: 21,778,907 km (0.063 R)
• M27: 21,944,811 km (0.109 R)
• M28: 23,388,729 km (0.046 R)
• M29: 24,624,558 km (0.109 R)
• M30: 25,625,517 km (0.102 R)
• M31: 26,938,238 km (0.117 R)
• M32: 32,099,664 km (0.112 R)
• M33: 36,580,868 km (0.094 R)
• M34: 37,524,531 km (0.1 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: 318 - 11,668 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit