🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.45 AU - 0.65 AU

Year: 152 Days

Day: 21.5 Hours

Environment

Temp: 219 °C

Axial Tilt: 9.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 103,191,771 km

• M1: 46,525 km (0.044 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.71 AU - 1.13 AU

Year: 329 Days

Day: 28.2 Hours

Environment

Temp: 36 °C

Axial Tilt: 25.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 103,191,771 km

• M1: 38,147 km (0.1 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.77 AU - 3.11 AU

Year: 1879 Days

Day: 22.8 Hours

Environment

Temp: -107 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 103,191,771 km

• M1: 198,068 km (0.07 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.08 AU - 4.6 AU

Year: 2805 Days

Day: 23.5 Hours

Environment

Temp: -130 °C

Axial Tilt: 1.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.31 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.8

Radius: 12.6

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.73 AU - 4.81 AU

Year: 3884 Days

Day: 9.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 103,191,771 km

• M1: 156,779 km (0.073 R)
• M2: 549,623 km (0.107 R)
• M3: 1,229,395 km (0.119 R)
• M4: 2,223,174 km (0.12 R)
• M5: 3,096,676 km (0.107 R)
• M6: 4,368,557 km (0.096 R)
• M7: 6,798,176 km (0.035 R)
• M8: 7,441,447 km (0.115 R)
• M9: 9,190,246 km (0.094 R)
• M10: 9,617,946 km (0.09 R)
• M11: 10,346,488 km (0.096 R)
• M12: 10,938,297 km (0.111 R)
• M13: 12,376,082 km (0.084 R)
• M14: 13,238,215 km (0.098 R)
• M15: 13,835,110 km (0.092 R)
• M16: 15,029,051 km (0.103 R)
• M17: 19,720,291 km (0.108 R)
• M18: 20,499,247 km (0.103 R)
• M19: 21,164,060 km (0.082 R)
• M20: 21,774,568 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.4

Radius: 9.1

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 6.21 AU - 7.21 AU

Year: 6479 Days

Day: 12 Hours

Environment

Temp: -161 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 103,191,771 km

• M1: 113,246 km (0.088 R)
• M2: 527,332 km (0.076 R)
• M3: 1,051,224 km (0.108 R)
• M4: 2,320,562 km (0.087 R)
• M5: 2,808,251 km (0.047 R)
• M6: 3,217,701 km (0.069 R)
• M7: 3,802,329 km (0.079 R)
• M8: 4,354,944 km (0.099 R)
• M9: 6,176,597 km (0.093 R)
• M10: 6,871,778 km (0.103 R)
• M11: 9,526,093 km (0.059 R)
• M12: 10,590,781 km (0.118 R)
• M13: 12,641,768 km (0.058 R)
• M14: 13,981,118 km (0.091 R)
• M15: 16,751,222 km (0.119 R)
• M16: 17,256,713 km (0.113 R)
• M17: 19,657,908 km (0.071 R)
• M18: 21,011,021 km (0.089 R)
• M19: 23,428,822 km (0.119 R)
• M20: 25,858,590 km (0.09 R)
• M21: 29,261,792 km (0.104 R)
• M22: 31,212,698 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.4

Radius: 14.9

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 10.42 AU - 10.44 AU

Year: 12557 Days

Day: 13.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 103,191,771 km

• M1: 185,352 km (0.065 R)
• M2: 723,007 km (0.05 R)
• M3: 1,351,617 km (0.049 R)
• M4: 1,835,865 km (0.104 R)
• M5: 2,304,106 km (0.08 R)
• M6: 3,125,548 km (0.058 R)
• M7: 4,309,017 km (0.079 R)
• M8: 5,119,239 km (0.096 R)
• M9: 5,955,342 km (0.09 R)
• M10: 7,336,579 km (0.057 R)
• M11: 8,035,201 km (0.087 R)
• M12: 8,777,805 km (0.065 R)
• M13: 10,029,789 km (0.105 R)
• M14: 11,744,031 km (0.05 R)
• M15: 14,909,672 km (0.05 R)
• M16: 16,615,237 km (0.08 R)
• M17: 17,668,406 km (0.108 R)
• M18: 19,824,859 km (0.065 R)
• M19: 26,225,255 km (0.113 R)
• M20: 30,662,328 km (0.083 R)
• M21: 34,122,377 km (0.097 R)
• M22: 34,602,735 km (0.118 R)
• M23: 37,071,848 km (0.112 R)
• M24: 44,465,125 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 46.4

Radius: 6.8

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 14.38 AU - 16.62 AU

Year: 22748 Days

Day: 23.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 103,191,771 km

• M1: 84,672 km (0.117 R)
• M2: 778,059 km (0.067 R)
• M3: 1,352,066 km (0.103 R)
• M4: 1,567,486 km (0.095 R)
• M5: 1,890,917 km (0.092 R)
• M6: 4,935,084 km (0.08 R)
• M7: 11,063,361 km (0.036 R)
• M8: 13,470,540 km (0.112 R)
• M9: 15,898,963 km (0.064 R)
• M10: 27,376,710 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 992.3

Radius: 4

Gravity: 62.02 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 16.11 AU - 17.99 AU

Year: 26245 Days

Day: 15.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 103,191,771 km

• M1: 51,611 km (0.047 R)
• M2: 241,750 km (0.075 R)
• M3: 390,899 km (0.087 R)
• M4: 862,581 km (0.111 R)
• M5: 1,566,589 km (0.119 R)
• M6: 2,148,375 km (0.085 R)
• M7: 2,338,215 km (0.12 R)
• M8: 2,834,580 km (0.099 R)
• M9: 3,004,972 km (0.106 R)
• M10: 3,493,260 km (0.091 R)
• M11: 4,285,081 km (0.051 R)
• M12: 4,586,671 km (0.113 R)
• M13: 5,576,410 km (0.034 R)
• M14: 8,250,323 km (0.12 R)
• M15: 8,539,645 km (0.045 R)
• M16: 9,511,433 km (0.091 R)
• M17: 10,353,369 km (0.071 R)
• M18: 11,173,615 km (0.105 R)
• M19: 11,385,296 km (0.084 R)
• M20: 12,184,298 km (0.111 R)
• M21: 12,408,545 km (0.091 R)
• M22: 14,302,753 km (0.103 R)
• M23: 15,843,910 km (0.028 R)
• M24: 17,492,329 km (0.045 R)
• M25: 19,050,541 km (0.09 R)
• M26: 21,340,884 km (0.111 R)
• M27: 23,231,502 km (0.081 R)
• M28: 26,835,165 km (0.093 R)
• M29: 27,855,423 km (0.084 R)
• M30: 31,210,155 km (0.083 R)
• M31: 32,911,980 km (0.113 R)
• M32: 34,376,693 km (0.049 R)
• M33: 35,125,131 km (0.079 R)
• M34: 38,068,021 km (0.072 R)
• M35: 41,676,172 km (0.113 R)
• M36: 43,388,918 km (0.082 R)
• M37: 49,184,489 km (0.102 R)
• M38: 49,562,971 km (0.12 R)
• M39: 50,325,621 km (0.114 R)
• M40: 54,863,673 km (0.111 R)
• M41: 62,059,929 km (0.11 R)
• M42: 64,516,176 km (0.063 R)
• M43: 69,384,091 km (0.103 R)
• M44: 70,818,435 km (0.11 R)
• M45: 77,518,625 km (0.116 R)
• M46: 79,322,177 km (0.068 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 19,531 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit