🌌 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: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.49 AU - 0.57 AU

Year: 145 Days

Day: 41.4 Hours

Environment

Temp: 163 °C

Axial Tilt: 17.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 83,607,828 km

• M1: 158,424 km (0.096 R)
• M2: 288,724 km (0.036 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.16 AU - 1.66 AU

Year: 631 Days

Day: 26.5 Hours

Environment

Temp: -41 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.4 AU - 4.56 AU

Year: 2991 Days

Day: 21.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 24.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.4

Radius: 8.4

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 7.31 AU - 9.35 AU

Year: 9057 Days

Day: 14.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 83,607,828 km

• M1: 148,401 km (0.083 R)
• M2: 257,757 km (0.118 R)
• M3: 332,855 km (0.085 R)
• M4: 442,959 km (0.04 R)
• M5: 496,366 km (0.077 R)
• M6: 686,953 km (0.1 R)
• M7: 832,811 km (0.091 R)
• M8: 901,028 km (0.091 R)
• M9: 1,007,242 km (0.085 R)
• M10: 1,193,641 km (0.118 R)
• M11: 1,494,333 km (0.042 R)
• M12: 1,686,118 km (0.118 R)
• M13: 1,908,719 km (0.12 R)
• M14: 1,977,385 km (0.076 R)
• M15: 2,481,230 km (0.108 R)
• M16: 2,786,560 km (0.101 R)
• M17: 3,023,523 km (0.036 R)
• M18: 3,212,465 km (0.088 R)
• M19: 3,573,444 km (0.056 R)
• M20: 3,831,052 km (0.03 R)
• M21: 4,364,368 km (0.049 R)
• M22: 4,921,022 km (0.116 R)
• M23: 5,897,896 km (0.074 R)
• M24: 6,546,852 km (0.084 R)
• M25: 7,326,556 km (0.037 R)
• M26: 7,727,478 km (0.054 R)
• M27: 7,949,032 km (0.1 R)
• M28: 8,135,431 km (0.107 R)
• M29: 8,210,380 km (0.116 R)
• M30: 8,285,478 km (0.111 R)
• M31: 8,360,875 km (0.03 R)
• M32: 9,127,415 km (0.055 R)
• M33: 9,283,445 km (0.075 R)
• M34: 9,558,706 km (0.032 R)
• M35: 10,278,571 km (0.102 R)
• M36: 12,714,473 km (0.111 R)
• M37: 13,107,915 km (0.05 R)
• M38: 13,549,678 km (0.12 R)
• M39: 13,996,227 km (0.096 R)
• M40: 15,041,916 km (0.095 R)
• M41: 15,134,069 km (0.074 R)
• M42: 15,597,373 km (0.113 R)
• M43: 16,206,685 km (0.09 R)
• M44: 16,585,617 km (0.035 R)
• M45: 17,015,262 km (0.118 R)
• M46: 17,159,325 km (0.073 R)
• M47: 17,303,836 km (0.113 R)
• M48: 17,545,586 km (0.066 R)
• M49: 17,934,541 km (0.098 R)
• M50: 18,277,269 km (0.107 R)
• M51: 18,869,827 km (0.03 R)
• M52: 19,068,792 km (0.092 R)
• M53: 19,418,552 km (0.078 R)
• M54: 20,175,218 km (0.044 R)
• M55: 20,787,522 km (0.08 R)
• M56: 21,613,452 km (0.096 R)
• M57: 22,978,233 km (0.088 R)
• M58: 23,190,812 km (0.062 R)
• M59: 23,510,652 km (0.112 R)
• M60: 24,696,065 km (0.04 R)
• M61: 24,913,730 km (0.092 R)
• M62: 25,625,367 km (0.074 R)
• M63: 25,790,523 km (0.079 R)
• M64: 26,900,839 km (0.117 R)
• M65: 27,012,738 km (0.105 R)
• M66: 28,253,652 km (0.034 R)
• M67: 28,766,623 km (0.104 R)
• M68: 29,628,457 km (0.11 R)
• M69: 29,744,096 km (0.057 R)
• M70: 31,259,821 km (0.091 R)
• M71: 31,495,289 km (0.119 R)
• M72: 31,613,172 km (0.076 R)
• M73: 31,849,536 km (0.12 R)
• M74: 32,383,451 km (0.108 R)
• M75: 33,761,098 km (0.066 R)
• M76: 34,669,905 km (0.053 R)
• M77: 35,463,970 km (0.044 R)
• M78: 35,648,125 km (0.108 R)
• M79: 35,709,610 km (0.11 R)
• M80: 35,771,095 km (0.076 R)
• M81: 36,264,169 km (0.064 R)
• M82: 37,756,857 km (0.051 R)
• M83: 39,016,022 km (0.104 R)
• M84: 39,269,591 km (0.106 R)
• M85: 39,396,450 km (0.037 R)
• M86: 39,460,029 km (0.111 R)
• M87: 39,778,223 km (0.103 R)
• M88: 41,446,240 km (0.066 R)
• M89: 41,899,222 km (0.039 R)
• M90: 43,661,934 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.3

Radius: 11.6

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 8.47 AU - 12.13 AU

Year: 12453 Days

Day: 14.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 83,607,828 km

• M1: 362,924 km (0.09 R)
• M2: 501,153 km (0.081 R)
• M3: 1,116,748 km (0.061 R)
• M4: 1,589,926 km (0.05 R)
• M5: 1,760,917 km (0.119 R)
• M6: 1,834,070 km (0.026 R)
• M7: 1,998,777 km (0.101 R)
• M8: 2,572,036 km (0.114 R)
• M9: 3,052,245 km (0.05 R)
• M10: 3,248,667 km (0.047 R)
• M11: 3,729,625 km (0.075 R)
• M12: 3,939,959 km (0.045 R)
• M13: 4,553,610 km (0.056 R)
• M14: 5,028,433 km (0.104 R)
• M15: 5,133,750 km (0.111 R)
• M16: 5,649,713 km (0.049 R)
• M17: 5,891,763 km (0.098 R)
• M18: 7,176,509 km (0.069 R)
• M19: 7,559,180 km (0.09 R)
• M20: 9,492,434 km (0.118 R)
• M21: 9,780,559 km (0.114 R)
• M22: 10,098,305 km (0.108 R)
• M23: 10,771,047 km (0.049 R)
• M24: 11,099,115 km (0.109 R)
• M25: 11,292,096 km (0.111 R)
• M26: 11,569,600 km (0.082 R)
• M27: 11,709,175 km (0.072 R)
• M28: 12,387,152 km (0.12 R)
• M29: 13,106,868 km (0.057 R)
• M30: 13,310,919 km (0.089 R)
• M31: 14,137,298 km (0.074 R)
• M32: 14,858,958 km (0.114 R)
• M33: 16,088,204 km (0.086 R)
• M34: 17,381,926 km (0.062 R)
• M35: 19,600,313 km (0.098 R)
• M36: 19,900,556 km (0.083 R)
• M37: 21,185,003 km (0.098 R)
• M38: 21,527,582 km (0.082 R)
• M39: 22,391,809 km (0.053 R)
• M40: 23,056,323 km (0.082 R)
• M41: 23,196,945 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 391.7

Radius: 4.5

Gravity: 19.34 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 16.76 AU - 20.64 AU

Year: 30464 Days

Day: 19.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 83,607,828 km

• M1: 63,429 km (0.034 R)
• M2: 115,789 km (0.091 R)
• M3: 386,262 km (0.118 R)
• M4: 511,924 km (0.052 R)
• M5: 626,665 km (0.077 R)
• M6: 775,067 km (0.089 R)
• M7: 1,504,955 km (0.109 R)
• M8: 1,537,567 km (0.083 R)
• M9: 1,772,136 km (0.104 R)
• M10: 2,237,087 km (0.06 R)
• M11: 2,274,336 km (0.039 R)
• M12: 2,311,885 km (0.086 R)
• M13: 2,425,580 km (0.096 R)
• M14: 2,777,733 km (0.064 R)
• M15: 4,017,451 km (0.106 R)
• M16: 5,056,258 km (0.083 R)
• M17: 5,303,394 km (0.114 R)
• M18: 6,383,491 km (0.063 R)
• M19: 7,085,254 km (0.098 R)
• M20: 7,641,459 km (0.072 R)
• M21: 8,096,536 km (0.092 R)
• M22: 8,854,548 km (0.077 R)
• M23: 10,064,346 km (0.029 R)
• M24: 10,188,213 km (0.099 R)
• M25: 11,132,774 km (0.067 R)
• M26: 12,568,016 km (0.099 R)
• M27: 13,239,412 km (0.11 R)
• M28: 13,853,660 km (0.106 R)
• M29: 15,822,967 km (0.11 R)
• M30: 18,480,423 km (0.066 R)
• M31: 21,034,807 km (0.108 R)
• M32: 21,990,737 km (0.026 R)
• M33: 24,524,776 km (0.111 R)
• M34: 24,774,903 km (0.099 R)
• M35: 25,025,929 km (0.113 R)
• M36: 25,614,746 km (0.097 R)
• M37: 26,378,443 km (0.072 R)
• M38: 26,977,732 km (0.113 R)
• M39: 27,494,892 km (0.107 R)
• M40: 27,841,510 km (0.114 R)
• M41: 28,451,421 km (0.116 R)
• M42: 29,242,195 km (0.087 R)
• M43: 30,129,310 km (0.116 R)
• M44: 30,486,700 km (0.109 R)
• M45: 30,935,194 km (0.038 R)
• M46: 32,020,826 km (0.1 R)
• M47: 32,476,800 km (0.086 R)
• M48: 33,487,483 km (0.078 R)
• M49: 35,445,420 km (0.103 R)
• M50: 35,728,160 km (0.102 R)
• M51: 36,390,879 km (0.044 R)
• M52: 38,402,970 km (0.088 R)
• M53: 39,373,711 km (0.119 R)
• M54: 40,352,530 km (0.115 R)
• M55: 41,835,793 km (0.098 R)
• M56: 42,534,115 km (0.058 R)
• M57: 45,365,405 km (0.092 R)
• M58: 47,632,261 km (0.114 R)
• M59: 49,724,986 km (0.094 R)
• M60: 51,420,528 km (0.115 R)
• M61: 52,919,648 km (0.087 R)
• M62: 54,216,064 km (0.115 R)
• M63: 55,851,019 km (0.112 R)
• M64: 56,179,984 km (0.104 R)
• M65: 56,399,744 km (0.059 R)
• M66: 56,619,653 km (0.077 R)
• M67: 57,060,368 km (0.079 R)
• M68: 58,723,298 km (0.062 R)
• M69: 59,393,047 km (0.081 R)
• M70: 61,530,053 km (0.114 R)
• M71: 62,210,275 km (0.118 R)
• M72: 62,323,819 km (0.105 R)
• M73: 63,692,341 km (0.12 R)
• M74: 63,806,783 km (0.112 R)
• M75: 64,035,967 km (0.117 R)
• M76: 64,495,232 km (0.083 R)
• M77: 65,416,755 km (0.103 R)
• M78: 65,532,394 km (0.075 R)
• M79: 66,110,889 km (0.045 R)
• M80: 66,342,766 km (0.095 R)
• M81: 69,382,146 km (0.098 R)
• M82: 72,227,647 km (0.052 R)
• M83: 73,544,557 km (0.118 R)
• M84: 74,748,670 km (0.116 R)
• M85: 75,474,220 km (0.083 R)
• M86: 75,595,394 km (0.062 R)
• M87: 76,323,637 km (0.096 R)
• M88: 77,664,931 km (0.119 R)
• M89: 78,768,066 km (0.116 R)
• M90: 79,383,063 km (0.07 R)
• M91: 79,999,855 km (0.108 R)
• M92: 82,108,437 km (0.103 R)
• M93: 82,732,110 km (0.068 R)
• M94: 83,107,003 km (0.091 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: 349 - 11,675 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit