🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.53 AU - 0.57 AU

Year: 156 Days

Day: 14.1 Hours

Environment

Temp: 173 °C

Axial Tilt: 82.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 68,801,657 km

• M1: 112,797 km (0.111 R)
• M2: 370,853 km (0.086 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.54 AU - 0.76 AU

Year: 201 Days

Day: 23.6 Hours

Environment

Temp: 166 °C

Axial Tilt: 18.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 68,801,657 km

• M1: 32,612 km (0.071 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.73 AU - 0.73 AU

Year: 239 Days

Day: 16 Hours

Environment

Temp: 172 °C

Axial Tilt: 6.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.8 AU - 0.92 AU

Year: 305 Days

Day: 26.8 Hours

Environment

Temp: 31 °C

Axial Tilt: 4.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.94 AU - 1.14 AU

Year: 406 Days

Day: 28.2 Hours

Environment

Temp: 14 °C

Axial Tilt: 23.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.33 AU - 2.71 AU

Year: 1532 Days

Day: 39.9 Hours

Environment

Temp: -98 °C

Axial Tilt: 8.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.9

Radius: 8.3

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.48 AU - 4.92 AU

Year: 3296 Days

Day: 5.1 Hours

Environment

Temp: -128 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,801,657 km

• M1: 103,372 km (0.108 R)
• M2: 620,083 km (0.072 R)
• M3: 1,008,589 km (0.117 R)
• M4: 1,472,043 km (0.059 R)
• M5: 2,020,170 km (0.071 R)
• M6: 2,286,005 km (0.086 R)
• M7: 2,922,095 km (0.094 R)
• M8: 3,264,076 km (0.085 R)
• M9: 4,111,548 km (0.09 R)
• M10: 4,409,996 km (0.115 R)
• M11: 5,098,445 km (0.084 R)
• M12: 5,751,440 km (0.111 R)
• M13: 8,446,894 km (0.098 R)
• M14: 9,323,837 km (0.119 R)
• M15: 10,144,531 km (0.026 R)
• M16: 10,493,991 km (0.101 R)
• M17: 12,583,126 km (0.086 R)
• M18: 12,896,234 km (0.048 R)
• M19: 13,260,505 km (0.083 R)
• M20: 14,736,886 km (0.041 R)
• M21: 15,336,923 km (0.081 R)
• M22: 16,425,846 km (0.088 R)
• M23: 16,746,285 km (0.038 R)
• M24: 18,013,229 km (0.107 R)
• M25: 19,224,822 km (0.084 R)
• M26: 19,760,233 km (0.116 R)
• M27: 20,305,817 km (0.036 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.4

Radius: 11.6

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.48 AU - 6.76 AU

Year: 5101 Days

Day: 12.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,801,657 km

• M1: 144,212 km (0.084 R)
• M2: 516,861 km (0.084 R)
• M3: 1,014,722 km (0.098 R)
• M4: 1,626,877 km (0.077 R)
• M5: 2,024,957 km (0.051 R)
• M6: 2,401,943 km (0.095 R)
• M7: 2,794,189 km (0.116 R)
• M8: 3,282,476 km (0.049 R)
• M9: 3,690,579 km (0.069 R)
• M10: 4,237,808 km (0.109 R)
• M11: 5,521,209 km (0.037 R)
• M12: 6,378,554 km (0.033 R)
• M13: 8,357,285 km (0.061 R)
• M14: 9,304,090 km (0.111 R)
• M15: 10,088,731 km (0.107 R)
• M16: 10,957,595 km (0.047 R)
• M17: 11,368,690 km (0.05 R)
• M18: 14,689,613 km (0.079 R)
• M19: 16,490,921 km (0.116 R)
• M20: 17,086,171 km (0.098 R)
• M21: 18,205,313 km (0.04 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.2

Radius: 8.3

Gravity: 11.8 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 5.04 AU - 6.28 AU

Year: 5156 Days

Day: 8.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,801,657 km

• M1: 103,372 km (0.081 R)
• M2: 363,523 km (0.093 R)
• M3: 661,821 km (0.076 R)
• M4: 999,164 km (0.08 R)
• M5: 2,394,763 km (0.114 R)
• M6: 2,931,370 km (0.035 R)
• M7: 3,611,592 km (0.051 R)
• M8: 4,096,738 km (0.089 R)
• M9: 5,140,632 km (0.095 R)
• M10: 5,486,053 km (0.113 R)
• M11: 8,007,076 km (0.087 R)
• M12: 8,276,203 km (0.116 R)
• M13: 10,063,449 km (0.065 R)
• M14: 10,604,993 km (0.05 R)
• M15: 11,648,139 km (0.117 R)
• M16: 13,662,923 km (0.055 R)
• M17: 15,839,423 km (0.056 R)
• M18: 21,011,619 km (0.11 R)
• M19: 23,036,127 km (0.077 R)
• M20: 26,950,356 km (0.094 R)
• M21: 27,905,987 km (0.066 R)
• M22: 29,976,870 km (0.104 R)
• M23: 31,191,605 km (0.049 R)
• M24: 31,955,302 km (0.047 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 867.2

Radius: 6.8

Gravity: 18.75 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 10.33 AU - 13.03 AU

Year: 15284 Days

Day: 20.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 68,801,657 km

• M1: 85,570 km (0.104 R)
• M2: 335,548 km (0.058 R)
• M3: 570,865 km (0.108 R)
• M4: 867,368 km (0.107 R)
• M5: 1,334,563 km (0.115 R)
• M6: 1,795,474 km (0.086 R)
• M7: 3,593,640 km (0.112 R)
• M8: 4,255,611 km (0.097 R)
• M9: 4,683,311 km (0.075 R)
• M10: 6,180,935 km (0.062 R)
• M11: 6,472,501 km (0.052 R)
• M12: 9,580,397 km (0.059 R)
• M13: 10,142,287 km (0.083 R)
• M14: 10,666,328 km (0.068 R)
• M15: 11,025,662 km (0.084 R)
• M16: 12,610,652 km (0.094 R)
• M17: 13,012,472 km (0.12 R)
• M18: 14,632,617 km (0.072 R)
• M19: 16,382,612 km (0.087 R)
• M20: 17,596,450 km (0.072 R)
• M21: 20,844,818 km (0.093 R)
• M22: 21,596,248 km (0.104 R)
• M23: 21,978,620 km (0.112 R)
• M24: 23,153,113 km (0.082 R)
• M25: 26,162,872 km (0.098 R)
• M26: 26,488,397 km (0.117 R)
• M27: 30,012,175 km (0.096 R)
• M28: 36,065,354 km (0.032 R)
• M29: 41,105,007 km (0.094 R)
• M30: 44,559,222 km (0.086 R)
• M31: 45,491,217 km (0.099 R)
• M32: 45,804,774 km (0.089 R)
• M33: 51,018,858 km (0.037 R)
• M34: 51,527,042 km (0.104 R)
• M35: 52,209,956 km (0.08 R)
• M36: 55,179,474 km (0.103 R)
• M37: 56,615,165 km (0.058 R)
• M38: 62,413,728 km (0.094 R)
• M39: 64,562,701 km (0.07 R)
• M40: 66,156,367 km (0.093 R)
• M41: 66,962,999 km (0.055 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 16,116 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit