🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.6 AU - 0.94 AU

Year: 259 Days

Day: 17.4 Hours

Environment

Temp: 153 °C

Axial Tilt: 35.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 42,251,649 km

• M1: 146,905 km (0.071 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.9 AU - 0.98 AU

Year: 349 Days

Day: 12.8 Hours

Environment

Temp: 9 °C

Axial Tilt: 11 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.33 AU - 1.45 AU

Year: 627 Days

Day: 40.2 Hours

Environment

Temp: -47 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,251,649 km

• M1: 184,305 km (0.025 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.65 AU - 2.91 AU

Year: 1775 Days

Day: 17.3 Hours

Environment

Temp: -108 °C

Axial Tilt: 36.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.52 AU - 3.34 AU

Year: 1920 Days

Day: 39.1 Hours

Environment

Temp: -120 °C

Axial Tilt: 45.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,251,649 km

• M1: 1,180,178 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.6

Radius: 13.7

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.75 AU - 4.61 AU

Year: 3272 Days

Day: 7.4 Hours

Environment

Temp: -129 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 42,251,649 km

• M1: 170,990 km (0.118 R)
• M2: 456,722 km (0.116 R)
• M3: 619,036 km (0.099 R)
• M4: 777,610 km (0.075 R)
• M5: 1,139,188 km (0.067 R)
• M6: 1,285,943 km (0.074 R)
• M7: 1,383,780 km (0.109 R)
• M8: 1,552,975 km (0.116 R)
• M9: 1,717,384 km (0.088 R)
• M10: 1,826,291 km (0.095 R)
• M11: 1,925,175 km (0.071 R)
• M12: 2,141,494 km (0.1 R)
• M13: 2,668,228 km (0.072 R)
• M14: 2,867,342 km (0.117 R)
• M15: 2,983,281 km (0.061 R)
• M16: 3,175,215 km (0.117 R)
• M17: 3,633,882 km (0.033 R)
• M18: 3,823,273 km (0.054 R)
• M19: 3,919,315 km (0.08 R)
• M20: 4,016,104 km (0.111 R)
• M21: 4,278,200 km (0.112 R)
• M22: 4,377,982 km (0.096 R)
• M23: 4,478,661 km (0.111 R)
• M24: 4,665,060 km (0.04 R)
• M25: 4,975,775 km (0.075 R)
• M26: 5,654,052 km (0.076 R)
• M27: 6,191,407 km (0.086 R)
• M28: 6,842,307 km (0.105 R)
• M29: 7,255,347 km (0.043 R)
• M30: 7,394,772 km (0.037 R)
• M31: 7,495,003 km (0.057 R)
• M32: 7,615,878 km (0.11 R)
• M33: 7,737,351 km (0.115 R)
• M34: 7,920,758 km (0.114 R)
• M35: 8,064,522 km (0.033 R)
• M36: 8,229,828 km (0.11 R)
• M37: 9,116,345 km (0.118 R)
• M38: 9,418,532 km (0.07 R)
• M39: 9,812,124 km (0.114 R)
• M40: 9,966,509 km (0.076 R)
• M41: 10,300,412 km (0.117 R)
• M42: 10,502,369 km (0.071 R)
• M43: 10,637,905 km (0.084 R)
• M44: 10,887,733 km (0.062 R)
• M45: 11,093,580 km (0.109 R)
• M46: 11,509,312 km (0.072 R)
• M47: 11,625,699 km (0.111 R)
• M48: 11,719,048 km (0.081 R)
• M49: 11,812,697 km (0.074 R)
• M50: 12,071,501 km (0.104 R)
• M51: 12,883,219 km (0.086 R)
• M52: 13,004,244 km (0.071 R)
• M53: 13,125,418 km (0.048 R)
• M54: 13,222,657 km (0.07 R)
• M55: 13,935,191 km (0.101 R)
• M56: 14,134,007 km (0.047 R)
• M57: 14,258,771 km (0.097 R)
• M58: 14,609,878 km (0.11 R)
• M59: 14,735,989 km (0.034 R)
• M60: 15,397,660 km (0.097 R)
• M61: 15,732,011 km (0.105 R)
• M62: 15,835,533 km (0.115 R)
• M63: 16,565,571 km (0.118 R)
• M64: 16,802,683 km (0.118 R)
• M65: 17,226,793 km (0.095 R)
• M66: 17,413,491 km (0.081 R)
• M67: 17,547,381 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.6

Radius: 11.5

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.72 AU - 5.3 AU

Year: 3667 Days

Day: 12.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 42,251,649 km

• M1: 145,409 km (0.05 R)
• M2: 318,793 km (0.1 R)
• M3: 493,823 km (0.088 R)
• M4: 571,613 km (0.09 R)
• M5: 661,671 km (0.091 R)
• M6: 749,635 km (0.099 R)
• M7: 834,158 km (0.102 R)
• M8: 1,262,008 km (0.118 R)
• M9: 1,336,507 km (0.067 R)
• M10: 1,412,802 km (0.082 R)
• M11: 1,539,811 km (0.081 R)
• M12: 1,722,320 km (0.101 R)
• M13: 1,998,777 km (0.109 R)
• M14: 2,086,741 km (0.077 R)
• M15: 2,164,831 km (0.093 R)
• M16: 2,324,153 km (0.111 R)
• M17: 2,511,150 km (0.073 R)
• M18: 2,813,188 km (0.116 R)
• M19: 2,899,955 km (0.076 R)
• M20: 3,038,034 km (0.1 R)
• M21: 3,204,237 km (0.108 R)
• M22: 3,347,103 km (0.055 R)
• M23: 3,439,255 km (0.082 R)
• M24: 3,830,005 km (0.065 R)
• M25: 3,981,996 km (0.05 R)
• M26: 4,349,259 km (0.113 R)
• M27: 4,610,008 km (0.046 R)
• M28: 4,683,311 km (0.062 R)
• M29: 4,831,114 km (0.101 R)
• M30: 4,920,723 km (0.096 R)
• M31: 5,025,740 km (0.104 R)
• M32: 5,330,322 km (0.085 R)
• M33: 5,422,773 km (0.044 R)
• M34: 5,766,699 km (0.108 R)
• M35: 6,037,471 km (0.104 R)
• M36: 6,361,201 km (0.114 R)
• M37: 6,558,221 km (0.107 R)
• M38: 6,975,300 km (0.116 R)
• M39: 7,521,781 km (0.115 R)
• M40: 8,170,737 km (0.106 R)
• M41: 9,039,451 km (0.079 R)
• M42: 9,372,905 km (0.098 R)
• M43: 9,484,954 km (0.074 R)
• M44: 9,597,302 km (0.106 R)
• M45: 9,994,484 km (0.09 R)
• M46: 10,474,394 km (0.118 R)
• M47: 10,571,334 km (0.11 R)
• M48: 11,139,207 km (0.051 R)
• M49: 11,416,861 km (0.119 R)
• M50: 11,737,000 km (0.049 R)
• M51: 11,857,875 km (0.094 R)
• M52: 12,141,513 km (0.118 R)
• M53: 12,243,239 km (0.094 R)
• M54: 12,653,437 km (0.113 R)
• M55: 12,798,098 km (0.089 R)
• M56: 13,319,147 km (0.078 R)
• M57: 13,550,575 km (0.098 R)
• M58: 13,741,013 km (0.119 R)
• M59: 14,081,648 km (0.08 R)
• M60: 14,295,872 km (0.095 R)
• M61: 14,403,582 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.1

Radius: 9.8

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 6.55 AU - 10.29 AU

Year: 9355 Days

Day: 14 Hours

Environment

Temp: -168 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 42,251,649 km

• M1: 128,804 km (0.084 R)
• M2: 250,128 km (0.107 R)
• M3: 524,041 km (0.083 R)
• M4: 592,856 km (0.105 R)
• M5: 741,108 km (0.045 R)
• M6: 820,096 km (0.093 R)
• M7: 902,075 km (0.067 R)
• M8: 1,093,112 km (0.083 R)
• M9: 1,184,366 km (0.106 R)
• M10: 2,328,790 km (0.047 R)
• M11: 2,569,343 km (0.067 R)
• M12: 2,767,710 km (0.104 R)
• M13: 3,153,374 km (0.082 R)
• M14: 3,366,102 km (0.091 R)
• M15: 3,610,993 km (0.114 R)
• M16: 4,618,236 km (0.09 R)
• M17: 4,829,767 km (0.085 R)
• M18: 5,578,804 km (0.069 R)
• M19: 5,707,159 km (0.106 R)
• M20: 5,771,785 km (0.105 R)
• M21: 6,599,510 km (0.082 R)
• M22: 6,701,237 km (0.104 R)
• M23: 6,837,819 km (0.05 R)
• M24: 7,148,534 km (0.084 R)
• M25: 7,253,253 km (0.029 R)
• M26: 7,358,420 km (0.089 R)
• M27: 7,605,705 km (0.061 R)
• M28: 7,963,693 km (0.117 R)
• M29: 8,696,274 km (0.115 R)
• M30: 10,029,640 km (0.091 R)
• M31: 10,107,730 km (0.109 R)
• M32: 10,186,119 km (0.098 R)
• M33: 10,264,658 km (0.119 R)
• M34: 10,461,828 km (0.107 R)
• M35: 10,660,344 km (0.026 R)
• M36: 10,740,080 km (0.101 R)
• M37: 10,819,965 km (0.107 R)
• M38: 11,425,837 km (0.064 R)
• M39: 11,671,177 km (0.096 R)
• M40: 11,794,595 km (0.117 R)
• M41: 12,543,931 km (0.111 R)
• M42: 13,783,499 km (0.071 R)
• M43: 14,044,846 km (0.11 R)
• M44: 14,749,752 km (0.074 R)
• M45: 15,375,968 km (0.075 R)
• M46: 15,919,607 km (0.045 R)
• M47: 17,777,014 km (0.108 R)
• M48: 19,457,746 km (0.096 R)
• M49: 20,490,420 km (0.087 R)
• M50: 21,591,311 km (0.066 R)
• M51: 21,793,567 km (0.077 R)
• M52: 22,250,888 km (0.072 R)
• M53: 22,455,089 km (0.078 R)
• M54: 25,273,064 km (0.072 R)
• M55: 25,806,979 km (0.112 R)
• M56: 26,831,874 km (0.12 R)
• M57: 26,940,482 km (0.064 R)
• M58: 27,212,750 km (0.096 R)
• M59: 28,035,090 km (0.112 R)
• M60: 29,704,004 km (0.089 R)
• M61: 29,872,750 km (0.072 R)
• M62: 31,863,898 km (0.113 R)
• M63: 32,556,386 km (0.078 R)
• M64: 33,956,323 km (0.078 R)
• M65: 34,427,407 km (0.058 R)
• M66: 35,078,606 km (0.109 R)
• M67: 35,674,006 km (0.081 R)
• M68: 36,212,857 km (0.075 R)
• M69: 37,419,813 km (0.104 R)
• M70: 38,333,706 km (0.055 R)
• M71: 38,640,083 km (0.116 R)
• M72: 39,193,296 km (0.103 R)
• M73: 39,254,930 km (0.084 R)
• M74: 39,501,916 km (0.094 R)
• M75: 39,625,484 km (0.103 R)
• M76: 39,687,418 km (0.119 R)
• M77: 40,183,484 km (0.11 R)
• M78: 41,495,607 km (0.072 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 472 - 13,755 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit