🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.45 AU - 0.75 AU

Year: 296 Days

Day: 39.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 20.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.55 AU - 0.71 AU

Year: 318 Days

Day: 46.5 Hours

Environment

Temp: -123 °C

Axial Tilt: 15.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.6

Radius: 10.6

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.03 AU - 1.13 AU

Year: 714 Days

Day: 12.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,665,802 km

• M1: 132,693 km (0.111 R)
• M2: 218,712 km (0.082 R)
• M3: 319,391 km (0.103 R)
• M4: 395,537 km (0.107 R)
• M5: 518,656 km (0.078 R)
• M6: 605,123 km (0.104 R)
• M7: 715,227 km (0.105 R)
• M8: 826,528 km (0.053 R)
• M9: 917,334 km (0.114 R)
• M10: 1,192,744 km (0.099 R)
• M11: 1,266,795 km (0.1 R)
• M12: 1,365,380 km (0.085 R)
• M13: 1,439,132 km (0.061 R)
• M14: 1,534,425 km (0.119 R)
• M15: 1,636,002 km (0.097 R)
• M16: 1,702,274 km (0.115 R)
• M17: 1,769,444 km (0.061 R)
• M18: 2,042,909 km (0.068 R)
• M19: 2,146,131 km (0.08 R)
• M20: 2,255,786 km (0.099 R)
• M21: 2,325,349 km (0.113 R)
• M22: 2,442,933 km (0.103 R)
• M23: 2,509,654 km (0.118 R)
• M24: 2,610,932 km (0.081 R)
• M25: 2,832,486 km (0.083 R)
• M26: 2,953,361 km (0.098 R)
• M27: 3,132,579 km (0.04 R)
• M28: 3,220,842 km (0.072 R)
• M29: 3,336,481 km (0.109 R)
• M30: 3,469,623 km (0.063 R)
• M31: 3,539,635 km (0.096 R)
• M32: 3,768,819 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.5

Radius: 11.3

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.12 AU - 1.24 AU

Year: 815 Days

Day: 7.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 69,665,802 km

• M1: 146,756 km (0.065 R)
• M2: 219,909 km (0.082 R)
• M3: 441,912 km (0.097 R)
• M4: 605,722 km (0.119 R)
• M5: 709,543 km (0.085 R)
• M6: 811,868 km (0.058 R)
• M7: 902,674 km (0.108 R)
• M8: 984,204 km (0.026 R)
• M9: 1,095,655 km (0.096 R)
• M10: 1,278,463 km (0.115 R)
• M11: 1,351,467 km (0.066 R)
• M12: 1,476,681 km (0.097 R)
• M13: 1,564,046 km (0.12 R)
• M14: 1,663,977 km (0.084 R)
• M15: 1,771,388 km (0.116 R)
• M16: 1,925,923 km (0.084 R)
• M17: 2,154,808 km (0.096 R)
• M18: 2,314,279 km (0.116 R)
• M19: 2,490,057 km (0.112 R)
• M20: 2,900,254 km (0.116 R)
• M21: 3,116,722 km (0.115 R)
• M22: 3,230,416 km (0.118 R)
• M23: 3,324,962 km (0.102 R)
• M24: 3,489,520 km (0.105 R)
• M25: 3,600,671 km (0.1 R)
• M26: 3,776,748 km (0.061 R)
• M27: 4,144,908 km (0.103 R)
• M28: 4,456,820 km (0.094 R)
• M29: 4,532,217 km (0.035 R)
• M30: 4,615,693 km (0.094 R)
• M31: 4,900,228 km (0.118 R)
• M32: 5,190,597 km (0.088 R)
• M33: 5,422,175 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.5

Radius: 8

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.36 AU - 1.88 AU

Year: 1311 Days

Day: 10.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 69,665,802 km

• M1: 101,128 km (0.073 R)
• M2: 172,935 km (0.087 R)
• M3: 243,097 km (0.1 R)
• M4: 344,075 km (0.06 R)
• M5: 520,750 km (0.108 R)
• M6: 593,604 km (0.113 R)
• M7: 797,357 km (0.087 R)
• M8: 882,777 km (0.105 R)
• M9: 1,276,967 km (0.064 R)
• M10: 1,341,594 km (0.078 R)
• M11: 1,392,607 km (0.118 R)
• M12: 1,474,287 km (0.067 R)
• M13: 1,534,725 km (0.057 R)
• M14: 1,611,468 km (0.049 R)
• M15: 1,849,628 km (0.049 R)
• M16: 1,964,519 km (0.08 R)
• M17: 2,014,635 km (0.059 R)
• M18: 2,090,481 km (0.097 R)
• M19: 2,227,811 km (0.114 R)
• M20: 2,280,021 km (0.086 R)
• M21: 2,368,134 km (0.093 R)
• M22: 2,430,367 km (0.117 R)
• M23: 2,584,004 km (0.087 R)
• M24: 2,740,932 km (0.119 R)
• M25: 3,006,169 km (0.116 R)
• M26: 3,349,496 km (0.102 R)
• M27: 3,449,876 km (0.092 R)
• M28: 3,500,441 km (0.113 R)
• M29: 3,581,971 km (0.116 R)
• M30: 3,633,134 km (0.099 R)
• M31: 3,705,390 km (0.108 R)
• M32: 4,009,373 km (0.106 R)
• M33: 4,430,939 km (0.03 R)
• M34: 4,889,457 km (0.106 R)
• M35: 4,969,192 km (0.048 R)
• M36: 5,269,435 km (0.112 R)
• M37: 5,339,597 km (0.111 R)
• M38: 5,398,239 km (0.082 R)
• M39: 5,516,272 km (0.075 R)
• M40: 5,923,926 km (0.111 R)
• M41: 6,641,697 km (0.106 R)
• M42: 6,742,825 km (0.091 R)
• M43: 6,819,120 km (0.054 R)
• M44: 6,921,145 km (0.105 R)
• M45: 7,544,221 km (0.047 R)
• M46: 7,610,193 km (0.09 R)
• M47: 7,676,316 km (0.107 R)
• M48: 8,036,697 km (0.083 R)
• M49: 8,104,165 km (0.112 R)
• M50: 8,171,634 km (0.087 R)
• M51: 8,266,629 km (0.085 R)
• M52: 8,484,892 km (0.063 R)
• M53: 8,635,986 km (0.107 R)
• M54: 8,760,302 km (0.092 R)
• M55: 9,052,766 km (0.113 R)
• M56: 9,249,636 km (0.081 R)
• M57: 9,348,521 km (0.098 R)
• M58: 9,490,489 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.3

Radius: 11.2

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.89 AU - 3.23 AU

Year: 3403 Days

Day: 10.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 69,665,802 km

• M1: 232,924 km (0.072 R)
• M2: 373,546 km (0.102 R)
• M3: 447,298 km (0.091 R)
• M4: 557,402 km (0.12 R)
• M5: 632,500 km (0.117 R)
• M6: 1,010,234 km (0.091 R)
• M7: 1,245,253 km (0.101 R)
• M8: 1,339,200 km (0.108 R)
• M9: 1,480,271 km (0.05 R)
• M10: 1,617,153 km (0.068 R)
• M11: 2,013,438 km (0.081 R)
• M12: 2,186,672 km (0.07 R)
• M13: 2,482,876 km (0.089 R)
• M14: 2,769,655 km (0.091 R)
• M15: 3,044,017 km (0.099 R)
• M16: 3,243,731 km (0.104 R)
• M17: 3,472,167 km (0.118 R)
• M18: 3,932,180 km (0.088 R)
• M19: 4,385,162 km (0.115 R)
• M20: 4,491,078 km (0.119 R)
• M21: 4,584,576 km (0.114 R)
• M22: 4,691,988 km (0.097 R)
• M23: 4,855,049 km (0.064 R)
• M24: 4,992,231 km (0.094 R)
• M25: 5,186,409 km (0.108 R)
• M26: 6,239,727 km (0.117 R)
• M27: 6,570,039 km (0.078 R)
• M28: 6,706,772 km (0.042 R)
• M29: 6,783,216 km (0.085 R)
• M30: 7,076,129 km (0.061 R)
• M31: 7,185,186 km (0.04 R)
• M32: 7,658,663 km (0.087 R)
• M33: 8,191,231 km (0.099 R)
• M34: 8,354,891 km (0.098 R)
• M35: 8,519,748 km (0.084 R)
• M36: 8,685,802 km (0.095 R)
• M37: 8,802,488 km (0.035 R)
• M38: 8,903,168 km (0.11 R)
• M39: 9,122,329 km (0.097 R)
• M40: 9,929,559 km (0.075 R)
• M41: 10,104,139 km (0.045 R)
• M42: 10,509,998 km (0.106 R)
• M43: 10,652,416 km (0.119 R)
• M44: 10,939,045 km (0.069 R)
• M45: 11,210,116 km (0.101 R)
• M46: 11,777,541 km (0.047 R)
• M47: 12,279,292 km (0.066 R)
• M48: 12,617,683 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.4

Radius: 14.6

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.13 AU - 6.47 AU

Year: 7758 Days

Day: 13.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 69,665,802 km

• M1: 203,603 km (0.103 R)
• M2: 343,626 km (0.101 R)
• M3: 479,312 km (0.052 R)
• M4: 766,539 km (0.109 R)
• M5: 867,967 km (0.116 R)
• M6: 1,379,442 km (0.096 R)
• M7: 1,535,921 km (0.113 R)
• M8: 1,698,684 km (0.115 R)
• M9: 2,546,305 km (0.093 R)
• M10: 2,940,945 km (0.101 R)
• M11: 3,297,735 km (0.07 R)
• M12: 3,930,385 km (0.083 R)
• M13: 4,156,726 km (0.034 R)
• M14: 4,303,033 km (0.118 R)
• M15: 4,472,528 km (0.101 R)
• M16: 4,579,490 km (0.077 R)
• M17: 4,861,781 km (0.042 R)
• M18: 5,194,636 km (0.099 R)
• M19: 5,650,162 km (0.111 R)
• M20: 5,976,884 km (0.062 R)
• M21: 6,118,852 km (0.099 R)
• M22: 6,309,739 km (0.104 R)
• M23: 6,454,400 km (0.091 R)
• M24: 6,551,340 km (0.081 R)
• M25: 6,697,796 km (0.11 R)
• M26: 6,796,082 km (0.099 R)
• M27: 7,497,247 km (0.119 R)
• M28: 8,169,091 km (0.036 R)
• M29: 8,806,527 km (0.094 R)
• M30: 9,432,445 km (0.03 R)
• M31: 9,764,851 km (0.037 R)
• M32: 10,072,873 km (0.103 R)
• M33: 10,842,704 km (0.063 R)
• M34: 11,513,351 km (0.102 R)
• M35: 11,690,625 km (0.101 R)
• M36: 11,839,026 km (0.041 R)
• M37: 12,895,187 km (0.112 R)
• M38: 13,202,461 km (0.111 R)
• M39: 13,357,145 km (0.082 R)
• M40: 13,636,893 km (0.077 R)
• M41: 13,761,807 km (0.103 R)
• M42: 14,075,963 km (0.041 R)
• M43: 14,839,510 km (0.108 R)
• M44: 14,968,015 km (0.099 R)
• M45: 15,258,684 km (0.067 R)
• M46: 15,649,284 km (0.064 R)
• M47: 15,845,706 km (0.105 R)
• M48: 16,840,382 km (0.058 R)
• M49: 17,413,043 km (0.115 R)
• M50: 17,548,728 km (0.072 R)
• M51: 17,718,821 km (0.107 R)
• M52: 18,266,947 km (0.119 R)
• M53: 19,802,569 km (0.036 R)
• M54: 19,944,239 km (0.111 R)
• M55: 20,228,624 km (0.078 R)
• M56: 20,514,356 km (0.075 R)
• M57: 21,017,603 km (0.046 R)
• M58: 22,773,583 km (0.068 R)
• M59: 23,932,667 km (0.032 R)
• M60: 24,083,612 km (0.081 R)
• M61: 24,424,545 km (0.089 R)
• M62: 24,576,537 km (0.093 R)
• M63: 24,766,975 km (0.108 R)
• M64: 25,225,941 km (0.09 R)
• M65: 25,803,838 km (0.116 R)
• M66: 26,036,163 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 844.1

Radius: 4.2

Gravity: 47.85 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 6.94 AU - 10.08 AU

Year: 15784 Days

Day: 17.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 69,665,802 km

• M1: 132,544 km (0.062 R)
• M2: 220,358 km (0.055 R)
• M3: 527,781 km (0.119 R)
• M4: 567,874 km (0.069 R)
• M5: 672,891 km (0.117 R)
• M6: 1,205,908 km (0.118 R)
• M7: 1,313,918 km (0.11 R)
• M8: 1,397,095 km (0.104 R)
• M9: 1,627,475 km (0.103 R)
• M10: 1,994,738 km (0.085 R)
• M11: 2,909,978 km (0.112 R)
• M12: 3,352,937 km (0.114 R)
• M13: 4,507,533 km (0.054 R)
• M14: 4,845,774 km (0.109 R)
• M15: 5,324,188 km (0.086 R)
• M16: 5,546,640 km (0.075 R)
• M17: 6,278,623 km (0.038 R)
• M18: 6,560,914 km (0.087 R)
• M19: 7,531,505 km (0.094 R)
• M20: 8,649,749 km (0.106 R)
• M21: 8,858,588 km (0.059 R)
• M22: 9,174,987 km (0.059 R)
• M23: 9,281,201 km (0.078 R)
• M24: 9,334,458 km (0.117 R)
• M25: 10,311,183 km (0.115 R)
• M26: 10,421,586 km (0.1 R)
• M27: 10,477,087 km (0.11 R)
• M28: 10,867,537 km (0.101 R)
• M29: 11,376,768 km (0.11 R)
• M30: 11,835,735 km (0.083 R)
• M31: 12,125,805 km (0.097 R)
• M32: 12,300,835 km (0.045 R)
• M33: 12,950,089 km (0.098 R)
• M34: 13,188,997 km (0.108 R)
• M35: 14,281,660 km (0.115 R)
• M36: 14,404,929 km (0.106 R)
• M37: 15,088,740 km (0.043 R)
• M38: 15,719,595 km (0.103 R)
• M39: 15,974,360 km (0.119 R)
• M40: 16,423,453 km (0.107 R)
• M41: 16,552,556 km (0.044 R)
• M42: 18,797,720 km (0.119 R)
• M43: 18,865,189 km (0.066 R)
• M44: 19,068,193 km (0.075 R)
• M45: 19,955,758 km (0.091 R)
• M46: 20,231,466 km (0.062 R)
• M47: 20,786,923 km (0.099 R)
• M48: 22,197,033 km (0.118 R)
• M49: 22,268,391 km (0.109 R)
• M50: 24,002,829 km (0.112 R)
• M51: 25,930,248 km (0.07 R)
• M52: 26,005,346 km (0.045 R)
• M53: 27,140,644 km (0.04 R)
• M54: 28,446,933 km (0.105 R)
• M55: 28,834,990 km (0.055 R)
• M56: 29,381,321 km (0.093 R)
• M57: 29,852,255 km (0.046 R)
• M58: 33,136,377 km (0.084 R)
• M59: 34,036,807 km (0.066 R)
• M60: 34,366,221 km (0.092 R)
• M61: 36,196,701 km (0.05 R)
• M62: 37,717,962 km (0.103 R)
• M63: 38,572,016 km (0.045 R)
• M64: 39,951,757 km (0.118 R)
• M65: 40,299,123 km (0.06 R)
• M66: 41,259,841 km (0.065 R)
• M67: 41,347,505 km (0.047 R)
• M68: 41,699,060 km (0.082 R)
• M69: 43,292,726 km (0.099 R)
• M70: 43,828,436 km (0.085 R)
• M71: 44,366,241 km (0.09 R)
• M72: 44,816,231 km (0.116 R)
• M73: 45,267,568 km (0.06 R)
• M74: 46,174,879 km (0.052 R)
• M75: 46,813,512 km (0.064 R)
• M76: 47,363,284 km (0.038 R)
• M77: 48,839,815 km (0.072 R)
• M78: 49,770,314 km (0.1 R)
• M79: 53,072,687 km (0.094 R)
• M80: 53,359,017 km (0.107 R)
• M81: 55,184,261 km (0.096 R)
• M82: 55,571,271 km (0.109 R)
• M83: 56,347,684 km (0.067 R)
• M84: 56,639,848 km (0.087 R)
• M85: 57,715,158 km (0.094 R)
• M86: 57,911,430 km (0.087 R)
• M87: 58,501,444 km (0.107 R)
• M88: 58,895,934 km (0.116 R)
• M89: 60,582,351 km (0.119 R)
• M90: 61,681,895 km (0.068 R)
• M91: 61,983,035 km (0.081 R)
• M92: 62,586,513 km (0.09 R)
• M93: 63,495,470 km (0.076 R)
• M94: 64,612,368 km (0.069 R)
• M95: 64,816,120 km (0.109 R)
• M96: 65,326,548 km (0.12 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 17,690 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit