🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.41 AU - 0.67 AU

Year: 145 Days

Day: 12.9 Hours

Environment

Temp: 155 °C

Axial Tilt: 0.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.54 AU - 0.78 AU

Year: 196 Days

Day: 35.8 Hours

Environment

Temp: 216 °C

Axial Tilt: 33 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 100,985,619 km

• M1: 22,739 km (0.065 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.7 AU - 1.02 AU

Year: 291 Days

Day: 12.7 Hours

Environment

Temp: 93 °C

Axial Tilt: 28.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 100,985,619 km

• M1: 563,685 km (0.064 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.48 AU - 1.52 AU

Year: 671 Days

Day: 27.4 Hours

Environment

Temp: -26 °C

Axial Tilt: 20 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 100,985,619 km

• M1: 594,502 km (0.049 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.79 AU - 1.91 AU

Year: 919 Days

Day: 28.1 Hours

Environment

Temp: -50 °C

Axial Tilt: 6.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 100,985,619 km

• M1: 144,362 km (0.114 R)
• M2: 453,132 km (0.082 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.63 AU - 2.61 AU

Year: 1127 Days

Day: 33 Hours

Environment

Temp: -77 °C

Axial Tilt: 161.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 100,985,619 km

• M1: 514,617 km (0.099 R)
• M2: 1,166,415 km (0.102 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.24 AU - 4.8 AU

Year: 2944 Days

Day: 34.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 70.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.3

Radius: 9.3

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.82 AU - 9.68 AU

Year: 9454 Days

Day: 6.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 100,985,619 km

• M1: 231,877 km (0.069 R)
• M2: 329,265 km (0.035 R)
• M3: 391,198 km (0.097 R)
• M4: 622,028 km (0.112 R)
• M5: 703,110 km (0.114 R)
• M6: 913,445 km (0.099 R)
• M7: 1,065,286 km (0.063 R)
• M8: 1,184,666 km (0.114 R)
• M9: 1,351,168 km (0.114 R)
• M10: 1,824,496 km (0.085 R)
• M11: 1,993,242 km (0.108 R)
• M12: 2,346,293 km (0.037 R)
• M13: 2,424,682 km (0.102 R)
• M14: 3,313,294 km (0.109 R)
• M15: 3,490,268 km (0.068 R)
• M16: 3,549,957 km (0.086 R)
• M17: 3,792,456 km (0.099 R)
• M18: 4,103,021 km (0.095 R)
• M19: 4,486,590 km (0.1 R)
• M20: 4,715,774 km (0.117 R)
• M21: 5,117,594 km (0.074 R)
• M22: 5,288,285 km (0.103 R)
• M23: 5,460,921 km (0.046 R)
• M24: 5,705,812 km (0.08 R)
• M25: 6,351,776 km (0.064 R)
• M26: 7,595,682 km (0.079 R)
• M27: 7,829,803 km (0.092 R)
• M28: 7,987,180 km (0.105 R)
• M29: 8,385,409 km (0.11 R)
• M30: 8,506,135 km (0.114 R)
• M31: 8,586,918 km (0.099 R)
• M32: 8,830,912 km (0.073 R)
• M33: 8,994,871 km (0.071 R)
• M34: 9,787,141 km (0.087 R)
• M35: 9,914,300 km (0.099 R)
• M36: 11,039,276 km (0.073 R)
• M37: 12,204,344 km (0.106 R)
• M38: 12,616,636 km (0.072 R)
• M39: 13,408,008 km (0.101 R)
• M40: 13,502,255 km (0.082 R)
• M41: 13,643,924 km (0.115 R)
• M42: 14,024,052 km (0.118 R)
• M43: 14,649,222 km (0.075 R)
• M44: 16,377,376 km (0.085 R)
• M45: 16,984,594 km (0.112 R)
• M46: 17,342,283 km (0.112 R)
• M47: 18,430,009 km (0.084 R)
• M48: 19,167,526 km (0.064 R)
• M49: 19,273,591 km (0.1 R)
• M50: 20,508,222 km (0.113 R)
• M51: 20,671,135 km (0.09 R)
• M52: 21,547,329 km (0.097 R)
• M53: 22,156,791 km (0.076 R)
• M54: 22,940,534 km (0.113 R)
• M55: 23,279,224 km (0.086 R)
• M56: 24,305,316 km (0.034 R)
• M57: 24,766,077 km (0.061 R)
• M58: 24,881,716 km (0.069 R)
• M59: 25,462,605 km (0.12 R)
• M60: 26,756,178 km (0.036 R)
• M61: 28,918,914 km (0.077 R)
• M62: 30,082,785 km (0.084 R)
• M63: 30,144,420 km (0.098 R)
• M64: 31,199,534 km (0.116 R)
• M65: 31,762,919 km (0.116 R)
• M66: 32,392,876 km (0.1 R)
• M67: 32,646,145 km (0.064 R)
• M68: 32,772,854 km (0.12 R)
• M69: 32,963,442 km (0.11 R)
• M70: 33,537,299 km (0.101 R)
• M71: 34,307,579 km (0.119 R)
• M72: 34,565,635 km (0.072 R)
• M73: 34,889,066 km (0.097 R)
• M74: 35,539,069 km (0.113 R)
• M75: 38,915,642 km (0.041 R)
• M76: 39,050,131 km (0.104 R)
• M77: 39,252,088 km (0.069 R)
• M78: 39,387,025 km (0.03 R)
• M79: 39,927,971 km (0.079 R)
• M80: 40,267,408 km (0.106 R)
• M81: 40,471,460 km (0.102 R)
• M82: 40,744,177 km (0.118 R)
• M83: 40,949,126 km (0.086 R)
• M84: 41,359,922 km (0.106 R)
• M85: 42,669,950 km (0.095 R)
• M86: 43,086,431 km (0.058 R)
• M87: 44,765,966 km (0.12 R)
• M88: 45,330,548 km (0.043 R)
• M89: 46,966,850 km (0.114 R)
• M90: 48,116,659 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 837.2

Radius: 5

Gravity: 33.49 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 16.27 AU - 19.53 AU

Year: 27661 Days

Day: 16.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 100,985,619 km

• M1: 229,334 km (0.099 R)
• M2: 266,434 km (0.093 R)
• M3: 723,007 km (0.063 R)
• M4: 962,064 km (0.063 R)
• M5: 1,156,840 km (0.032 R)
• M6: 1,293,573 km (0.104 R)
• M7: 2,741,830 km (0.084 R)
• M8: 3,301,625 km (0.089 R)
• M9: 3,495,953 km (0.073 R)
• M10: 3,545,170 km (0.06 R)
• M11: 4,629,905 km (0.059 R)
• M12: 5,068,226 km (0.087 R)
• M13: 7,073,885 km (0.103 R)
• M14: 7,198,650 km (0.084 R)
• M15: 8,092,796 km (0.109 R)
• M16: 8,354,592 km (0.114 R)
• M17: 11,194,409 km (0.113 R)
• M18: 11,339,967 km (0.07 R)
• M19: 12,677,672 km (0.073 R)
• M20: 13,442,117 km (0.095 R)
• M21: 14,300,060 km (0.102 R)
• M22: 14,935,103 km (0.072 R)
• M23: 15,741,885 km (0.11 R)
• M24: 16,314,994 km (0.07 R)
• M25: 18,245,704 km (0.115 R)
• M26: 18,674,901 km (0.062 R)
• M27: 18,934,004 km (0.04 R)
• M28: 19,368,436 km (0.095 R)
• M29: 21,318,893 km (0.103 R)
• M30: 21,680,172 km (0.092 R)
• M31: 22,225,905 km (0.089 R)
• M32: 23,145,633 km (0.105 R)
• M33: 23,890,182 km (0.107 R)
• M34: 24,359,470 km (0.116 R)
• M35: 26,654,451 km (0.076 R)
• M36: 28,618,821 km (0.094 R)
• M37: 28,718,303 km (0.059 R)
• M38: 29,719,113 km (0.061 R)
• M39: 32,063,760 km (0.077 R)
• M40: 32,477,548 km (0.083 R)
• M41: 33,310,509 km (0.089 R)
• M42: 34,255,968 km (0.106 R)
• M43: 36,388,186 km (0.109 R)
• M44: 37,036,244 km (0.118 R)
• M45: 37,361,619 km (0.109 R)
• M46: 38,124,718 km (0.097 R)
• M47: 42,129,304 km (0.047 R)
• M48: 42,242,549 km (0.079 R)
• M49: 42,469,040 km (0.06 R)
• M50: 46,615,744 km (0.113 R)
• M51: 46,732,879 km (0.104 R)
• M52: 47,084,434 km (0.1 R)
• M53: 47,790,386 km (0.06 R)
• M54: 48,855,822 km (0.115 R)
• M55: 49,809,359 km (0.092 R)
• M56: 49,929,037 km (0.085 R)
• M57: 50,288,521 km (0.071 R)
• M58: 50,408,499 km (0.077 R)
• M59: 51,372,058 km (0.046 R)
• M60: 51,734,983 km (0.118 R)
• M61: 52,341,752 km (0.115 R)
• M62: 52,706,920 km (0.095 R)
• M63: 53,317,429 km (0.113 R)
• M64: 53,807,362 km (0.093 R)
• M65: 54,422,060 km (0.115 R)
• M66: 54,792,015 km (0.1 R)
• M67: 55,039,151 km (0.107 R)
• M68: 57,655,917 km (0.053 R)
• M69: 58,032,904 km (0.1 R)
• M70: 64,177,038 km (0.09 R)
• M71: 64,828,836 km (0.085 R)
• M72: 65,220,932 km (0.064 R)
• M73: 66,270,510 km (0.079 R)
• M74: 67,722,657 km (0.116 R)
• M75: 68,120,587 km (0.112 R)
• M76: 68,386,273 km (0.115 R)
• M77: 70,792,854 km (0.112 R)
• M78: 73,771,647 km (0.047 R)
• M79: 73,908,080 km (0.053 R)
• M80: 74,591,144 km (0.091 R)
• M81: 74,865,058 km (0.119 R)
• M82: 76,653,051 km (0.091 R)
• M83: 77,760,375 km (0.101 R)
• M84: 78,594,383 km (0.102 R)
• M85: 84,371,853 km (0.099 R)
• M86: 85,945,024 km (0.029 R)
• M87: 86,519,480 km (0.032 R)
• M88: 87,239,345 km (0.11 R)
• M89: 89,120,388 km (0.086 R)
• M90: 92,040,090 km (0.108 R)
• M91: 93,806,990 km (0.058 R)
• M92: 93,954,793 km (0.117 R)
• M93: 94,842,956 km (0.061 R)
• M94: 95,288,009 km (0.118 R)
• M95: 96,478,360 km (0.069 R)
• M96: 97,224,703 km (0.079 R)
• M97: 100,078,732 km (0.092 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 12,157 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit