🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.45 AU - 0.67 AU

Year: 148 Days

Day: 28.7 Hours

Environment

Temp: 244 °C

Axial Tilt: 29.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 75,150,328 km

• M1: 139,126 km (0.072 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.44 AU - 0.7 AU

Year: 152 Days

Day: 20.6 Hours

Environment

Temp: 252 °C

Axial Tilt: 82 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.68 AU - 0.84 AU

Year: 234 Days

Day: 44.9 Hours

Environment

Temp: 170 °C

Axial Tilt: 22.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.97 AU - 1.09 AU

Year: 369 Days

Day: 46.9 Hours

Environment

Temp: 109 °C

Axial Tilt: 33.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 75,150,328 km

• M1: 323,730 km (0.106 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.34 AU - 1.4 AU

Year: 566 Days

Day: 43.6 Hours

Environment

Temp: -5 °C

Axial Tilt: 39.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.2 AU - 1.78 AU

Year: 642 Days

Day: 32.7 Hours

Environment

Temp: -11 °C

Axial Tilt: 1.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 7 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.7 AU - 1.86 AU

Year: 839 Days

Day: 22 Hours

Environment

Temp: -44 °C

Axial Tilt: 29.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.05 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.4

Radius: 9.3

Gravity: 11.32 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4.99 AU - 7.63 AU

Year: 5597 Days

Day: 10.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 75,150,328 km

• M1: 121,623 km (0.06 R)
• M2: 243,246 km (0.116 R)
• M3: 344,823 km (0.043 R)
• M4: 453,132 km (0.077 R)
• M5: 524,341 km (0.068 R)
• M6: 707,598 km (0.084 R)
• M7: 1,359,545 km (0.112 R)
• M8: 1,431,203 km (0.116 R)
• M9: 1,541,307 km (0.12 R)
• M10: 2,030,641 km (0.082 R)
• M11: 2,134,163 km (0.097 R)
• M12: 2,325,050 km (0.099 R)
• M13: 2,633,072 km (0.117 R)
• M14: 2,814,983 km (0.099 R)
• M15: 3,608,600 km (0.094 R)
• M16: 3,836,737 km (0.091 R)
• M17: 4,017,301 km (0.03 R)
• M18: 4,095,691 km (0.096 R)
• M19: 4,333,551 km (0.097 R)
• M20: 4,494,818 km (0.1 R)
• M21: 4,850,861 km (0.096 R)
• M22: 4,962,311 km (0.087 R)
• M23: 5,046,385 km (0.057 R)
• M24: 5,131,057 km (0.063 R)
• M25: 6,733,251 km (0.114 R)
• M26: 7,395,371 km (0.115 R)
• M27: 8,276,801 km (0.091 R)
• M28: 8,746,987 km (0.081 R)
• M29: 9,156,886 km (0.114 R)
• M30: 10,280,366 km (0.114 R)
• M31: 10,423,830 km (0.111 R)
• M32: 11,004,569 km (0.076 R)
• M33: 12,616,636 km (0.109 R)
• M34: 12,886,061 km (0.055 R)
• M35: 13,942,821 km (0.088 R)
• M36: 14,341,200 km (0.059 R)
• M37: 14,622,444 km (0.062 R)
• M38: 14,783,860 km (0.117 R)
• M39: 15,108,637 km (0.045 R)
• M40: 15,641,355 km (0.065 R)
• M41: 15,765,222 km (0.091 R)
• M42: 16,013,854 km (0.028 R)
• M43: 16,725,341 km (0.105 R)
• M44: 16,936,573 km (0.099 R)
• M45: 17,276,310 km (0.093 R)
• M46: 18,265,900 km (0.089 R)
• M47: 18,657,996 km (0.101 R)
• M48: 18,964,971 km (0.069 R)
• M49: 19,185,329 km (0.095 R)
• M50: 19,450,715 km (0.039 R)
• M51: 19,851,189 km (0.1 R)
• M52: 20,164,596 km (0.098 R)
• M53: 20,479,649 km (0.105 R)
• M54: 20,570,006 km (0.092 R)
• M55: 21,480,309 km (0.094 R)
• M56: 21,664,016 km (0.075 R)
• M57: 21,940,473 km (0.069 R)
• M58: 22,776,725 km (0.115 R)
• M59: 22,870,373 km (0.102 R)
• M60: 22,964,021 km (0.089 R)
• M61: 23,670,871 km (0.072 R)
• M62: 25,057,643 km (0.103 R)
• M63: 25,444,952 km (0.09 R)
• M64: 26,323,391 km (0.104 R)
• M65: 26,618,398 km (0.082 R)
• M66: 26,914,452 km (0.109 R)
• M67: 27,063,003 km (0.085 R)
• M68: 27,410,369 km (0.097 R)
• M69: 27,510,001 km (0.093 R)
• M70: 27,759,381 km (0.046 R)
• M71: 27,909,428 km (0.082 R)
• M72: 28,461,743 km (0.1 R)
• M73: 29,424,256 km (0.103 R)
• M74: 30,449,001 km (0.113 R)
• M75: 30,655,446 km (0.116 R)
• M76: 31,694,104 km (0.087 R)
• M77: 32,165,337 km (0.047 R)
• M78: 32,850,047 km (0.113 R)
• M79: 33,752,571 km (0.049 R)
• M80: 34,073,159 km (0.07 R)
• M81: 34,340,939 km (0.055 R)
• M82: 34,555,762 km (0.068 R)
• M83: 34,986,753 km (0.065 R)
• M84: 36,673,469 km (0.065 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.1

Radius: 11.4

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.25 AU - 9.35 AU

Year: 7692 Days

Day: 8.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 75,150,328 km

• M1: 144,212 km (0.114 R)
• M2: 231,877 km (0.095 R)
• M3: 388,057 km (0.098 R)
• M4: 537,655 km (0.119 R)
• M5: 686,654 km (0.116 R)
• M6: 1,108,670 km (0.033 R)
• M7: 1,233,285 km (0.117 R)
• M8: 1,333,515 km (0.08 R)
• M9: 1,466,658 km (0.091 R)
• M10: 1,558,062 km (0.109 R)
• M11: 1,860,399 km (0.057 R)
• M12: 2,375,764 km (0.093 R)
• M13: 2,502,473 km (0.081 R)
• M14: 2,819,471 km (0.113 R)
• M15: 2,992,556 km (0.119 R)
• M16: 3,430,728 km (0.095 R)
• M17: 3,678,312 km (0.116 R)
• M18: 3,804,423 km (0.103 R)
• M19: 4,323,079 km (0.088 R)
• M20: 4,456,221 km (0.08 R)
• M21: 4,590,859 km (0.104 R)
• M22: 4,956,477 km (0.114 R)
• M23: 5,862,292 km (0.108 R)
• M24: 5,936,044 km (0.108 R)
• M25: 6,059,462 km (0.109 R)
• M26: 6,134,111 km (0.056 R)
• M27: 6,536,829 km (0.08 R)
• M28: 6,741,478 km (0.044 R)
• M29: 6,844,551 km (0.095 R)
• M30: 7,052,343 km (0.096 R)
• M31: 7,742,288 km (0.106 R)
• M32: 8,704,801 km (0.101 R)
• M33: 8,817,298 km (0.069 R)
• M34: 9,072,064 km (0.076 R)
• M35: 10,026,797 km (0.105 R)
• M36: 10,203,921 km (0.112 R)
• M37: 10,411,713 km (0.078 R)
• M38: 10,771,346 km (0.11 R)
• M39: 11,287,758 km (0.102 R)
• M40: 11,410,578 km (0.069 R)
• M41: 13,013,668 km (0.081 R)
• M42: 13,110,159 km (0.09 R)
• M43: 13,596,352 km (0.111 R)
• M44: 13,857,999 km (0.074 R)
• M45: 13,989,495 km (0.088 R)
• M46: 14,286,746 km (0.075 R)
• M47: 14,419,589 km (0.079 R)
• M48: 14,519,521 km (0.052 R)
• M49: 15,225,024 km (0.088 R)
• M50: 15,462,735 km (0.05 R)
• M51: 15,941,897 km (0.105 R)
• M52: 16,114,234 km (0.11 R)
• M53: 16,391,139 km (0.074 R)
• M54: 16,565,122 km (0.04 R)
• M55: 16,879,726 km (0.06 R)
• M56: 17,302,191 km (0.081 R)
• M57: 17,621,432 km (0.071 R)
• M58: 17,763,999 km (0.114 R)
• M59: 19,027,054 km (0.076 R)
• M60: 19,283,166 km (0.078 R)
• M61: 20,095,632 km (0.1 R)
• M62: 20,730,974 km (0.091 R)
• M63: 20,806,221 km (0.095 R)
• M64: 20,994,565 km (0.11 R)
• M65: 21,335,050 km (0.106 R)
• M66: 21,525,039 km (0.109 R)
• M67: 21,983,258 km (0.114 R)
• M68: 22,715,240 km (0.088 R)
• M69: 22,792,881 km (0.099 R)
• M70: 23,730,112 km (0.083 R)
• M71: 25,079,185 km (0.088 R)
• M72: 25,440,614 km (0.057 R)
• M73: 25,641,973 km (0.093 R)
• M74: 26,127,717 km (0.106 R)
• M75: 26,371,711 km (0.095 R)
• M76: 26,903,083 km (0.059 R)
• M77: 27,355,317 km (0.08 R)
• M78: 27,561,762 km (0.106 R)
• M79: 27,644,490 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 564.2

Radius: 5.4

Gravity: 19.35 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 14 AU - 17.08 AU

Year: 21631 Days

Day: 18.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 115.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 75,150,328 km

• M1: 69,563 km (0.098 R)
• M2: 263,741 km (0.073 R)
• M3: 329,115 km (0.106 R)
• M4: 957,426 km (0.09 R)
• M5: 1,226,254 km (0.086 R)
• M6: 1,734,288 km (0.1 R)
• M7: 2,060,711 km (0.052 R)
• M8: 2,658,354 km (0.086 R)
• M9: 2,695,155 km (0.062 R)
• M10: 2,769,206 km (0.09 R)
• M11: 3,033,546 km (0.118 R)
• M12: 3,071,992 km (0.082 R)
• M13: 5,099,492 km (0.057 R)
• M14: 5,658,390 km (0.104 R)
• M15: 6,433,307 km (0.098 R)
• M16: 6,732,503 km (0.109 R)
• M17: 8,241,347 km (0.098 R)
• M18: 8,950,291 km (0.111 R)
• M19: 10,021,262 km (0.09 R)
• M20: 10,659,596 km (0.073 R)
• M21: 10,835,972 km (0.094 R)
• M22: 12,036,345 km (0.052 R)
• M23: 12,097,381 km (0.104 R)
• M24: 12,220,052 km (0.097 R)
• M25: 13,786,341 km (0.096 R)
• M26: 15,547,557 km (0.11 R)
• M27: 16,150,137 km (0.07 R)
• M28: 16,352,693 km (0.099 R)
• M29: 16,624,213 km (0.115 R)
• M30: 17,378,186 km (0.054 R)
• M31: 17,585,828 km (0.069 R)
• M32: 18,777,674 km (0.107 R)
• M33: 21,090,757 km (0.11 R)
• M34: 22,807,991 km (0.086 R)
• M35: 23,187,221 km (0.082 R)
• M36: 23,951,965 km (0.038 R)
• M37: 25,270,820 km (0.062 R)
• M38: 27,012,289 km (0.106 R)
• M39: 27,413,361 km (0.109 R)
• M40: 28,302,870 km (0.089 R)
• M41: 28,792,055 km (0.074 R)
• M42: 29,201,804 km (0.119 R)
• M43: 29,284,082 km (0.048 R)
• M44: 30,193,189 km (0.117 R)
• M45: 30,359,392 km (0.094 R)
• M46: 31,111,420 km (0.074 R)
• M47: 32,293,543 km (0.049 R)
• M48: 32,889,989 km (0.115 R)
• M49: 33,748,532 km (0.072 R)
• M50: 33,834,700 km (0.071 R)
• M51: 35,049,884 km (0.111 R)
• M52: 35,575,122 km (0.061 R)
• M53: 38,419,725 km (0.077 R)
• M54: 39,505,058 km (0.047 R)
• M55: 40,142,943 km (0.078 R)
• M56: 40,325,752 km (0.099 R)
• M57: 40,875,973 km (0.078 R)
• M58: 41,983,894 km (0.061 R)
• M59: 42,448,396 km (0.104 R)
• M60: 42,634,645 km (0.104 R)
• M61: 43,476,432 km (0.086 R)
• M62: 43,664,178 km (0.118 R)
• M63: 45,747,478 km (0.103 R)
• M64: 46,034,107 km (0.09 R)
• M65: 47,186,460 km (0.094 R)
• M66: 48,056,970 km (0.042 R)
• M67: 48,445,475 km (0.084 R)
• M68: 50,601,181 km (0.052 R)
• M69: 50,897,684 km (0.101 R)
• M70: 53,590,894 km (0.12 R)
• M71: 53,993,911 km (0.1 R)
• M72: 54,094,740 km (0.047 R)
• M73: 54,802,786 km (0.12 R)
• M74: 55,208,795 km (0.108 R)
• M75: 57,253,349 km (0.11 R)
• M76: 57,459,196 km (0.059 R)
• M77: 58,388,498 km (0.099 R)
• M78: 59,114,795 km (0.104 R)
• M79: 59,218,766 km (0.104 R)
• M80: 60,157,343 km (0.065 R)
• M81: 60,680,935 km (0.114 R)
• M82: 61,943,691 km (0.071 R)
• M83: 66,431,029 km (0.089 R)
• M84: 69,041,960 km (0.082 R)
• M85: 69,260,972 km (0.104 R)
• M86: 70,690,679 km (0.116 R)
• M87: 72,018,958 km (0.063 R)
• M88: 72,574,864 km (0.106 R)
• M89: 73,467,365 km (0.094 R)
• M90: 74,587,853 km (0.078 R)
• M91: 75,037,694 km (0.113 R)

Kuiper Belt

Range: 31.1 - 59.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 13,600 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit