🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.53 AU - 0.57 AU

Year: 143 Days

Day: 46.4 Hours

Environment

Temp: 208 °C

Axial Tilt: 14.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 61,852,350 km

• M1: 364,720 km (0.056 R)
• M2: 386,860 km (0.094 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.48 AU - 0.72 AU

Year: 163 Days

Day: 22.2 Hours

Environment

Temp: 231 °C

Axial Tilt: 81.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.74 AU - 1.08 AU

Year: 304 Days

Day: 36.3 Hours

Environment

Temp: 115 °C

Axial Tilt: 170.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.74 AU - 1.12 AU

Year: 314 Days

Day: 33.6 Hours

Environment

Temp: 170 °C

Axial Tilt: 10.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 61,852,350 km

• M1: 478,414 km (0.043 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.07 AU - 1.33 AU

Year: 460 Days

Day: 44.5 Hours

Environment

Temp: 28 °C

Axial Tilt: 172.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.33 AU - 1.57 AU

Year: 611 Days

Day: 45.1 Hours

Environment

Temp: 6 °C

Axial Tilt: 21.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 61,852,350 km

• M1: 717,023 km (0.108 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.62 AU - 5.66 AU

Year: 3497 Days

Day: 38.6 Hours

Environment

Temp: -116 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.87 AU - 6.19 AU

Year: 4550 Days

Day: 48 Hours

Environment

Temp: -129 °C

Axial Tilt: 25.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Gas Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.4

Radius: 13.6

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 6.03 AU - 8.23 AU

Year: 6661 Days

Day: 12.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 61,852,350 km

• M1: 170,392 km (0.109 R)
• M2: 319,242 km (0.109 R)
• M3: 445,054 km (0.056 R)
• M4: 567,574 km (0.085 R)
• M5: 777,610 km (0.093 R)
• M6: 1,602,642 km (0.098 R)
• M7: 1,806,245 km (0.082 R)
• M8: 1,932,655 km (0.073 R)
• M9: 2,106,039 km (0.078 R)
• M10: 2,217,190 km (0.033 R)
• M11: 2,729,862 km (0.091 R)
• M12: 3,305,066 km (0.073 R)
• M13: 3,647,046 km (0.105 R)
• M14: 3,808,762 km (0.101 R)
• M15: 4,195,622 km (0.102 R)
• M16: 4,770,227 km (0.07 R)
• M17: 5,127,168 km (0.062 R)
• M18: 5,492,785 km (0.119 R)
• M19: 5,616,652 km (0.1 R)
• M20: 5,772,683 km (0.075 R)
• M21: 6,838,867 km (0.118 R)
• M22: 7,241,734 km (0.089 R)
• M23: 7,686,937 km (0.107 R)
• M24: 7,860,471 km (0.109 R)
• M25: 8,318,090 km (0.09 R)
• M26: 9,002,351 km (0.03 R)
• M27: 9,443,964 km (0.118 R)
• M28: 9,667,463 km (0.101 R)
• M29: 10,043,851 km (0.061 R)
• M30: 10,656,156 km (0.1 R)
• M31: 11,241,233 km (0.032 R)
• M32: 11,517,839 km (0.107 R)
• M33: 11,957,208 km (0.074 R)
• M34: 12,361,272 km (0.096 R)
• M35: 12,975,970 km (0.12 R)
• M36: 13,307,927 km (0.089 R)
• M37: 13,474,879 km (0.116 R)
• M38: 14,879,303 km (0.072 R)
• M39: 15,270,352 km (0.104 R)
• M40: 15,445,232 km (0.076 R)
• M41: 15,576,878 km (0.116 R)
• M42: 16,688,390 km (0.063 R)
• M43: 17,276,460 km (0.114 R)
• M44: 17,825,334 km (0.081 R)
• M45: 18,565,993 km (0.074 R)
• M46: 18,987,111 km (0.032 R)
• M47: 19,553,489 km (0.116 R)
• M48: 20,509,868 km (0.057 R)
• M49: 20,606,359 km (0.08 R)
• M50: 20,799,789 km (0.083 R)
• M51: 20,993,817 km (0.099 R)
• M52: 21,530,425 km (0.049 R)
• M53: 21,923,568 km (0.071 R)
• M54: 22,319,105 km (0.082 R)
• M55: 23,874,025 km (0.096 R)
• M56: 24,434,269 km (0.083 R)
• M57: 25,567,473 km (0.031 R)
• M58: 26,140,582 km (0.075 R)
• M59: 26,297,660 km (0.033 R)
• M60: 27,618,460 km (0.058 R)
• M61: 27,831,786 km (0.075 R)
• M62: 27,938,599 km (0.063 R)
• M63: 28,152,823 km (0.057 R)
• M64: 30,269,334 km (0.11 R)
• M65: 31,152,410 km (0.047 R)
• M66: 32,156,062 km (0.053 R)
• M67: 32,324,360 km (0.119 R)
• M68: 32,549,206 km (0.104 R)
• M69: 33,170,336 km (0.093 R)
• M70: 34,023,493 km (0.11 R)
• M71: 34,137,785 km (0.091 R)
• M72: 34,596,303 km (0.104 R)
• M73: 34,768,789 km (0.113 R)
• M74: 35,984,122 km (0.096 R)
• M75: 36,919,408 km (0.117 R)
• M76: 37,154,426 km (0.111 R)
• M77: 37,390,043 km (0.085 R)
• M78: 37,921,863 km (0.1 R)
• M79: 38,993,134 km (0.115 R)
• M80: 39,292,479 km (0.101 R)
• M81: 40,013,990 km (0.03 R)

Planet 10 - Gas Giant

Semi-Major Axis: 10.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.5

Radius: 10.4

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 10.21 AU - 11.63 AU

Year: 12624 Days

Day: 7.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 61,852,350 km

• M1: 191,036 km (0.045 R)
• M2: 290,968 km (0.111 R)
• M3: 358,885 km (0.064 R)
• M4: 434,133 km (0.102 R)
• M5: 516,262 km (0.105 R)
• M6: 660,624 km (0.069 R)
• M7: 1,036,414 km (0.059 R)
• M8: 1,105,379 km (0.12 R)
• M9: 1,175,839 km (0.035 R)
• M10: 1,578,706 km (0.053 R)
• M11: 1,879,847 km (0.113 R)
• M12: 2,631,277 km (0.09 R)
• M13: 2,922,843 km (0.101 R)
• M14: 3,823,273 km (0.107 R)
• M15: 4,803,737 km (0.05 R)
• M16: 4,882,276 km (0.108 R)
• M17: 4,961,264 km (0.108 R)
• M18: 5,241,161 km (0.096 R)
• M19: 6,239,727 km (0.089 R)
• M20: 6,849,039 km (0.104 R)
• M21: 6,982,032 km (0.066 R)
• M22: 7,071,342 km (0.097 R)
• M23: 7,984,038 km (0.084 R)
• M24: 8,077,387 km (0.044 R)
• M25: 9,968,753 km (0.099 R)
• M26: 11,565,262 km (0.047 R)
• M27: 12,258,199 km (0.103 R)
• M28: 13,964,512 km (0.103 R)
• M29: 14,416,896 km (0.118 R)
• M30: 15,104,448 km (0.109 R)
• M31: 15,336,026 km (0.085 R)
• M32: 15,627,143 km (0.112 R)
• M33: 16,690,335 km (0.116 R)
• M34: 17,110,107 km (0.081 R)
• M35: 17,291,120 km (0.116 R)
• M36: 19,010,598 km (0.076 R)
• M37: 20,848,258 km (0.114 R)
• M38: 21,560,045 km (0.107 R)
• M39: 23,074,125 km (0.082 R)
• M40: 23,541,619 km (0.08 R)
• M41: 23,608,638 km (0.046 R)
• M42: 24,079,872 km (0.07 R)
• M43: 24,418,262 km (0.096 R)
• M44: 24,486,179 km (0.06 R)
• M45: 24,690,231 km (0.056 R)
• M46: 24,894,731 km (0.109 R)
• M47: 25,787,831 km (0.101 R)
• M48: 29,535,706 km (0.092 R)
• M49: 30,189,000 km (0.115 R)
• M50: 30,920,234 km (0.12 R)
• M51: 32,251,356 km (0.101 R)
• M52: 32,849,000 km (0.09 R)
• M53: 33,224,341 km (0.107 R)
• M54: 33,903,665 km (0.064 R)
• M55: 34,587,476 km (0.053 R)
• M56: 37,289,812 km (0.063 R)
• M57: 37,916,927 km (0.089 R)
• M58: 39,181,777 km (0.089 R)
• M59: 39,420,535 km (0.098 R)
• M60: 39,579,857 km (0.095 R)
• M61: 39,819,363 km (0.05 R)
• M62: 40,621,207 km (0.061 R)
• M63: 42,812,517 km (0.065 R)
• M64: 44,377,610 km (0.099 R)
• M65: 45,208,776 km (0.089 R)
• M66: 46,045,177 km (0.113 R)
• M67: 46,213,026 km (0.09 R)
• M68: 46,381,025 km (0.089 R)
• M69: 46,717,919 km (0.075 R)
• M70: 47,309,130 km (0.096 R)
• M71: 48,499,330 km (0.113 R)
• M72: 48,584,601 km (0.109 R)
• M73: 49,183,741 km (0.106 R)
• M74: 50,389,200 km (0.115 R)
• M75: 51,169,353 km (0.109 R)
• M76: 51,430,252 km (0.092 R)
• M77: 51,953,545 km (0.119 R)
• M78: 52,741,627 km (0.093 R)
• M79: 53,886,948 km (0.101 R)
• M80: 54,684,604 km (0.119 R)
• M81: 55,933,297 km (0.078 R)
• M82: 56,022,757 km (0.039 R)
• M83: 57,011,001 km (0.095 R)
• M84: 58,004,929 km (0.116 R)
• M85: 58,640,421 km (0.111 R)
• M86: 60,285,100 km (0.115 R)
• M87: 61,205,426 km (0.069 R)

Kuiper Belt

Range: 31.4 - 49.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 323 - 17,896 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit