🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.75 AU - 0.81 AU

Year: 258 Days

Day: 20.1 Hours

Environment

Temp: 128 °C

Axial Tilt: 16.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.13 AU - 1.29 AU

Year: 499 Days

Day: 12.1 Hours

Environment

Temp: 7 °C

Axial Tilt: 39.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 69,043,759 km

• M1: 49,666 km (0.053 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.28 AU - 2.34 AU

Year: 1316 Days

Day: 20.9 Hours

Environment

Temp: -91 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,043,759 km

• M1: 1,134,849 km (0.037 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.96 AU - 2.76 AU

Year: 1359 Days

Day: 12.1 Hours

Environment

Temp: -89 °C

Axial Tilt: 1.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,043,759 km

• M1: 342,729 km (0.099 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.28 AU - 2.78 AU

Year: 1508 Days

Day: 17 Hours

Environment

Temp: -87 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.01 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.3

Radius: 10.3

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 7.2 AU - 7.78 AU

Year: 7682 Days

Day: 9.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 69,043,759 km

• M1: 143,764 km (0.043 R)
• M2: 253,120 km (0.041 R)
• M3: 367,412 km (0.052 R)
• M4: 622,327 km (0.103 R)
• M5: 924,964 km (0.076 R)
• M6: 998,566 km (0.08 R)
• M7: 1,097,300 km (0.11 R)
• M8: 1,175,690 km (0.088 R)
• M9: 2,052,632 km (0.104 R)
• M10: 2,200,285 km (0.109 R)
• M11: 2,527,157 km (0.117 R)
• M12: 2,968,620 km (0.106 R)
• M13: 3,091,141 km (0.029 R)
• M14: 3,364,606 km (0.078 R)
• M15: 3,598,427 km (0.058 R)
• M16: 3,717,507 km (0.063 R)
• M17: 3,862,019 km (0.1 R)
• M18: 4,069,960 km (0.057 R)
• M19: 4,433,333 km (0.037 R)
• M20: 5,071,069 km (0.074 R)
• M21: 5,407,514 km (0.066 R)
• M22: 5,571,623 km (0.039 R)
• M23: 5,709,702 km (0.09 R)
• M24: 5,890,865 km (0.084 R)
• M25: 6,003,213 km (0.073 R)
• M26: 6,116,459 km (0.056 R)
• M27: 6,230,303 km (0.052 R)
• M28: 6,561,662 km (0.094 R)
• M29: 6,649,027 km (0.069 R)
• M30: 6,766,162 km (0.031 R)
• M31: 6,987,717 km (0.117 R)
• M32: 7,121,756 km (0.082 R)
• M33: 7,362,310 km (0.099 R)
• M34: 7,574,888 km (0.038 R)
• M35: 7,851,195 km (0.089 R)
• M36: 8,052,853 km (0.07 R)
• M37: 8,366,560 km (0.054 R)
• M38: 8,461,405 km (0.061 R)
• M39: 8,540,692 km (0.062 R)
• M40: 8,957,322 km (0.043 R)
• M41: 9,233,330 km (0.113 R)
• M42: 9,331,317 km (0.093 R)
• M43: 9,710,547 km (0.117 R)
• M44: 9,793,724 km (0.059 R)
• M45: 9,927,165 km (0.096 R)
• M46: 10,077,960 km (0.041 R)
• M47: 10,212,747 km (0.085 R)
• M48: 10,843,901 km (0.103 R)
• M49: 10,981,980 km (0.067 R)
• M50: 11,103,304 km (0.078 R)
• M51: 11,628,392 km (0.119 R)
• M52: 11,734,457 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.5

Radius: 12.6

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 8.56 AU - 9.32 AU

Year: 10017 Days

Day: 12.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 69,043,759 km

• M1: 158,275 km (0.048 R)
• M2: 272,418 km (0.096 R)
• M3: 621,878 km (0.1 R)
• M4: 942,766 km (0.101 R)
• M5: 1,081,892 km (0.089 R)
• M6: 1,359,545 km (0.118 R)
• M7: 2,658,953 km (0.035 R)
• M8: 2,773,545 km (0.087 R)
• M9: 2,860,610 km (0.12 R)
• M10: 3,371,637 km (0.113 R)
• M11: 3,878,624 km (0.068 R)
• M12: 4,274,909 km (0.106 R)
• M13: 4,546,279 km (0.117 R)
• M14: 5,688,309 km (0.097 R)
• M15: 5,874,559 km (0.058 R)
• M16: 7,034,092 km (0.091 R)
• M17: 7,314,887 km (0.051 R)
• M18: 7,436,211 km (0.101 R)
• M19: 8,011,864 km (0.061 R)
• M20: 9,162,421 km (0.091 R)
• M21: 9,249,786 km (0.081 R)
• M22: 9,690,352 km (0.094 R)
• M23: 9,913,252 km (0.074 R)
• M24: 11,099,713 km (0.07 R)
• M25: 11,804,618 km (0.111 R)
• M26: 12,282,584 km (0.078 R)
• M27: 13,109,710 km (0.113 R)
• M28: 13,754,477 km (0.074 R)
• M29: 14,613,019 km (0.051 R)
• M30: 15,126,290 km (0.089 R)
• M31: 15,489,064 km (0.037 R)
• M32: 15,802,322 km (0.109 R)
• M33: 15,907,190 km (0.102 R)
• M34: 17,076,298 km (0.099 R)
• M35: 17,454,032 km (0.049 R)
• M36: 17,671,248 km (0.048 R)
• M37: 17,889,213 km (0.114 R)
• M38: 19,271,946 km (0.116 R)
• M39: 20,061,374 km (0.1 R)
• M40: 20,976,464 km (0.096 R)
• M41: 21,729,988 km (0.076 R)
• M42: 22,906,576 km (0.094 R)
• M43: 23,502,573 km (0.053 R)
• M44: 24,043,370 km (0.079 R)
• M45: 24,345,707 km (0.051 R)
• M46: 25,137,379 km (0.069 R)
• M47: 25,567,174 km (0.047 R)
• M48: 27,121,944 km (0.114 R)
• M49: 27,499,679 km (0.117 R)
• M50: 29,737,663 km (0.065 R)
• M51: 30,062,141 km (0.112 R)
• M52: 30,322,591 km (0.046 R)
• M53: 30,583,789 km (0.057 R)
• M54: 31,108,279 km (0.108 R)
• M55: 33,505,734 km (0.086 R)
• M56: 33,708,140 km (0.058 R)
• M57: 34,182,066 km (0.09 R)
• M58: 34,521,953 km (0.087 R)
• M59: 34,794,819 km (0.089 R)
• M60: 34,931,402 km (0.041 R)
• M61: 35,273,832 km (0.057 R)
• M62: 36,030,946 km (0.095 R)
• M63: 36,238,439 km (0.049 R)
• M64: 36,446,230 km (0.116 R)
• M65: 37,491,321 km (0.106 R)
• M66: 37,841,829 km (0.042 R)
• M67: 38,475,675 km (0.108 R)
• M68: 38,970,993 km (0.099 R)
• M69: 39,397,198 km (0.118 R)
• M70: 39,682,331 km (0.101 R)
• M71: 40,111,079 km (0.062 R)
• M72: 40,541,472 km (0.115 R)
• M73: 41,696,667 km (0.108 R)
• M74: 42,059,890 km (0.043 R)
• M75: 42,497,165 km (0.078 R)
• M76: 42,789,479 km (0.072 R)
• M77: 42,935,935 km (0.103 R)
• M78: 43,155,844 km (0.111 R)
• M79: 43,965,468 km (0.083 R)
• M80: 45,525,175 km (0.108 R)
• M81: 45,749,422 km (0.058 R)
• M82: 46,951,890 km (0.115 R)
• M83: 47,178,531 km (0.119 R)
• M84: 47,481,167 km (0.115 R)
• M85: 48,393,266 km (0.114 R)
• M86: 49,157,711 km (0.073 R)
• M87: 49,695,066 km (0.092 R)
• M88: 50,234,516 km (0.03 R)
• M89: 50,931,044 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 390

Radius: 5

Gravity: 15.6 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 14.13 AU - 15.83 AU

Year: 21727 Days

Day: 16.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 69,043,759 km

• M1: 64,327 km (0.119 R)
• M2: 160,818 km (0.094 R)
• M3: 209,736 km (0.031 R)
• M4: 443,258 km (0.078 R)
• M5: 536,009 km (0.079 R)
• M6: 784,342 km (0.112 R)
• M7: 1,016,368 km (0.1 R)
• M8: 1,321,847 km (0.103 R)
• M9: 1,540,559 km (0.108 R)
• M10: 3,968,981 km (0.036 R)
• M11: 4,007,877 km (0.077 R)
• M12: 4,936,431 km (0.028 R)
• M13: 5,707,458 km (0.072 R)
• M14: 5,972,695 km (0.119 R)
• M15: 6,062,155 km (0.057 R)
• M16: 6,792,491 km (0.09 R)
• M17: 6,932,665 km (0.116 R)
• M18: 7,744,083 km (0.118 R)
• M19: 8,086,962 km (0.061 R)
• M20: 8,285,179 km (0.084 R)
• M21: 8,838,242 km (0.084 R)
• M22: 9,144,918 km (0.087 R)
• M23: 10,299,215 km (0.087 R)
• M24: 12,341,376 km (0.075 R)
• M25: 12,856,441 km (0.118 R)
• M26: 12,971,931 km (0.067 R)
• M27: 13,087,719 km (0.057 R)
• M28: 14,623,790 km (0.073 R)
• M29: 14,925,679 km (0.1 R)
• M30: 16,591,152 km (0.12 R)
• M31: 16,969,186 km (0.04 R)
• M32: 17,541,547 km (0.118 R)
• M33: 18,705,119 km (0.111 R)
• M34: 19,164,385 km (0.064 R)
• M35: 19,560,969 km (0.093 R)
• M36: 22,759,820 km (0.049 R)
• M37: 23,179,741 km (0.105 R)
• M38: 24,526,122 km (0.096 R)
• M39: 27,145,880 km (0.111 R)
• M40: 27,889,232 km (0.057 R)
• M41: 30,159,230 km (0.073 R)
• M42: 31,316,220 km (0.116 R)
• M43: 31,705,025 km (0.088 R)
• M44: 31,782,965 km (0.105 R)
• M45: 34,391,653 km (0.052 R)
• M46: 34,792,874 km (0.104 R)
• M47: 35,195,592 km (0.082 R)
• M48: 35,518,873 km (0.11 R)
• M49: 35,843,201 km (0.098 R)
• M50: 37,067,959 km (0.086 R)
• M51: 37,892,243 km (0.117 R)
• M52: 38,389,506 km (0.109 R)
• M53: 38,639,036 km (0.039 R)
• M54: 38,889,163 km (0.11 R)
• M55: 39,056,114 km (0.068 R)
• M56: 43,134,900 km (0.095 R)
• M57: 43,221,368 km (0.112 R)
• M58: 44,786,461 km (0.038 R)
• M59: 45,224,483 km (0.109 R)
• M60: 45,664,002 km (0.109 R)
• M61: 47,971,848 km (0.102 R)
• M62: 48,150,917 km (0.098 R)
• M63: 49,049,851 km (0.103 R)
• M64: 49,230,266 km (0.11 R)
• M65: 49,591,844 km (0.106 R)
• M66: 52,239,128 km (0.115 R)
• M67: 53,347,947 km (0.042 R)
• M68: 53,812,299 km (0.1 R)
• M69: 59,199,019 km (0.119 R)
• M70: 60,258,172 km (0.113 R)
• M71: 61,907,339 km (0.111 R)
• M72: 62,395,177 km (0.112 R)
• M73: 63,964,908 km (0.099 R)
• M74: 65,150,770 km (0.118 R)
• M75: 65,448,320 km (0.108 R)
• M76: 65,547,653 km (0.085 R)
• M77: 65,845,802 km (0.101 R)
• M78: 66,343,813 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 203.1

Radius: 6.8

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 16.59 AU - 21.99 AU

Year: 31749 Days

Day: 22.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 69,043,759 km

• M1: 224,098 km (0.03 R)
• M2: 340,934 km (0.117 R)
• M3: 615,745 km (0.085 R)
• M4: 764,894 km (0.094 R)
• M5: 809,773 km (0.058 R)
• M6: 949,946 km (0.111 R)
• M7: 1,098,048 km (0.114 R)
• M8: 1,149,211 km (0.106 R)
• M9: 1,280,558 km (0.111 R)
• M10: 1,389,166 km (0.084 R)
• M11: 2,331,034 km (0.111 R)
• M12: 2,464,475 km (0.093 R)
• M13: 2,915,363 km (0.057 R)
• M14: 3,316,884 km (0.114 R)
• M15: 3,696,863 km (0.106 R)
• M16: 4,211,479 km (0.053 R)
• M17: 4,875,544 km (0.085 R)
• M18: 5,394,798 km (0.092 R)
• M19: 5,438,780 km (0.06 R)
• M20: 5,705,812 km (0.097 R)
• M21: 8,756,263 km (0.101 R)
• M22: 9,174,089 km (0.089 R)
• M23: 9,867,027 km (0.115 R)
• M24: 10,301,758 km (0.068 R)
• M25: 10,631,921 km (0.086 R)
• M26: 11,021,474 km (0.041 R)
• M27: 11,529,209 km (0.07 R)
• M28: 12,334,195 km (0.11 R)
• M29: 12,567,568 km (0.107 R)
• M30: 13,395,592 km (0.091 R)
• M31: 13,997,873 km (0.093 R)
• M32: 14,979,684 km (0.104 R)
• M33: 15,730,665 km (0.044 R)
• M34: 16,686,446 km (0.089 R)
• M35: 16,879,876 km (0.102 R)
• M36: 17,399,280 km (0.1 R)
• M37: 17,989,892 km (0.087 R)
• M38: 18,720,678 km (0.073 R)
• M39: 18,988,907 km (0.087 R)
• M40: 19,123,395 km (0.099 R)
• M41: 19,461,187 km (0.098 R)
• M42: 19,596,872 km (0.114 R)
• M43: 20,624,310 km (0.053 R)
• M44: 21,179,319 km (0.118 R)
• M45: 21,598,941 km (0.078 R)
• M46: 22,375,204 km (0.082 R)
• M47: 23,592,931 km (0.077 R)
• M48: 24,027,812 km (0.111 R)
• M49: 24,465,385 km (0.107 R)
• M50: 24,831,900 km (0.111 R)
• M51: 24,979,104 km (0.119 R)
• M52: 25,126,608 km (0.086 R)
• M53: 25,793,665 km (0.072 R)
• M54: 25,942,664 km (0.087 R)
• M55: 27,069,585 km (0.089 R)
• M56: 27,753,397 km (0.111 R)
• M57: 28,059,175 km (0.082 R)
• M58: 28,135,769 km (0.117 R)
• M59: 29,916,881 km (0.101 R)
• M60: 30,623,731 km (0.117 R)
• M61: 32,214,106 km (0.106 R)
• M62: 32,857,676 km (0.068 R)
• M63: 33,424,353 km (0.112 R)
• M64: 34,076,001 km (0.078 R)
• M65: 36,891,583 km (0.1 R)
• M66: 38,667,609 km (0.079 R)
• M67: 39,523,159 km (0.095 R)
• M68: 40,125,739 km (0.055 R)
• M69: 41,165,594 km (0.097 R)
• M70: 43,183,669 km (0.096 R)
• M71: 47,224,009 km (0.096 R)
• M72: 47,497,623 km (0.11 R)
• M73: 48,689,469 km (0.07 R)
• M74: 49,242,832 km (0.117 R)
• M75: 49,335,283 km (0.079 R)
• M76: 52,135,008 km (0.116 R)
• M77: 53,649,088 km (0.093 R)
• M78: 53,839,376 km (0.043 R)
• M79: 54,315,995 km (0.098 R)
• M80: 55,465,804 km (0.058 R)
• M81: 55,754,528 km (0.07 R)
• M82: 56,043,701 km (0.025 R)
• M83: 56,430,112 km (0.102 R)
• M84: 56,526,752 km (0.114 R)
• M85: 56,914,211 km (0.112 R)
• M86: 60,243,212 km (0.114 R)
• M87: 60,738,082 km (0.104 R)
• M88: 62,630,794 km (0.058 R)
• M89: 64,441,826 km (0.103 R)
• M90: 66,473,963 km (0.108 R)
• M91: 67,087,764 km (0.085 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 467 - 15,090 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit