🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.56 AU - 0.76 AU

Year: 199 Days

Day: 19.7 Hours

Environment

Temp: 172 °C

Axial Tilt: 36.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.86 AU - 1.04 AU

Year: 343 Days

Day: 35.6 Hours

Environment

Temp: 42 °C

Axial Tilt: 23.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.09 AU - 1.11 AU

Year: 428 Days

Day: 23.6 Hours

Environment

Temp: 25 °C

Axial Tilt: 17.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 103,637,657 km

• M1: 521,498 km (0.079 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.2 AU - 1.22 AU

Year: 494 Days

Day: 26.4 Hours

Environment

Temp: -11 °C

Axial Tilt: 14.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 103,637,657 km

• M1: 80,334 km (0.108 R)
• M2: 617,241 km (0.103 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.29 AU - 1.71 AU

Year: 681 Days

Day: 47.4 Hours

Environment

Temp: -50 °C

Axial Tilt: 5.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.11 AU - 5.09 AU

Year: 3079 Days

Day: 34.7 Hours

Environment

Temp: -125 °C

Axial Tilt: 47 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.98 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 13.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891.9

Radius: 7.8

Gravity: 14.66 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 11.73 AU - 15.97 AU

Year: 19115 Days

Day: 21.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 103,637,657 km

• M1: 110,254 km (0.101 R)
• M2: 189,840 km (0.11 R)
• M3: 1,250,937 km (0.075 R)
• M4: 1,556,416 km (0.083 R)
• M5: 1,884,933 km (0.111 R)
• M6: 2,234,843 km (0.103 R)
• M7: 4,046,622 km (0.117 R)
• M8: 5,542,900 km (0.094 R)
• M9: 6,400,545 km (0.056 R)
• M10: 8,349,207 km (0.067 R)
• M11: 8,519,449 km (0.118 R)
• M12: 9,094,803 km (0.116 R)
• M13: 9,981,469 km (0.112 R)
• M14: 10,101,746 km (0.067 R)
• M15: 11,205,928 km (0.115 R)
• M16: 11,330,992 km (0.093 R)
• M17: 11,393,673 km (0.059 R)
• M18: 12,027,070 km (0.109 R)
• M19: 13,394,096 km (0.085 R)
• M20: 13,593,360 km (0.091 R)
• M21: 13,659,931 km (0.115 R)
• M22: 15,153,666 km (0.094 R)
• M23: 15,569,847 km (0.076 R)
• M24: 15,849,446 km (0.065 R)
• M25: 15,919,757 km (0.091 R)
• M26: 16,272,060 km (0.116 R)
• M27: 17,561,892 km (0.09 R)
• M28: 18,809,987 km (0.061 R)
• M29: 19,257,285 km (0.091 R)
• M30: 19,332,234 km (0.07 R)
• M31: 20,773,460 km (0.117 R)
• M32: 21,779,505 km (0.091 R)
• M33: 22,406,470 km (0.099 R)
• M34: 22,959,832 km (0.065 R)
• M35: 25,711,386 km (0.066 R)
• M36: 26,540,308 km (0.07 R)
• M37: 26,957,985 km (0.044 R)
• M38: 28,054,388 km (0.096 R)
• M39: 30,116,295 km (0.079 R)
• M40: 31,782,965 km (0.12 R)
• M41: 32,850,944 km (0.106 R)
• M42: 33,119,772 km (0.109 R)
• M43: 33,930,742 km (0.12 R)
• M44: 34,202,412 km (0.09 R)
• M45: 34,474,979 km (0.08 R)
• M46: 37,145,899 km (0.046 R)
• M47: 37,332,448 km (0.111 R)
• M48: 38,931,499 km (0.069 R)
• M49: 39,216,035 km (0.111 R)
• M50: 39,691,756 km (0.103 R)
• M51: 41,516,700 km (0.046 R)
• M52: 43,074,762 km (0.034 R)
• M53: 43,369,021 km (0.101 R)
• M54: 44,255,837 km (0.115 R)
• M55: 44,552,789 km (0.102 R)
• M56: 45,248,120 km (0.117 R)
• M57: 46,247,733 km (0.104 R)
• M58: 48,676,454 km (0.073 R)
• M59: 50,009,222 km (0.104 R)
• M60: 50,938,973 km (0.071 R)
• M61: 51,146,315 km (0.091 R)
• M62: 51,353,957 km (0.053 R)
• M63: 51,457,928 km (0.049 R)
• M64: 52,501,074 km (0.114 R)
• M65: 54,078,882 km (0.115 R)
• M66: 55,033,017 km (0.056 R)
• M67: 55,458,923 km (0.118 R)
• M68: 55,779,062 km (0.109 R)
• M69: 57,281,025 km (0.081 R)
• M70: 58,687,544 km (0.109 R)
• M71: 60,873,618 km (0.086 R)
• M72: 63,086,320 km (0.064 R)
• M73: 63,197,620 km (0.052 R)
• M74: 64,538,616 km (0.099 R)
• M75: 64,763,013 km (0.111 R)
• M76: 66,227,875 km (0.079 R)
• M77: 68,502,959 km (0.106 R)
• M78: 69,420,144 km (0.081 R)
• M79: 70,341,368 km (0.075 R)
• M80: 70,803,475 km (0.028 R)
• M81: 71,034,903 km (0.066 R)
• M82: 71,150,692 km (0.077 R)
• M83: 71,498,507 km (0.071 R)
• M84: 71,614,595 km (0.092 R)
• M85: 72,662,079 km (0.12 R)
• M86: 73,129,274 km (0.11 R)
• M87: 74,889,891 km (0.09 R)
• M88: 76,902,281 km (0.114 R)
• M89: 78,692,519 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 921.5

Radius: 3.2

Gravity: 89.99 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 16.03 AU - 19.91 AU

Year: 28251 Days

Day: 21.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 103,637,657 km

• M1: 49,218 km (0.101 R)
• M2: 196,422 km (0.077 R)
• M3: 644,916 km (0.105 R)
• M4: 853,905 km (0.105 R)
• M5: 949,647 km (0.082 R)
• M6: 1,478,326 km (0.068 R)
• M7: 2,039,617 km (0.12 R)
• M8: 2,989,414 km (0.074 R)
• M9: 3,037,734 km (0.039 R)
• M10: 3,183,891 km (0.117 R)
• M11: 3,584,963 km (0.066 R)
• M12: 3,636,275 km (0.107 R)
• M13: 3,739,498 km (0.097 R)
• M14: 3,791,408 km (0.093 R)
• M15: 4,215,967 km (0.115 R)
• M16: 4,270,122 km (0.111 R)
• M17: 4,544,185 km (0.105 R)
• M18: 4,994,325 km (0.045 R)
• M19: 5,876,204 km (0.109 R)
• M20: 6,741,478 km (0.115 R)
• M21: 7,253,552 km (0.11 R)
• M22: 8,044,925 km (0.111 R)
• M23: 8,863,225 km (0.093 R)
• M24: 9,851,020 km (0.096 R)
• M25: 9,922,827 km (0.118 R)
• M26: 10,798,872 km (0.102 R)
• M27: 12,004,780 km (0.09 R)
• M28: 13,332,013 km (0.106 R)
• M29: 13,811,474 km (0.112 R)
• M30: 15,533,495 km (0.09 R)
• M31: 15,617,270 km (0.114 R)
• M32: 16,718,609 km (0.065 R)
• M33: 18,905,730 km (0.114 R)
• M34: 22,114,904 km (0.065 R)
• M35: 22,681,730 km (0.061 R)
• M36: 24,216,455 km (0.111 R)
• M37: 24,996,308 km (0.095 R)
• M38: 25,784,390 km (0.12 R)
• M39: 26,281,055 km (0.066 R)
• M40: 27,283,809 km (0.099 R)
• M41: 29,430,090 km (0.08 R)
• M42: 29,844,925 km (0.111 R)
• M43: 30,470,992 km (0.113 R)
• M44: 33,233,167 km (0.116 R)
• M45: 34,099,189 km (0.1 R)
• M46: 34,316,704 km (0.093 R)
• M47: 36,740,938 km (0.083 R)
• M48: 36,852,388 km (0.08 R)
• M49: 37,748,480 km (0.049 R)
• M50: 38,425,111 km (0.09 R)
• M51: 40,940,449 km (0.034 R)
• M52: 41,635,780 km (0.112 R)
• M53: 41,752,018 km (0.102 R)
• M54: 42,685,808 km (0.088 R)
• M55: 44,217,839 km (0.109 R)
• M56: 47,578,406 km (0.086 R)
• M57: 48,309,192 km (0.08 R)
• M58: 49,905,102 km (0.116 R)
• M59: 50,771,573 km (0.094 R)
• M60: 51,144,370 km (0.111 R)
• M61: 51,393,451 km (0.096 R)
• M62: 51,892,958 km (0.036 R)
• M63: 52,519,324 km (0.106 R)
• M64: 52,896,461 km (0.075 R)
• M65: 53,148,384 km (0.104 R)
• M66: 54,159,964 km (0.08 R)
• M67: 54,922,764 km (0.115 R)
• M68: 57,750,164 km (0.054 R)
• M69: 58,529,419 km (0.072 R)
• M70: 59,050,917 km (0.063 R)
• M71: 60,888,129 km (0.107 R)
• M72: 61,284,264 km (0.052 R)
• M73: 62,079,077 km (0.077 R)
• M74: 68,421,728 km (0.086 R)
• M75: 72,856,557 km (0.095 R)
• M76: 73,698,344 km (0.116 R)
• M77: 75,249,973 km (0.095 R)
• M78: 75,533,311 km (0.093 R)
• M79: 77,240,373 km (0.039 R)
• M80: 83,021,732 km (0.117 R)
• M81: 83,168,039 km (0.085 R)
• M82: 86,260,376 km (0.08 R)
• M83: 87,597,033 km (0.064 R)
• M84: 88,044,181 km (0.097 R)
• M85: 90,893,273 km (0.116 R)
• M86: 91,195,012 km (0.113 R)
• M87: 91,497,050 km (0.096 R)
• M88: 91,648,144 km (0.09 R)
• M89: 94,535,382 km (0.105 R)
• M90: 96,066,816 km (0.04 R)
• M91: 96,989,685 km (0.105 R)
• M92: 101,178,725 km (0.114 R)
• M93: 101,491,235 km (0.079 R)
• M94: 103,688,827 km (0.057 R)
• M95: 105,109,708 km (0.116 R)
• M96: 105,426,257 km (0.067 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719.1

Radius: 6.6

Gravity: 16.51 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 15.02 AU - 23.24 AU

Year: 31030 Days

Day: 22.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 103,637,657 km

• M1: 156,180 km (0.114 R)
• M2: 201,508 km (0.099 R)
• M3: 353,350 km (0.072 R)
• M4: 674,836 km (0.1 R)
• M5: 760,107 km (0.087 R)
• M6: 879,635 km (0.1 R)
• M7: 1,274,723 km (0.108 R)
• M8: 1,491,341 km (0.114 R)
• M9: 2,041,263 km (0.105 R)
• M10: 2,124,589 km (0.029 R)
• M11: 2,337,916 km (0.041 R)
• M12: 3,114,328 km (0.081 R)
• M13: 3,406,044 km (0.089 R)
• M14: 3,605,458 km (0.113 R)
• M15: 3,655,873 km (0.115 R)
• M16: 4,068,015 km (0.105 R)
• M17: 4,603,874 km (0.026 R)
• M18: 5,333,164 km (0.098 R)
• M19: 5,623,234 km (0.093 R)
• M20: 5,740,818 km (0.062 R)
• M21: 6,647,531 km (0.118 R)
• M22: 8,794,260 km (0.043 R)
• M23: 8,999,210 km (0.117 R)
• M24: 9,274,918 km (0.032 R)
• M25: 10,622,496 km (0.105 R)
• M26: 11,430,325 km (0.112 R)
• M27: 14,934,505 km (0.108 R)
• M28: 15,425,036 km (0.069 R)
• M29: 16,254,257 km (0.08 R)
• M30: 16,758,851 km (0.073 R)
• M31: 18,042,401 km (0.05 R)
• M32: 19,180,242 km (0.039 R)
• M33: 19,623,949 km (0.063 R)
• M34: 20,431,329 km (0.107 R)
• M35: 21,524,590 km (0.08 R)
• M36: 21,985,651 km (0.109 R)
• M37: 23,672,517 km (0.087 R)
• M38: 25,013,063 km (0.067 R)
• M39: 26,970,551 km (0.103 R)
• M40: 31,134,159 km (0.059 R)
• M41: 31,550,939 km (0.103 R)
• M42: 31,760,077 km (0.113 R)
• M43: 32,179,549 km (0.099 R)
• M44: 32,284,866 km (0.083 R)
• M45: 34,519,858 km (0.115 R)
• M46: 35,059,308 km (0.032 R)
• M47: 35,384,384 km (0.032 R)
• M48: 39,025,148 km (0.063 R)
• M49: 39,925,577 km (0.119 R)
• M50: 40,605,350 km (0.057 R)
• M51: 40,719,044 km (0.113 R)
• M52: 41,746,782 km (0.107 R)
• M53: 42,091,306 km (0.074 R)
• M54: 42,321,387 km (0.091 R)
• M55: 42,552,067 km (0.082 R)
• M56: 44,294,882 km (0.058 R)
• M57: 44,411,868 km (0.117 R)
• M58: 45,116,175 km (0.067 R)
• M59: 45,233,908 km (0.083 R)
• M60: 45,587,707 km (0.119 R)
• M61: 46,179,516 km (0.095 R)
• M62: 47,131,557 km (0.108 R)
• M63: 48,571,736 km (0.1 R)
• M64: 52,111,521 km (0.113 R)
• M65: 52,358,656 km (0.117 R)
• M66: 52,854,125 km (0.086 R)
• M67: 52,978,291 km (0.106 R)
• M68: 53,351,238 km (0.089 R)
• M69: 58,791,664 km (0.112 R)
• M70: 65,869,139 km (0.081 R)
• M71: 67,208,938 km (0.051 R)
• M72: 67,477,915 km (0.107 R)
• M73: 69,235,540 km (0.054 R)
• M74: 70,461,046 km (0.074 R)
• M75: 71,831,063 km (0.113 R)
• M76: 71,968,693 km (0.092 R)
• M77: 72,243,804 km (0.106 R)
• M78: 74,736,852 km (0.087 R)
• M79: 75,574,152 km (0.092 R)
• M80: 79,095,985 km (0.059 R)
• M81: 84,840,992 km (0.119 R)
• M82: 85,277,369 km (0.115 R)
• M83: 85,422,927 km (0.105 R)
• M84: 86,736,995 km (0.038 R)
• M85: 87,323,119 km (0.028 R)
• M86: 88,794,265 km (0.077 R)
• M87: 91,165,092 km (0.103 R)
• M88: 91,910,239 km (0.109 R)
• M89: 92,807,078 km (0.059 R)
• M90: 93,406,666 km (0.112 R)
• M91: 94,007,452 km (0.087 R)
• M92: 94,157,797 km (0.101 R)
• M93: 96,120,372 km (0.06 R)
• M94: 98,554,180 km (0.112 R)
• M95: 99,165,736 km (0.116 R)
• M96: 101,933,745 km (0.115 R)
• M97: 102,552,183 km (0.115 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 20,111 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit