🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.45 AU - 0.73 AU

Year: 174 Days

Day: 28.8 Hours

Environment

Temp: 171 °C

Axial Tilt: 22.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 42,544,772 km

• M1: 386,561 km (0.045 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.85 AU - 1.05 AU

Year: 355 Days

Day: 32.1 Hours

Environment

Temp: 11 °C

Axial Tilt: 3.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.93 AU - 1.15 AU

Year: 406 Days

Day: 23.9 Hours

Environment

Temp: 16 °C

Axial Tilt: 18.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.01 AU - 1.55 AU

Year: 554 Days

Day: 37.5 Hours

Environment

Temp: -32 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,544,772 km

• M1: 105,018 km (0.041 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.35 AU - 1.49 AU

Year: 648 Days

Day: 43.9 Hours

Environment

Temp: -51 °C

Axial Tilt: 146 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 42,544,772 km

• M1: 24,684 km (0.034 R)
• M2: 261,796 km (0.115 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.5 AU - 2.06 AU

Year: 909 Days

Day: 27.9 Hours

Environment

Temp: -80 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.87 AU - 2.07 AU

Year: 1059 Days

Day: 33.7 Hours

Environment

Temp: -87 °C

Axial Tilt: 161.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.2 AU - 3.26 AU

Year: 1727 Days

Day: 38.2 Hours

Environment

Temp: -98 °C

Axial Tilt: 7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Gas Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.6

Radius: 9.3

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.73 AU - 6.05 AU

Year: 5473 Days

Day: 11.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 42,544,772 km

• M1: 156,629 km (0.039 R)
• M2: 261,647 km (0.114 R)
• M3: 346,469 km (0.062 R)
• M4: 485,146 km (0.12 R)
• M5: 632,201 km (0.099 R)
• M6: 730,337 km (0.088 R)
• M7: 860,936 km (0.106 R)
• M8: 929,302 km (0.107 R)
• M9: 1,145,920 km (0.099 R)
• M10: 1,395,000 km (0.103 R)
• M11: 1,559,707 km (0.06 R)
• M12: 1,678,787 km (0.109 R)
• M13: 1,748,201 km (0.116 R)
• M14: 1,908,121 km (0.114 R)
• M15: 2,110,228 km (0.098 R)
• M16: 2,635,914 km (0.104 R)
• M17: 2,882,302 km (0.046 R)
• M18: 3,353,685 km (0.116 R)
• M19: 3,620,867 km (0.1 R)
• M20: 3,825,966 km (0.09 R)
• M21: 4,011,467 km (0.109 R)
• M22: 4,105,265 km (0.083 R)
• M23: 4,199,960 km (0.052 R)
• M24: 4,415,531 km (0.111 R)
• M25: 5,008,088 km (0.099 R)
• M26: 5,288,135 km (0.076 R)
• M27: 6,931,917 km (0.069 R)
• M28: 8,089,056 km (0.08 R)
• M29: 8,327,665 km (0.101 R)
• M30: 8,811,763 km (0.087 R)
• M31: 9,026,436 km (0.051 R)
• M32: 9,119,037 km (0.084 R)
• M33: 9,523,849 km (0.084 R)
• M34: 9,807,487 km (0.064 R)
• M35: 10,740,230 km (0.036 R)
• M36: 11,701,246 km (0.107 R)
• M37: 12,005,080 km (0.081 R)
• M38: 12,175,023 km (0.08 R)
• M39: 12,758,754 km (0.047 R)
• M40: 13,106,419 km (0.116 R)
• M41: 13,176,281 km (0.081 R)
• M42: 13,457,226 km (0.074 R)
• M43: 13,846,629 km (0.092 R)
• M44: 13,953,442 km (0.099 R)
• M45: 14,096,458 km (0.05 R)
• M46: 14,168,115 km (0.054 R)
• M47: 15,367,441 km (0.076 R)
• M48: 15,515,094 km (0.094 R)
• M49: 15,997,996 km (0.027 R)
• M50: 16,185,143 km (0.103 R)
• M51: 16,523,683 km (0.046 R)
• M52: 16,674,927 km (0.048 R)
• M53: 17,131,350 km (0.086 R)
• M54: 17,207,794 km (0.111 R)
• M55: 17,399,429 km (0.095 R)
• M56: 17,476,322 km (0.072 R)
• M57: 17,553,365 km (0.094 R)
• M58: 18,251,389 km (0.066 R)
• M59: 19,315,179 km (0.11 R)
• M60: 19,674,364 km (0.04 R)
• M61: 20,116,276 km (0.116 R)
• M62: 20,318,233 km (0.115 R)
• M63: 20,642,711 km (0.111 R)
• M64: 21,009,974 km (0.119 R)
• M65: 21,792,071 km (0.106 R)
• M66: 22,165,917 km (0.085 R)
• M67: 22,583,893 km (0.099 R)
• M68: 23,342,653 km (0.067 R)
• M69: 23,725,175 km (0.083 R)
• M70: 23,895,717 km (0.117 R)
• M71: 24,755,306 km (0.088 R)
• M72: 24,841,774 km (0.1 R)
• M73: 25,058,391 km (0.114 R)
• M74: 25,493,721 km (0.104 R)
• M75: 25,843,780 km (0.103 R)
• M76: 26,637,247 km (0.102 R)
• M77: 27,081,403 km (0.089 R)
• M78: 27,932,316 km (0.043 R)
• M79: 28,157,610 km (0.117 R)
• M80: 28,610,144 km (0.095 R)

Planet 10 - Gas Giant

Semi-Major Axis: 8.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624

Radius: 12.7

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 6.21 AU - 9.91 AU

Year: 8761 Days

Day: 8.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 42,544,772 km

• M1: 159,322 km (0.078 R)
• M2: 549,174 km (0.074 R)
• M3: 1,028,485 km (0.118 R)
• M4: 1,399,039 km (0.114 R)
• M5: 2,260,424 km (0.117 R)
• M6: 2,571,288 km (0.075 R)
• M7: 2,744,523 km (0.074 R)
• M8: 2,947,377 km (0.101 R)
• M9: 3,076,630 km (0.089 R)
• M10: 3,287,563 km (0.104 R)
• M11: 3,807,864 km (0.095 R)
• M12: 3,977,658 km (0.114 R)
• M13: 4,621,527 km (0.1 R)
• M14: 5,141,529 km (0.038 R)
• M15: 5,266,743 km (0.092 R)
• M16: 5,392,854 km (0.049 R)
• M17: 5,680,381 km (0.082 R)
• M18: 6,404,434 km (0.101 R)
• M19: 7,018,534 km (0.074 R)
• M20: 7,262,528 km (0.087 R)
• M21: 7,473,910 km (0.115 R)
• M22: 7,723,140 km (0.088 R)
• M23: 7,866,754 km (0.029 R)
• M24: 8,376,583 km (0.085 R)
• M25: 8,972,282 km (0.051 R)
• M26: 9,275,367 km (0.108 R)
• M27: 9,620,340 km (0.104 R)
• M28: 9,775,024 km (0.097 R)
• M29: 9,969,651 km (0.076 R)
• M30: 10,323,001 km (0.09 R)
• M31: 10,720,632 km (0.11 R)
• M32: 11,244,973 km (0.075 R)
• M33: 11,326,354 km (0.09 R)
• M34: 11,448,875 km (0.1 R)
• M35: 12,026,472 km (0.077 R)
• M36: 12,276,899 km (0.098 R)
• M37: 12,613,494 km (0.116 R)
• M38: 12,825,474 km (0.114 R)
• M39: 12,995,866 km (0.067 R)
• M40: 13,124,221 km (0.12 R)
• M41: 13,990,393 km (0.117 R)
• M42: 14,165,871 km (0.087 R)
• M43: 15,009,304 km (0.119 R)
• M44: 15,324,207 km (0.078 R)
• M45: 16,189,781 km (0.085 R)
• M46: 16,512,763 km (0.074 R)
• M47: 17,118,185 km (0.1 R)
• M48: 17,352,904 km (0.105 R)
• M49: 17,588,820 km (0.112 R)
• M50: 18,446,764 km (0.106 R)
• M51: 18,977,687 km (0.062 R)
• M52: 19,464,927 km (0.075 R)
• M53: 19,611,832 km (0.089 R)
• M54: 19,857,621 km (0.025 R)
• M55: 20,551,007 km (0.025 R)
• M56: 21,151,793 km (0.094 R)
• M57: 21,656,835 km (0.074 R)
• M58: 22,473,191 km (0.105 R)
• M59: 24,136,120 km (0.08 R)
• M60: 24,452,221 km (0.066 R)
• M61: 25,088,760 km (0.078 R)
• M62: 25,302,086 km (0.034 R)
• M63: 26,107,671 km (0.113 R)
• M64: 26,378,144 km (0.09 R)
• M65: 26,540,757 km (0.105 R)
• M66: 27,854,376 km (0.104 R)
• M67: 28,130,683 km (0.067 R)
• M68: 29,413,485 km (0.111 R)
• M69: 29,638,480 km (0.072 R)
• M70: 29,920,621 km (0.104 R)
• M71: 30,658,288 km (0.118 R)
• M72: 32,035,786 km (0.113 R)
• M73: 32,790,357 km (0.115 R)
• M74: 34,080,789 km (0.116 R)
• M75: 34,554,116 km (0.034 R)
• M76: 34,791,528 km (0.067 R)
• M77: 35,507,354 km (0.049 R)
• M78: 35,687,021 km (0.046 R)
• M79: 35,806,998 km (0.108 R)
• M80: 36,771,456 km (0.089 R)
• M81: 38,295,709 km (0.108 R)
• M82: 38,664,617 km (0.067 R)
• M83: 38,849,370 km (0.114 R)
• M84: 39,405,874 km (0.096 R)
• M85: 40,777,088 km (0.119 R)
• M86: 41,090,795 km (0.103 R)
• M87: 41,342,568 km (0.086 R)
• M88: 41,531,510 km (0.047 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 470 - 11,168 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit