🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.75 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.22 AU - 1.78 AU

Year: 652 Days

Day: 14.8 Hours

Environment

Temp: -4 °C

Axial Tilt: 36.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 69,312,085 km

• M1: 197,469 km (0.05 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.85 AU - 3.27 AU

Year: 1899 Days

Day: 20.8 Hours

Environment

Temp: -102 °C

Axial Tilt: 27.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,312,085 km

• M1: 113,844 km (0.084 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.97 AU - 3.71 AU

Year: 2165 Days

Day: 19.5 Hours

Environment

Temp: -110 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.43 AU - 3.45 AU

Year: 2263 Days

Day: 32.7 Hours

Environment

Temp: -111 °C

Axial Tilt: 13.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.54 AU - 3.54 AU

Year: 2363 Days

Day: 21 Hours

Environment

Temp: -116 °C

Axial Tilt: 14.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.45 AU - 4.31 AU

Year: 2711 Days

Day: 47.8 Hours

Environment

Temp: -125 °C

Axial Tilt: 0.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.3

Radius: 8.4

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 8.29 AU - 10.31 AU

Year: 10061 Days

Day: 8.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 69,312,085 km

• M1: 113,545 km (0.074 R)
• M2: 225,594 km (0.098 R)
• M3: 456,124 km (0.118 R)
• M4: 513,121 km (0.074 R)
• M5: 996,172 km (0.055 R)
• M6: 1,191,996 km (0.099 R)
• M7: 1,273,975 km (0.084 R)
• M8: 1,329,626 km (0.087 R)
• M9: 1,531,134 km (0.078 R)
• M10: 1,635,703 km (0.112 R)
• M11: 1,696,589 km (0.084 R)
• M12: 1,836,314 km (0.049 R)
• M13: 2,028,697 km (0.09 R)
• M14: 2,467,916 km (0.065 R)
• M15: 2,644,591 km (0.067 R)
• M16: 2,734,649 km (0.08 R)
• M17: 2,917,607 km (0.063 R)
• M18: 3,218,897 km (0.102 R)
• M19: 3,451,372 km (0.075 R)
• M20: 3,749,820 km (0.084 R)
• M21: 4,350,456 km (0.079 R)
• M22: 4,435,577 km (0.119 R)
• M23: 4,650,998 km (0.059 R)
• M24: 4,936,281 km (0.06 R)
• M25: 5,159,631 km (0.039 R)
• M26: 5,454,937 km (0.096 R)
• M27: 5,616,203 km (0.085 R)
• M28: 5,849,426 km (0.115 R)
• M29: 6,863,401 km (0.106 R)
• M30: 6,937,900 km (0.072 R)
• M31: 7,543,622 km (0.076 R)
• M32: 7,904,751 km (0.11 R)
• M33: 8,113,740 km (0.106 R)
• M34: 8,298,044 km (0.117 R)
• M35: 8,483,695 km (0.096 R)
• M36: 8,563,730 km (0.095 R)
• M37: 8,751,475 km (0.118 R)
• M38: 8,805,331 km (0.091 R)
• M39: 9,130,856 km (0.08 R)
• M40: 9,185,459 km (0.032 R)
• M41: 9,240,212 km (0.088 R)
• M42: 9,710,099 km (0.089 R)
• M43: 10,159,491 km (0.112 R)
• M44: 10,558,169 km (0.089 R)
• M45: 10,817,272 km (0.098 R)
• M46: 11,078,470 km (0.107 R)
• M47: 11,253,799 km (0.106 R)
• M48: 11,429,876 km (0.106 R)
• M49: 11,814,791 km (0.103 R)
• M50: 11,963,940 km (0.067 R)
• M51: 12,143,906 km (0.102 R)
• M52: 12,204,045 km (0.103 R)
• M53: 12,385,058 km (0.099 R)
• M54: 12,566,969 km (0.106 R)
• M55: 13,210,689 km (0.06 R)
• M56: 13,583,337 km (0.107 R)
• M57: 13,771,082 km (0.092 R)
• M58: 13,865,179 km (0.059 R)
• M59: 14,117,252 km (0.105 R)
• M60: 14,212,247 km (0.062 R)
• M61: 14,690,062 km (0.117 R)
• M62: 14,850,431 km (0.08 R)
• M63: 15,011,548 km (0.117 R)
• M64: 15,076,174 km (0.037 R)
• M65: 15,237,890 km (0.117 R)
• M66: 15,694,163 km (0.097 R)
• M67: 16,287,468 km (0.116 R)
• M68: 16,820,934 km (0.1 R)
• M69: 17,461,811 km (0.081 R)
• M70: 17,734,229 km (0.109 R)
• M71: 17,802,446 km (0.054 R)
• M72: 18,248,397 km (0.112 R)
• M73: 18,837,214 km (0.109 R)
• M74: 19,151,519 km (0.078 R)
• M75: 19,221,531 km (0.086 R)
• M76: 19,432,315 km (0.119 R)
• M77: 20,748,626 km (0.112 R)
• M78: 21,654,292 km (0.118 R)
• M79: 22,498,772 km (0.083 R)
• M80: 22,609,773 km (0.107 R)
• M81: 23,316,623 km (0.053 R)
• M82: 24,676,019 km (0.103 R)
• M83: 24,828,609 km (0.109 R)
• M84: 25,019,795 km (0.093 R)
• M85: 25,096,389 km (0.093 R)
• M86: 25,442,259 km (0.082 R)
• M87: 25,712,284 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 469

Radius: 6.7

Gravity: 10.45 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 15.45 AU - 15.73 AU

Year: 21838 Days

Day: 24.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 69,312,085 km

• M1: 85,570 km (0.047 R)
• M2: 188,643 km (0.083 R)
• M3: 284,236 km (0.064 R)
• M4: 609,462 km (0.12 R)
• M5: 1,287,589 km (0.118 R)
• M6: 1,342,790 km (0.103 R)
• M7: 1,484,160 km (0.111 R)
• M8: 2,431,265 km (0.109 R)
• M9: 2,781,324 km (0.049 R)
• M10: 3,297,885 km (0.118 R)
• M11: 3,412,477 km (0.037 R)
• M12: 5,552,774 km (0.079 R)
• M13: 5,965,664 km (0.104 R)
• M14: 6,058,863 km (0.05 R)
• M15: 6,152,362 km (0.107 R)
• M16: 6,436,149 km (0.117 R)
• M17: 6,483,871 km (0.061 R)
• M18: 6,675,805 km (0.079 R)
• M19: 7,114,725 km (0.115 R)
• M20: 7,312,793 km (0.093 R)
• M21: 8,020,241 km (0.083 R)
• M22: 8,382,268 km (0.105 R)
• M23: 8,486,538 km (0.1 R)
• M24: 8,802,339 km (0.116 R)
• M25: 8,961,660 km (0.054 R)
• M26: 9,445,460 km (0.065 R)
• M27: 9,608,522 km (0.039 R)
• M28: 11,812,697 km (0.103 R)
• M29: 11,929,682 km (0.11 R)
• M30: 12,106,058 km (0.058 R)
• M31: 13,303,888 km (0.052 R)
• M32: 13,855,156 km (0.073 R)
• M33: 15,170,122 km (0.04 R)
• M34: 15,233,701 km (0.057 R)
• M35: 15,681,597 km (0.081 R)
• M36: 15,745,924 km (0.063 R)
• M37: 16,786,975 km (0.092 R)
• M38: 18,593,669 km (0.056 R)
• M39: 19,003,418 km (0.097 R)
• M40: 20,390,788 km (0.11 R)
• M41: 20,672,182 km (0.094 R)
• M42: 22,532,431 km (0.078 R)
• M43: 22,750,545 km (0.101 R)
• M44: 23,999,388 km (0.116 R)
• M45: 24,147,789 km (0.11 R)
• M46: 25,270,521 km (0.077 R)
• M47: 25,952,239 km (0.118 R)
• M48: 26,028,384 km (0.052 R)
• M49: 26,563,346 km (0.087 R)
• M50: 27,955,504 km (0.096 R)
• M51: 28,581,720 km (0.052 R)
• M52: 31,375,909 km (0.098 R)
• M53: 31,782,068 km (0.046 R)
• M54: 32,517,640 km (0.116 R)
• M55: 33,672,985 km (0.117 R)
• M56: 33,756,012 km (0.105 R)
• M57: 34,339,294 km (0.113 R)
• M58: 35,178,089 km (0.082 R)
• M59: 36,790,604 km (0.104 R)
• M60: 37,047,314 km (0.07 R)
• M61: 38,166,905 km (0.105 R)
• M62: 39,035,769 km (0.084 R)
• M63: 39,472,595 km (0.083 R)
• M64: 39,911,066 km (0.044 R)
• M65: 41,681,108 km (0.114 R)
• M66: 43,386,075 km (0.117 R)
• M67: 43,929,265 km (0.093 R)
• M68: 46,586,123 km (0.084 R)
• M69: 48,542,415 km (0.088 R)
• M70: 49,012,152 km (0.034 R)
• M71: 49,483,385 km (0.064 R)
• M72: 51,287,685 km (0.067 R)
• M73: 51,861,842 km (0.103 R)
• M74: 53,306,808 km (0.109 R)
• M75: 53,888,594 km (0.112 R)
• M76: 54,960,313 km (0.076 R)
• M77: 57,521,728 km (0.087 R)
• M78: 57,720,394 km (0.081 R)
• M79: 58,417,370 km (0.099 R)
• M80: 58,617,083 km (0.079 R)
• M81: 58,717,015 km (0.059 R)
• M82: 60,525,055 km (0.097 R)
• M83: 63,579,095 km (0.068 R)
• M84: 64,195,887 km (0.09 R)
• M85: 65,331,784 km (0.073 R)
• M86: 65,642,798 km (0.084 R)
• M87: 65,850,290 km (0.11 R)
• M88: 65,954,260 km (0.069 R)
• M89: 67,204,899 km (0.045 R)
• M90: 68,358,298 km (0.107 R)
• M91: 68,673,950 km (0.114 R)
• M92: 70,471,967 km (0.043 R)
• M93: 71,110,151 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257.4

Radius: 3.9

Gravity: 16.92 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 17.8 AU - 19.32 AU

Year: 28366 Days

Day: 20.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 69,312,085 km

• M1: 139,575 km (0.08 R)
• M2: 581,936 km (0.076 R)
• M3: 644,617 km (0.112 R)
• M4: 776,862 km (0.114 R)
• M5: 846,275 km (0.109 R)
• M6: 2,141,045 km (0.096 R)
• M7: 2,338,065 km (0.085 R)
• M8: 2,438,894 km (0.064 R)
• M9: 3,109,541 km (0.066 R)
• M10: 3,370,290 km (0.11 R)
• M11: 3,715,712 km (0.094 R)
• M12: 3,912,433 km (0.092 R)
• M13: 5,515,225 km (0.03 R)
• M14: 5,604,684 km (0.094 R)
• M15: 6,383,491 km (0.092 R)
• M16: 7,001,779 km (0.082 R)
• M17: 9,284,044 km (0.104 R)
• M18: 11,543,720 km (0.055 R)
• M19: 12,177,416 km (0.069 R)
• M20: 12,940,814 km (0.094 R)
• M21: 14,760,822 km (0.079 R)
• M22: 17,243,399 km (0.084 R)
• M23: 17,439,671 km (0.082 R)
• M24: 19,103,798 km (0.107 R)
• M25: 20,748,327 km (0.111 R)
• M26: 22,366,378 km (0.115 R)
• M27: 22,508,944 km (0.114 R)
• M28: 22,651,810 km (0.114 R)
• M29: 23,082,353 km (0.075 R)
• M30: 24,243,532 km (0.087 R)
• M31: 25,126,907 km (0.115 R)
• M32: 26,170,801 km (0.088 R)
• M33: 26,396,245 km (0.117 R)
• M34: 27,380,898 km (0.103 R)
• M35: 28,764,080 km (0.103 R)
• M36: 32,480,989 km (0.111 R)
• M37: 32,561,772 km (0.082 R)
• M38: 33,209,830 km (0.089 R)
• M39: 35,761,072 km (0.049 R)
• M40: 36,094,825 km (0.083 R)
• M41: 36,681,398 km (0.086 R)
• M42: 38,204,155 km (0.11 R)
• M43: 38,374,547 km (0.088 R)
• M44: 39,488,752 km (0.104 R)
• M45: 40,613,578 km (0.084 R)
• M46: 43,071,621 km (0.068 R)
• M47: 43,515,627 km (0.112 R)
• M48: 43,693,648 km (0.076 R)
• M49: 44,229,209 km (0.114 R)
• M50: 45,667,892 km (0.049 R)
• M51: 49,330,945 km (0.055 R)
• M52: 51,009,882 km (0.094 R)
• M53: 51,573,716 km (0.073 R)
• M54: 51,667,813 km (0.05 R)
• M55: 51,762,060 km (0.067 R)
• M56: 52,139,495 km (0.119 R)
• M57: 53,087,198 km (0.039 R)
• M58: 55,577,703 km (0.062 R)
• M59: 55,770,834 km (0.033 R)
• M60: 56,157,844 km (0.091 R)
• M61: 56,448,513 km (0.106 R)
• M62: 56,934,406 km (0.084 R)
• M63: 58,007,921 km (0.119 R)
• M64: 58,498,153 km (0.109 R)
• M65: 60,076,111 km (0.045 R)
• M66: 62,469,079 km (0.095 R)
• M67: 62,870,899 km (0.049 R)
• M68: 63,072,108 km (0.098 R)
• M69: 63,273,616 km (0.119 R)
• M70: 63,374,445 km (0.075 R)
• M71: 63,475,274 km (0.077 R)
• M72: 63,778,210 km (0.049 R)
• M73: 64,689,859 km (0.079 R)
• M74: 66,423,399 km (0.077 R)
• M75: 68,896,851 km (0.112 R)
• M76: 69,104,343 km (0.12 R)

Kuiper Belt

Range: 30.9 - 60.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 325 - 18,317 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit