🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.39 AU - 0.65 AU

Year: 238 Days

Day: 15.4 Hours

Environment

Temp: -128 °C

Axial Tilt: 15.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.46 AU - 0.62 AU

Year: 252 Days

Day: 47.3 Hours

Environment

Temp: -111 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,176,471 km

• M1: 278,402 km (0.049 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.45 AU - 0.65 AU

Year: 259 Days

Day: 20.3 Hours

Environment

Temp: -132 °C

Axial Tilt: 0.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 40,176,471 km

• M1: 260,151 km (0.097 R)
• M2: 413,638 km (0.116 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.44 AU - 0.7 AU

Year: 274 Days

Day: 13.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 18.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.6

Radius: 14.7

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.89 AU - 1.29 AU

Year: 724 Days

Day: 5.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 40,176,471 km

• M1: 184,753 km (0.118 R)
• M2: 338,989 km (0.116 R)
• M3: 489,335 km (0.064 R)
• M4: 633,397 km (0.096 R)
• M5: 775,216 km (0.032 R)
• M6: 908,059 km (0.083 R)
• M7: 1,146,518 km (0.09 R)
• M8: 1,356,703 km (0.047 R)
• M9: 1,521,560 km (0.073 R)
• M10: 1,686,866 km (0.048 R)
• M11: 1,809,685 km (0.076 R)
• M12: 1,964,070 km (0.078 R)
• M13: 2,079,261 km (0.105 R)
• M14: 2,204,325 km (0.06 R)
• M15: 2,331,932 km (0.099 R)
• M16: 2,469,861 km (0.079 R)
• M17: 2,610,632 km (0.091 R)
• M18: 2,958,148 km (0.082 R)
• M19: 3,218,149 km (0.075 R)
• M20: 3,320,774 km (0.068 R)
• M21: 3,468,277 km (0.082 R)
• M22: 3,573,744 km (0.114 R)
• M23: 3,832,997 km (0.113 R)
• M24: 3,951,179 km (0.077 R)
• M25: 4,043,032 km (0.032 R)
• M26: 4,200,858 km (0.071 R)
• M27: 4,370,203 km (0.055 R)
• M28: 4,465,347 km (0.118 R)
• M29: 4,599,686 km (0.102 R)
• M30: 4,813,461 km (0.098 R)
• M31: 5,110,562 km (0.084 R)
• M32: 5,342,290 km (0.111 R)
• M33: 5,433,993 km (0.082 R)
• M34: 5,557,112 km (0.114 R)
• M35: 5,650,012 km (0.118 R)
• M36: 5,764,305 km (0.073 R)
• M37: 5,858,402 km (0.09 R)
• M38: 6,368,980 km (0.088 R)
• M39: 6,466,368 km (0.115 R)
• M40: 6,728,463 km (0.091 R)
• M41: 6,894,068 km (0.088 R)
• M42: 7,218,097 km (0.09 R)
• M43: 7,399,111 km (0.114 R)
• M44: 7,512,955 km (0.116 R)
• M45: 7,742,587 km (0.065 R)
• M46: 7,927,939 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891

Radius: 13.1

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.11 AU - 1.19 AU

Year: 784 Days

Day: 14.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 40,176,471 km

• M1: 165,306 km (0.093 R)
• M2: 308,321 km (0.07 R)
• M3: 447,597 km (0.098 R)
• M4: 540,048 km (0.091 R)
• M5: 737,966 km (0.102 R)
• M6: 986,748 km (0.068 R)
• M7: 1,115,402 km (0.082 R)
• M8: 1,284,597 km (0.065 R)
• M9: 1,462,918 km (0.091 R)
• M10: 1,641,986 km (0.116 R)
• M11: 1,868,627 km (0.066 R)
• M12: 1,965,417 km (0.1 R)
• M13: 2,064,002 km (0.031 R)
• M14: 2,283,611 km (0.048 R)
• M15: 2,370,079 km (0.097 R)
• M16: 2,502,174 km (0.107 R)
• M17: 2,736,893 km (0.12 R)
• M18: 2,875,570 km (0.054 R)
• M19: 3,073,937 km (0.077 R)
• M20: 3,325,860 km (0.12 R)
• M21: 3,494,307 km (0.104 R)
• M22: 3,675,769 km (0.06 R)
• M23: 3,870,845 km (0.079 R)
• M24: 4,048,268 km (0.084 R)
• M25: 4,207,141 km (0.112 R)
• M26: 4,335,795 km (0.04 R)
• M27: 4,454,875 km (0.071 R)
• M28: 4,685,256 km (0.059 R)
• M29: 4,818,697 km (0.092 R)
• M30: 5,123,577 km (0.118 R)
• M31: 5,226,650 km (0.099 R)
• M32: 5,318,952 km (0.106 R)
• M33: 5,434,891 km (0.119 R)
• M34: 5,540,058 km (0.102 R)
• M35: 5,657,791 km (0.078 R)
• M36: 5,776,273 km (0.12 R)
• M37: 6,173,306 km (0.086 R)
• M38: 6,307,645 km (0.104 R)
• M39: 6,442,881 km (0.115 R)
• M40: 6,653,964 km (0.067 R)
• M41: 7,146,739 km (0.086 R)
• M42: 7,249,363 km (0.097 R)
• M43: 7,443,092 km (0.096 R)
• M44: 7,703,991 km (0.108 R)
• M45: 8,007,824 km (0.078 R)
• M46: 8,194,672 km (0.068 R)
• M47: 8,329,011 km (0.066 R)
• M48: 8,423,557 km (0.064 R)
• M49: 8,695,526 km (0.106 R)
• M50: 8,832,707 km (0.07 R)
• M51: 8,929,048 km (0.096 R)
• M52: 9,012,075 km (0.042 R)
• M53: 9,192,490 km (0.106 R)
• M54: 9,318,302 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.3

Radius: 14.5

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.92 AU - 2.66 AU

Year: 2203 Days

Day: 9.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 40,176,471 km

• M1: 186,698 km (0.1 R)
• M2: 288,425 km (0.092 R)
• M3: 419,173 km (0.078 R)
• M4: 558,000 km (0.089 R)
• M5: 675,135 km (0.064 R)
• M6: 1,094,458 km (0.118 R)
• M7: 1,477,429 km (0.078 R)
• M8: 1,673,252 km (0.086 R)
• M9: 2,104,244 km (0.097 R)
• M10: 2,313,082 km (0.078 R)
• M11: 2,433,658 km (0.083 R)
• M12: 2,528,952 km (0.072 R)
• M13: 2,667,330 km (0.097 R)
• M14: 2,851,186 km (0.047 R)
• M15: 3,321,970 km (0.095 R)
• M16: 3,489,520 km (0.095 R)
• M17: 3,738,451 km (0.063 R)
• M18: 3,897,025 km (0.079 R)
• M19: 4,009,373 km (0.117 R)
• M20: 4,122,917 km (0.047 R)
• M21: 4,221,054 km (0.115 R)
• M22: 4,353,148 km (0.075 R)
• M23: 4,486,739 km (0.116 R)
• M24: 4,964,854 km (0.093 R)
• M25: 5,122,231 km (0.073 R)
• M26: 5,370,115 km (0.057 R)
• M27: 5,513,579 km (0.053 R)
• M28: 5,841,198 km (0.08 R)
• M29: 6,081,752 km (0.063 R)
• M30: 7,195,059 km (0.05 R)
• M31: 7,373,529 km (0.111 R)
• M32: 7,694,417 km (0.066 R)
• M33: 7,795,545 km (0.092 R)
• M34: 8,370,599 km (0.077 R)
• M35: 8,980,809 km (0.101 R)
• M36: 9,431,697 km (0.111 R)
• M37: 9,540,155 km (0.08 R)
• M38: 9,824,092 km (0.113 R)
• M39: 10,066,590 km (0.027 R)
• M40: 10,378,053 km (0.085 R)
• M41: 10,647,628 km (0.114 R)
• M42: 10,805,903 km (0.102 R)
• M43: 11,377,816 km (0.105 R)
• M44: 11,562,868 km (0.053 R)
• M45: 11,655,768 km (0.052 R)
• M46: 11,748,968 km (0.084 R)
• M47: 11,865,654 km (0.072 R)
• M48: 12,455,668 km (0.088 R)
• M49: 12,622,470 km (0.088 R)
• M50: 13,860,991 km (0.043 R)
• M51: 14,058,759 km (0.111 R)
• M52: 14,157,942 km (0.099 R)
• M53: 14,532,236 km (0.112 R)
• M54: 14,909,821 km (0.117 R)
• M55: 15,036,381 km (0.104 R)
• M56: 15,239,685 km (0.074 R)
• M57: 15,829,250 km (0.054 R)
• M58: 16,061,875 km (0.105 R)
• M59: 16,504,684 km (0.101 R)
• M60: 16,925,054 km (0.114 R)
• M61: 17,030,670 km (0.098 R)
• M62: 17,375,493 km (0.025 R)
• M63: 17,776,266 km (0.117 R)
• M64: 17,910,605 km (0.105 R)
• M65: 18,207,258 km (0.062 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.1

Radius: 14.6

Gravity: 0.05 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.27 AU - 2.39 AU

Year: 2261 Days

Day: 5.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,176,471 km

• M1: 203,304 km (0.072 R)
• M2: 422,016 km (0.057 R)
• M3: 698,024 km (0.054 R)
• M4: 1,145,620 km (0.083 R)
• M5: 1,279,211 km (0.103 R)
• M6: 1,452,147 km (0.106 R)
• M7: 1,580,651 km (0.114 R)
• M8: 1,785,750 km (0.071 R)
• M9: 1,896,303 km (0.109 R)
• M10: 2,188,318 km (0.035 R)
• M11: 2,362,599 km (0.097 R)
• M12: 2,454,003 km (0.072 R)
• M13: 2,630,230 km (0.094 R)
• M14: 2,794,787 km (0.111 R)
• M15: 2,886,491 km (0.068 R)
• M16: 3,006,618 km (0.075 R)
• M17: 3,769,418 km (0.096 R)
• M18: 3,883,112 km (0.11 R)
• M19: 4,071,456 km (0.117 R)
• M20: 4,256,508 km (0.092 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.7

Radius: 10.9

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.8 AU - 6.12 AU

Year: 7024 Days

Day: 5.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 66.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 40,176,471 km

• M1: 216,618 km (0.091 R)
• M2: 343,626 km (0.087 R)
• M3: 505,042 km (0.08 R)
• M4: 596,746 km (0.093 R)
• M5: 1,058,555 km (0.11 R)
• M6: 1,517,371 km (0.073 R)
• M7: 1,883,886 km (0.077 R)
• M8: 2,121,597 km (0.103 R)
• M9: 2,819,172 km (0.068 R)
• M10: 2,917,458 km (0.103 R)
• M11: 3,041,774 km (0.076 R)
• M12: 3,690,131 km (0.065 R)
• M13: 3,961,352 km (0.04 R)
• M14: 4,044,079 km (0.049 R)
• M15: 4,352,101 km (0.062 R)
• M16: 4,697,074 km (0.11 R)
• M17: 5,230,989 km (0.107 R)
• M18: 5,690,853 km (0.069 R)
• M19: 5,941,429 km (0.092 R)
• M20: 6,485,965 km (0.104 R)
• M21: 7,046,658 km (0.058 R)
• M22: 7,248,316 km (0.103 R)
• M23: 7,726,132 km (0.076 R)
• M24: 8,143,958 km (0.079 R)
• M25: 8,604,870 km (0.1 R)
• M26: 8,928,899 km (0.105 R)
• M27: 9,147,311 km (0.112 R)
• M28: 9,367,370 km (0.111 R)
• M29: 9,775,473 km (0.075 R)
• M30: 10,379,399 km (0.111 R)
• M31: 11,386,492 km (0.049 R)
• M32: 11,544,318 km (0.053 R)
• M33: 11,981,742 km (0.113 R)
• M34: 12,262,986 km (0.094 R)
• M35: 12,343,769 km (0.045 R)
• M36: 12,465,243 km (0.096 R)
• M37: 13,409,654 km (0.08 R)
• M38: 13,618,044 km (0.106 R)
• M39: 13,869,518 km (0.078 R)
• M40: 14,292,132 km (0.085 R)
• M41: 14,590,430 km (0.09 R)
• M42: 14,761,869 km (0.052 R)
• M43: 15,760,435 km (0.11 R)
• M44: 16,112,887 km (0.081 R)
• M45: 16,290,011 km (0.071 R)
• M46: 16,512,463 km (0.091 R)
• M47: 17,005,239 km (0.094 R)
• M48: 17,276,160 km (0.081 R)
• M49: 17,959,673 km (0.062 R)
• M50: 19,400,001 km (0.045 R)
• M51: 19,588,495 km (0.111 R)
• M52: 20,205,586 km (0.047 R)
• M53: 20,973,771 km (0.039 R)
• M54: 21,507,387 km (0.086 R)
• M55: 22,193,143 km (0.061 R)
• M56: 22,489,198 km (0.114 R)
• M57: 22,588,231 km (0.076 R)
• M58: 23,335,173 km (0.106 R)
• M59: 23,586,049 km (0.082 R)
• M60: 23,686,579 km (0.063 R)
• M61: 24,242,335 km (0.082 R)
• M62: 24,700,104 km (0.111 R)
• M63: 25,263,640 km (0.114 R)
• M64: 25,624,470 km (0.11 R)
• M65: 25,727,842 km (0.108 R)
• M66: 26,455,635 km (0.062 R)
• M67: 27,242,819 km (0.113 R)
• M68: 28,197,553 km (0.08 R)
• M69: 29,271,367 km (0.083 R)
• M70: 29,650,298 km (0.118 R)
• M71: 30,194,535 km (0.096 R)
• M72: 30,851,868 km (0.079 R)
• M73: 31,735,842 km (0.086 R)
• M74: 32,908,540 km (0.058 R)
• M75: 33,981,755 km (0.093 R)
• M76: 34,266,140 km (0.062 R)
• M77: 35,353,866 km (0.106 R)
• M78: 36,802,273 km (0.067 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 13,637 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit