🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.64 AU - 0.8 AU

Year: 217 Days

Day: 16.9 Hours

Environment

Temp: 127 °C

Axial Tilt: 32.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 35,999,216 km

• M1: 120,426 km (0.049 R)
• M2: 602,431 km (0.063 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.24 AU - 1.36 AU

Year: 526 Days

Day: 18.8 Hours

Environment

Temp: 23 °C

Axial Tilt: 22.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.14 AU - 1.76 AU

Year: 619 Days

Day: 40.5 Hours

Environment

Temp: -5 °C

Axial Tilt: 46 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 35,999,216 km

• M1: 1,099,694 km (0.076 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.78 AU - 1.9 AU

Year: 885 Days

Day: 27.3 Hours

Environment

Temp: -37 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.12 AU - 2.12 AU

Year: 1095 Days

Day: 17.1 Hours

Environment

Temp: -58 °C

Axial Tilt: 12.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,999,216 km

• M1: 1,080,845 km (0.055 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.92 AU - 5.78 AU

Year: 3789 Days

Day: 25.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 20.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 11.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.3

Radius: 9.2

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 9.21 AU - 13.61 AU

Year: 13673 Days

Day: 9.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 35,999,216 km

• M1: 180,714 km (0.082 R)
• M2: 373,247 km (0.095 R)
• M3: 627,862 km (0.07 R)
• M4: 743,053 km (0.03 R)
• M5: 817,702 km (0.111 R)
• M6: 1,057,807 km (0.107 R)
• M7: 1,132,007 km (0.118 R)
• M8: 1,424,022 km (0.101 R)
• M9: 1,518,568 km (0.09 R)
• M10: 1,578,856 km (0.073 R)
• M11: 1,689,409 km (0.052 R)
• M12: 1,828,236 km (0.107 R)
• M13: 1,970,802 km (0.111 R)
• M14: 2,392,519 km (0.072 R)
• M15: 2,477,341 km (0.111 R)
• M16: 2,857,020 km (0.106 R)
• M17: 3,381,061 km (0.118 R)
• M18: 3,460,648 km (0.033 R)
• M19: 4,586,820 km (0.117 R)
• M20: 5,740,818 km (0.084 R)
• M21: 5,817,113 km (0.102 R)
• M22: 5,989,749 km (0.118 R)
• M23: 6,047,793 km (0.051 R)
• M24: 6,261,868 km (0.092 R)
• M25: 6,320,660 km (0.107 R)
• M26: 6,379,601 km (0.084 R)
• M27: 7,040,973 km (0.08 R)
• M28: 8,363,269 km (0.064 R)
• M29: 8,558,345 km (0.07 R)
• M30: 8,776,907 km (0.039 R)
• M31: 9,219,567 km (0.054 R)
• M32: 9,398,636 km (0.067 R)
• M33: 9,692,296 km (0.109 R)
• M34: 10,334,670 km (0.119 R)
• M35: 11,204,731 km (0.099 R)
• M36: 11,878,669 km (0.112 R)
• M37: 12,269,718 km (0.108 R)
• M38: 12,343,470 km (0.111 R)
• M39: 13,316,305 km (0.117 R)
• M40: 13,569,724 km (0.068 R)
• M41: 13,671,450 km (0.095 R)
• M42: 13,875,801 km (0.061 R)
• M43: 14,158,541 km (0.114 R)
• M44: 15,361,158 km (0.099 R)
• M45: 15,760,435 km (0.103 R)
• M46: 16,271,012 km (0.099 R)
• M47: 16,759,749 km (0.105 R)
• M48: 17,891,008 km (0.066 R)
• M49: 18,030,583 km (0.026 R)
• M50: 18,170,606 km (0.042 R)
• M51: 18,479,975 km (0.072 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.7

Radius: 11.8

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 9.1 AU - 14.92 AU

Year: 14766 Days

Day: 12.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 35,999,216 km

• M1: 166,951 km (0.06 R)
• M2: 290,968 km (0.118 R)
• M3: 464,352 km (0.102 R)
• M4: 665,112 km (0.047 R)
• M5: 770,429 km (0.115 R)
• M6: 1,075,758 km (0.092 R)
• M7: 1,170,155 km (0.081 R)
• M8: 1,267,543 km (0.071 R)
• M9: 1,631,066 km (0.1 R)
• M10: 1,722,470 km (0.109 R)
• M11: 1,815,669 km (0.104 R)
• M12: 1,910,664 km (0.066 R)
• M13: 2,125,636 km (0.032 R)
• M14: 2,390,275 km (0.09 R)
• M15: 3,018,885 km (0.119 R)
• M16: 3,201,095 km (0.084 R)
• M17: 3,410,682 km (0.09 R)
• M18: 3,917,220 km (0.118 R)
• M19: 4,166,899 km (0.12 R)
• M20: 4,760,952 km (0.119 R)
• M21: 5,520,161 km (0.109 R)
• M22: 5,603,637 km (0.059 R)
• M23: 6,551,040 km (0.065 R)
• M24: 7,028,258 km (0.079 R)
• M25: 7,362,908 km (0.103 R)
• M26: 8,494,616 km (0.055 R)
• M27: 8,720,957 km (0.081 R)
• M28: 9,646,220 km (0.07 R)
• M29: 10,567,893 km (0.079 R)
• M30: 10,741,576 km (0.086 R)
• M31: 11,339,519 km (0.032 R)
• M32: 11,624,802 km (0.062 R)
• M33: 12,238,602 km (0.071 R)
• M34: 12,641,469 km (0.095 R)
• M35: 12,825,923 km (0.093 R)
• M36: 12,974,324 km (0.118 R)
• M37: 13,648,711 km (0.113 R)
• M38: 13,724,258 km (0.065 R)
• M39: 13,914,098 km (0.104 R)
• M40: 14,181,130 km (0.06 R)
• M41: 14,296,021 km (0.085 R)
• M42: 14,992,549 km (0.063 R)
• M43: 15,344,852 km (0.106 R)
• M44: 15,423,540 km (0.117 R)
• M45: 15,818,928 km (0.107 R)
• M46: 16,338,032 km (0.11 R)
• M47: 16,903,213 km (0.037 R)
• M48: 17,025,285 km (0.077 R)
• M49: 17,433,986 km (0.108 R)
• M50: 17,721,962 km (0.072 R)
• M51: 18,302,701 km (0.106 R)
• M52: 18,679,239 km (0.102 R)
• M53: 18,763,313 km (0.052 R)
• M54: 19,568,149 km (0.042 R)
• M55: 19,781,775 km (0.093 R)
• M56: 20,082,168 km (0.118 R)
• M57: 20,427,440 km (0.044 R)
• M58: 20,818,040 km (0.099 R)
• M59: 21,211,183 km (0.051 R)
• M60: 22,093,810 km (0.08 R)
• M61: 22,584,342 km (0.105 R)
• M62: 23,712,459 km (0.106 R)
• M63: 23,803,415 km (0.071 R)
• M64: 25,602,030 km (0.073 R)
• M65: 25,695,529 km (0.073 R)
• M66: 26,730,447 km (0.077 R)
• M67: 26,825,292 km (0.079 R)
• M68: 26,920,137 km (0.099 R)
• M69: 27,491,900 km (0.076 R)
• M70: 28,453,515 km (0.04 R)
• M71: 28,695,714 km (0.085 R)
• M72: 29,084,519 km (0.111 R)
• M73: 30,459,174 km (0.089 R)
• M74: 31,104,688 km (0.098 R)
• M75: 31,955,601 km (0.079 R)
• M76: 32,662,002 km (0.047 R)
• M77: 32,814,143 km (0.09 R)
• M78: 33,118,874 km (0.059 R)
• M79: 33,220,750 km (0.059 R)
• M80: 34,502,206 km (0.098 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.9

Radius: 14.1

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 11.53 AU - 14.07 AU

Year: 16246 Days

Day: 11.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 35,999,216 km

• M1: 191,186 km (0.076 R)
• M2: 438,023 km (0.072 R)
• M3: 615,146 km (0.11 R)
• M4: 714,629 km (0.064 R)
• M5: 834,158 km (0.082 R)
• M6: 1,158,187 km (0.111 R)
• M7: 1,470,697 km (0.066 R)
• M8: 1,575,266 km (0.076 R)
• M9: 1,682,378 km (0.117 R)
• M10: 1,923,529 km (0.096 R)
• M11: 2,077,765 km (0.051 R)
• M12: 2,357,812 km (0.094 R)
• M13: 3,480,544 km (0.105 R)
• M14: 3,622,512 km (0.087 R)
• M15: 3,718,255 km (0.087 R)
• M16: 4,386,958 km (0.082 R)
• M17: 4,696,326 km (0.069 R)
• M18: 5,066,281 km (0.113 R)
• M19: 5,200,770 km (0.097 R)
• M20: 6,551,938 km (0.071 R)
• M21: 7,510,412 km (0.099 R)
• M22: 7,633,381 km (0.11 R)
• M23: 7,974,913 km (0.108 R)
• M24: 8,705,399 km (0.103 R)
• M25: 8,899,577 km (0.096 R)
• M26: 9,029,727 km (0.057 R)
• M27: 9,259,061 km (0.11 R)
• M28: 9,358,095 km (0.119 R)
• M29: 9,490,489 km (0.092 R)
• M30: 11,515,745 km (0.105 R)
• M31: 12,631,895 km (0.115 R)
• M32: 12,778,501 km (0.081 R)
• M33: 12,999,307 km (0.112 R)
• M34: 14,198,783 km (0.09 R)
• M35: 14,966,369 km (0.088 R)
• M36: 16,024,026 km (0.088 R)
• M37: 16,541,934 km (0.118 R)
• M38: 17,430,845 km (0.1 R)
• M39: 18,709,757 km (0.094 R)
• M40: 19,508,460 km (0.112 R)
• M41: 19,678,104 km (0.119 R)
• M42: 20,490,271 km (0.096 R)
• M43: 21,883,027 km (0.069 R)
• M44: 22,191,797 km (0.115 R)
• M45: 22,635,355 km (0.085 R)
• M46: 22,902,985 km (0.077 R)
• M47: 23,621,504 km (0.065 R)
• M48: 23,802,368 km (0.049 R)
• M49: 24,210,919 km (0.061 R)
• M50: 24,347,652 km (0.045 R)
• M51: 24,759,196 km (0.113 R)
• M52: 25,357,886 km (0.102 R)
• M53: 26,522,506 km (0.103 R)
• M54: 26,616,453 km (0.068 R)
• M55: 26,710,550 km (0.111 R)
• M56: 27,135,109 km (0.105 R)
• M57: 27,657,056 km (0.089 R)
• M58: 27,752,200 km (0.059 R)
• M59: 27,943,087 km (0.11 R)
• M60: 28,134,423 km (0.071 R)
• M61: 28,807,314 km (0.117 R)
• M62: 29,097,384 km (0.046 R)
• M63: 29,339,733 km (0.116 R)
• M64: 31,055,471 km (0.106 R)
• M65: 32,000,481 km (0.097 R)
• M66: 32,501,783 km (0.077 R)
• M67: 33,309,013 km (0.08 R)
• M68: 33,766,035 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 46.6

Radius: 4.7

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 15.81 AU - 18.27 AU

Year: 24954 Days

Day: 16.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 35,999,216 km

• M1: 124,465 km (0.077 R)
• M2: 303,983 km (0.079 R)
• M3: 401,521 km (0.109 R)
• M4: 560,543 km (0.114 R)
• M5: 738,415 km (0.066 R)
• M6: 781,948 km (0.115 R)
• M7: 996,621 km (0.028 R)
• M8: 1,045,091 km (0.035 R)
• M9: 1,094,308 km (0.037 R)
• M10: 1,316,461 km (0.113 R)
• M11: 1,552,527 km (0.116 R)
• M12: 1,685,070 km (0.069 R)
• M13: 1,782,159 km (0.093 R)
• M14: 1,880,894 km (0.072 R)
• M15: 2,209,411 km (0.058 R)
• M16: 2,251,747 km (0.095 R)
• M17: 2,315,625 km (0.045 R)
• M18: 2,533,290 km (0.1 R)
• M19: 2,849,091 km (0.114 R)
• M20: 2,895,168 km (0.059 R)
• M21: 2,988,217 km (0.113 R)
• M22: 3,248,967 km (0.111 R)
• M23: 3,741,892 km (0.102 R)
• M24: 3,971,225 km (0.118 R)
• M25: 4,551,066 km (0.089 R)
• M26: 5,044,889 km (0.114 R)
• M27: 5,185,062 km (0.062 R)
• M28: 5,326,582 km (0.106 R)
• M29: 5,613,361 km (0.074 R)
• M30: 5,671,255 km (0.072 R)
• M31: 6,261,868 km (0.092 R)
• M32: 6,352,075 km (0.086 R)
• M33: 6,412,513 km (0.097 R)
• M34: 6,686,726 km (0.118 R)
• M35: 6,809,845 km (0.072 R)
• M36: 7,500,388 km (0.112 R)
• M37: 7,789,262 km (0.074 R)
• M38: 8,610,704 km (0.114 R)
• M39: 8,744,744 km (0.082 R)
• M40: 8,879,382 km (0.111 R)
• M41: 9,911,158 km (0.079 R)
• M42: 10,263,461 km (0.1 R)
• M43: 10,727,514 km (0.109 R)
• M44: 10,871,726 km (0.114 R)
• M45: 11,052,889 km (0.101 R)
• M46: 11,418,057 km (0.091 R)
• M47: 11,454,859 km (0.108 R)
• M48: 11,750,165 km (0.115 R)
• M49: 12,273,159 km (0.12 R)
• M50: 12,956,522 km (0.101 R)
• M51: 13,302,841 km (0.074 R)
• M52: 14,598,508 km (0.074 R)
• M53: 19,198,194 km (0.108 R)
• M54: 19,285,559 km (0.064 R)
• M55: 19,548,851 km (0.12 R)
• M56: 19,724,928 km (0.097 R)
• M57: 21,062,483 km (0.117 R)
• M58: 24,059,377 km (0.049 R)
• M59: 24,295,293 km (0.066 R)
• M60: 24,389,988 km (0.073 R)
• M61: 25,582,881 km (0.089 R)
• M62: 25,679,222 km (0.072 R)
• M63: 27,284,707 km (0.106 R)
• M64: 27,383,142 km (0.117 R)
• M65: 27,827,149 km (0.098 R)
• M66: 27,876,666 km (0.06 R)
• M67: 28,622,411 km (0.088 R)
• M68: 28,922,504 km (0.106 R)
• M69: 29,475,568 km (0.074 R)
• M70: 29,626,961 km (0.079 R)
• M71: 30,336,952 km (0.047 R)
• M72: 30,796,367 km (0.05 R)
• M73: 31,722,079 km (0.074 R)
• M74: 31,980,883 km (0.1 R)
• M75: 32,448,377 km (0.118 R)
• M76: 33,337,586 km (0.107 R)
• M77: 33,653,387 km (0.111 R)
• M78: 34,128,959 km (0.068 R)
• M79: 34,447,154 km (0.119 R)
• M80: 35,461,427 km (0.066 R)

Kuiper Belt

Range: 30.9 - 56.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 19,294 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit