🌌 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: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.41 AU - 0.67 AU

Year: 151 Days

Day: 17.1 Hours

Environment

Temp: 217 °C

Axial Tilt: 5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.29 AU - 1.47 AU

Year: 617 Days

Day: 38.6 Hours

Environment

Temp: -53 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 98,029,751 km

• M1: 54,753 km (0.098 R)
• M2: 835,654 km (0.07 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.81 AU - 2.53 AU

Year: 1217 Days

Day: 16.1 Hours

Environment

Temp: -93 °C

Axial Tilt: 28.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.96 AU - 3.08 AU

Year: 1523 Days

Day: 21.4 Hours

Environment

Temp: -103 °C

Axial Tilt: 2.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 98,029,751 km

• M1: 1,680,882 km (0.103 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.07 AU - 3.63 AU

Year: 2335 Days

Day: 31.4 Hours

Environment

Temp: -115 °C

Axial Tilt: 16.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 98,029,751 km

• M1: 518,207 km (0.098 R)

Asteroid Belt

Center: 4.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.9

Radius: 13.9

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 5.24 AU - 7.56 AU

Year: 6165 Days

Day: 9.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 98,029,751 km

• M1: 176,077 km (0.08 R)
• M2: 265,087 km (0.063 R)
• M3: 444,156 km (0.052 R)
• M4: 531,820 km (0.088 R)
• M5: 639,680 km (0.059 R)
• M6: 940,223 km (0.034 R)
• M7: 1,061,247 km (0.11 R)
• M8: 1,155,943 km (0.114 R)
• M9: 1,253,630 km (0.108 R)
• M10: 1,388,567 km (0.091 R)
• M11: 1,618,948 km (0.036 R)
• M12: 1,805,048 km (0.101 R)
• M13: 1,998,478 km (0.111 R)
• M14: 2,138,053 km (0.118 R)
• M15: 2,512,496 km (0.111 R)
• M16: 2,642,048 km (0.103 R)
• M17: 2,908,033 km (0.088 R)
• M18: 3,206,331 km (0.112 R)
• M19: 3,907,496 km (0.1 R)
• M20: 4,134,885 km (0.067 R)
• M21: 4,314,702 km (0.106 R)
• M22: 4,418,672 km (0.102 R)
• M23: 4,897,086 km (0.095 R)
• M24: 5,032,921 km (0.111 R)
• M25: 5,197,778 km (0.087 R)
• M26: 5,617,550 km (0.115 R)
• M27: 5,759,967 km (0.112 R)
• M28: 6,077,413 km (0.057 R)
• M29: 6,911,721 km (0.092 R)
• M30: 7,561,125 km (0.092 R)
• M31: 8,004,982 km (0.119 R)
• M32: 8,262,440 km (0.115 R)
• M33: 8,621,026 km (0.092 R)
• M34: 9,319,798 km (0.116 R)
• M35: 9,658,936 km (0.111 R)
• M36: 9,761,411 km (0.062 R)
• M37: 10,140,641 km (0.063 R)
• M38: 11,887,795 km (0.112 R)
• M39: 12,218,855 km (0.099 R)
• M40: 13,154,440 km (0.036 R)
• M41: 13,496,869 km (0.065 R)
• M42: 13,649,908 km (0.038 R)
• M43: 14,229,450 km (0.114 R)
• M44: 14,385,331 km (0.081 R)
• M45: 14,502,616 km (0.103 R)
• M46: 14,620,200 km (0.042 R)
• M47: 14,816,921 km (0.082 R)
• M48: 15,612,782 km (0.088 R)
• M49: 15,894,624 km (0.096 R)
• M50: 16,178,112 km (0.077 R)
• M51: 16,504,235 km (0.116 R)
• M52: 17,121,476 km (0.027 R)
• M53: 18,293,875 km (0.106 R)
• M54: 18,804,303 km (0.053 R)
• M55: 18,932,658 km (0.079 R)
• M56: 19,190,265 km (0.087 R)
• M57: 19,969,969 km (0.091 R)
• M58: 21,470,885 km (0.036 R)
• M59: 21,605,074 km (0.119 R)
• M60: 21,829,321 km (0.062 R)
• M61: 22,144,674 km (0.064 R)
• M62: 22,597,656 km (0.079 R)
• M63: 23,008,003 km (0.048 R)
• M64: 24,440,253 km (0.081 R)
• M65: 26,666,269 km (0.106 R)
• M66: 26,858,802 km (0.119 R)
• M67: 27,003,463 km (0.098 R)
• M68: 27,196,743 km (0.026 R)
• M69: 27,536,031 km (0.105 R)
• M70: 27,681,889 km (0.115 R)
• M71: 29,501,747 km (0.108 R)
• M72: 29,750,678 km (0.055 R)
• M73: 30,501,510 km (0.066 R)
• M74: 30,803,698 km (0.095 R)
• M75: 32,277,835 km (0.087 R)
• M76: 33,826,921 km (0.107 R)
• M77: 34,296,509 km (0.077 R)
• M78: 34,505,796 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719.1

Radius: 4.2

Gravity: 40.77 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 12.15 AU - 14.03 AU

Year: 18035 Days

Day: 23.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 98,029,751 km

• M1: 124,316 km (0.074 R)
• M2: 787,184 km (0.099 R)
• M3: 1,007,990 km (0.098 R)
• M4: 1,247,497 km (0.084 R)
• M5: 2,130,872 km (0.077 R)
• M6: 2,791,945 km (0.074 R)
• M7: 2,864,949 km (0.119 R)
• M8: 3,163,546 km (0.059 R)
• M9: 3,393,927 km (0.082 R)
• M10: 3,870,995 km (0.088 R)
• M11: 4,326,370 km (0.089 R)
• M12: 4,582,033 km (0.12 R)
• M13: 5,332,416 km (0.109 R)
• M14: 5,377,744 km (0.105 R)
• M15: 5,423,222 km (0.103 R)
• M16: 5,698,482 km (0.102 R)
• M17: 5,791,382 km (0.054 R)
• M18: 5,884,731 km (0.039 R)
• M19: 6,025,653 km (0.079 R)
• M20: 6,120,198 km (0.026 R)
• M21: 6,406,828 km (0.079 R)
• M22: 7,292,747 km (0.105 R)
• M23: 8,111,945 km (0.099 R)
• M24: 8,638,679 km (0.096 R)
• M25: 8,960,015 km (0.027 R)
• M26: 9,285,241 km (0.078 R)
• M27: 11,025,961 km (0.101 R)
• M28: 11,141,750 km (0.094 R)
• M29: 12,141,513 km (0.103 R)
• M30: 12,261,041 km (0.096 R)
• M31: 14,477,633 km (0.116 R)
• M32: 14,795,080 km (0.064 R)
• M33: 14,858,958 km (0.104 R)
• M34: 14,986,715 km (0.064 R)
• M35: 15,761,332 km (0.051 R)
• M36: 16,747,781 km (0.115 R)
• M37: 17,214,975 km (0.113 R)
• M38: 19,614,076 km (0.112 R)
• M39: 22,996,185 km (0.116 R)
• M40: 23,070,086 km (0.108 R)
• M41: 23,218,038 km (0.118 R)
• M42: 23,292,239 km (0.078 R)
• M43: 23,515,140 km (0.105 R)
• M44: 23,738,639 km (0.098 R)
• M45: 23,962,886 km (0.11 R)
• M46: 24,037,835 km (0.054 R)
• M47: 24,791,359 km (0.114 R)
• M48: 25,247,034 km (0.057 R)
• M49: 25,782,295 km (0.094 R)
• M50: 29,954,281 km (0.117 R)
• M51: 30,035,064 km (0.07 R)
• M52: 30,520,808 km (0.115 R)
• M53: 30,683,271 km (0.098 R)
• M54: 32,572,543 km (0.102 R)
• M55: 33,489,428 km (0.091 R)
• M56: 33,992,975 km (0.028 R)
• M57: 34,161,422 km (0.113 R)
• M58: 34,668,409 km (0.097 R)
• M59: 35,519,022 km (0.109 R)
• M60: 35,604,443 km (0.11 R)
• M61: 36,634,873 km (0.118 R)
• M62: 38,725,054 km (0.106 R)
• M63: 39,253,584 km (0.097 R)
• M64: 40,050,791 km (0.067 R)
• M65: 40,228,812 km (0.107 R)
• M66: 41,661,361 km (0.1 R)
• M67: 43,019,560 km (0.111 R)
• M68: 43,658,493 km (0.062 R)
• M69: 44,853,032 km (0.091 R)
• M70: 45,500,791 km (0.116 R)
• M71: 48,311,585 km (0.106 R)
• M72: 49,833,444 km (0.085 R)
• M73: 50,216,415 km (0.109 R)
• M74: 51,081,539 km (0.103 R)
• M75: 52,048,690 km (0.113 R)
• M76: 52,631,822 km (0.12 R)
• M77: 53,608,397 km (0.081 R)
• M78: 53,706,384 km (0.115 R)
• M79: 54,985,894 km (0.084 R)
• M80: 58,278,394 km (0.11 R)
• M81: 59,795,914 km (0.048 R)
• M82: 60,304,697 km (0.11 R)
• M83: 61,839,571 km (0.049 R)
• M84: 62,045,118 km (0.069 R)
• M85: 63,490,832 km (0.061 R)
• M86: 63,905,817 km (0.113 R)
• M87: 64,217,728 km (0.117 R)
• M88: 64,634,358 km (0.087 R)
• M89: 65,575,179 km (0.116 R)
• M90: 68,850,026 km (0.072 R)
• M91: 69,490,006 km (0.081 R)
• M92: 70,239,192 km (0.086 R)
• M93: 70,346,454 km (0.072 R)
• M94: 71,529,623 km (0.11 R)
• M95: 71,637,484 km (0.056 R)
• M96: 71,745,493 km (0.12 R)
• M97: 71,961,513 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 577.2

Radius: 7.9

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 17.91 AU - 20.35 AU

Year: 31862 Days

Day: 17.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 98,029,751 km

• M1: 260,450 km (0.109 R)
• M2: 334,800 km (0.091 R)
• M3: 632,799 km (0.115 R)
• M4: 712,235 km (0.06 R)
• M5: 795,262 km (0.098 R)
• M6: 1,293,124 km (0.094 R)
• M7: 2,525,212 km (0.046 R)
• M8: 2,920,599 km (0.092 R)
• M9: 3,525,872 km (0.091 R)
• M10: 3,867,703 km (0.036 R)
• M11: 4,794,911 km (0.032 R)
• M12: 5,228,146 km (0.102 R)
• M13: 5,338,550 km (0.075 R)
• M14: 6,424,780 km (0.116 R)
• M15: 7,329,099 km (0.088 R)
• M16: 8,081,127 km (0.059 R)
• M17: 8,144,856 km (0.071 R)
• M18: 8,466,342 km (0.081 R)
• M19: 9,725,208 km (0.096 R)
• M20: 10,341,850 km (0.05 R)
• M21: 11,254,697 km (0.106 R)
• M22: 11,325,905 km (0.082 R)
• M23: 13,156,385 km (0.09 R)
• M24: 13,685,213 km (0.051 R)
• M25: 14,067,286 km (0.1 R)
• M26: 14,452,800 km (0.116 R)
• M27: 14,530,292 km (0.115 R)
• M28: 14,841,754 km (0.042 R)
• M29: 15,392,125 km (0.052 R)
• M30: 17,659,879 km (0.104 R)
• M31: 18,663,232 km (0.099 R)
• M32: 22,948,014 km (0.077 R)
• M33: 24,502,486 km (0.099 R)
• M34: 25,526,333 km (0.116 R)
• M35: 26,374,404 km (0.108 R)
• M36: 28,680,754 km (0.095 R)
• M37: 30,452,591 km (0.119 R)
• M38: 31,452,055 km (0.104 R)
• M39: 32,057,029 km (0.114 R)
• M40: 32,158,157 km (0.07 R)
• M41: 32,869,495 km (0.098 R)
• M42: 32,971,520 km (0.087 R)
• M43: 33,997,762 km (0.111 R)
• M44: 36,186,528 km (0.116 R)
• M45: 36,608,693 km (0.094 R)
• M46: 37,138,569 km (0.113 R)
• M47: 38,635,744 km (0.09 R)
• M48: 38,959,175 km (0.082 R)
• M49: 39,283,503 km (0.115 R)
• M50: 40,808,654 km (0.063 R)
• M51: 40,918,309 km (0.095 R)
• M52: 41,137,918 km (0.047 R)
• M53: 41,357,977 km (0.115 R)
• M54: 42,131,248 km (0.116 R)
• M55: 42,242,100 km (0.059 R)
• M56: 48,370,676 km (0.119 R)
• M57: 48,835,626 km (0.028 R)
• M58: 49,301,923 km (0.06 R)
• M59: 50,239,154 km (0.072 R)
• M60: 50,356,738 km (0.047 R)
• M61: 51,774,626 km (0.104 R)
• M62: 52,131,118 km (0.059 R)
• M63: 52,250,198 km (0.101 R)
• M64: 53,325,507 km (0.08 R)
• M65: 55,862,687 km (0.108 R)
• M66: 57,207,423 km (0.077 R)
• M67: 57,822,120 km (0.115 R)
• M68: 59,803,993 km (0.116 R)
• M69: 60,177,987 km (0.083 R)
• M70: 64,471,446 km (0.036 R)
• M71: 64,599,203 km (0.104 R)
• M72: 66,396,771 km (0.088 R)
• M73: 68,080,645 km (0.067 R)
• M74: 69,385,437 km (0.09 R)
• M75: 70,435,315 km (0.113 R)
• M76: 70,830,253 km (0.068 R)
• M77: 73,349,182 km (0.106 R)
• M78: 75,089,454 km (0.117 R)
• M79: 76,302,244 km (0.091 R)
• M80: 77,250,096 km (0.108 R)
• M81: 77,929,420 km (0.094 R)
• M82: 79,020,438 km (0.037 R)
• M83: 79,430,934 km (0.12 R)
• M84: 80,254,022 km (0.082 R)
• M85: 81,079,802 km (0.095 R)
• M86: 86,657,110 km (0.053 R)
• M87: 87,928,991 km (0.096 R)
• M88: 88,070,810 km (0.095 R)
• M89: 88,354,447 km (0.072 R)
• M90: 89,207,155 km (0.106 R)
• M91: 92,645,213 km (0.032 R)
• M92: 97,442,817 km (0.113 R)
• M93: 97,882,934 km (0.045 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 19,619 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit