🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.62 AU - 0.78 AU

Year: 217 Days

Day: 19.8 Hours

Environment

Temp: 150 °C

Axial Tilt: 5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.88 AU - 0.98 AU

Year: 333 Days

Day: 29.9 Hours

Environment

Temp: 39 °C

Axial Tilt: 4.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 114,371,231 km

• M1: 122,521 km (0.027 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.13 AU - 1.17 AU

Year: 457 Days

Day: 46.3 Hours

Environment

Temp: 10 °C

Axial Tilt: 31.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.7 AU - 1.86 AU

Year: 881 Days

Day: 39.5 Hours

Environment

Temp: -54 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.84 AU - 1.96 AU

Year: 971 Days

Day: 30.3 Hours

Environment

Temp: -70 °C

Axial Tilt: 44.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 114,371,231 km

• M1: 1,045,988 km (0.111 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.82 AU - 2.92 AU

Year: 1353 Days

Day: 42.3 Hours

Environment

Temp: -96 °C

Axial Tilt: 34.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.4

Radius: 14.8

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 6 AU - 7.28 AU

Year: 6345 Days

Day: 7.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 114,371,231 km

• M1: 250,876 km (0.089 R)
• M2: 347,067 km (0.028 R)
• M3: 468,092 km (0.102 R)
• M4: 756,367 km (0.103 R)
• M5: 1,045,540 km (0.104 R)
• M6: 1,590,225 km (0.111 R)
• M7: 2,120,251 km (0.103 R)
• M8: 2,217,190 km (0.111 R)
• M9: 2,599,712 km (0.103 R)
• M10: 2,895,317 km (0.095 R)
• M11: 3,179,852 km (0.093 R)
• M12: 3,519,739 km (0.102 R)
• M13: 3,659,014 km (0.106 R)
• M14: 4,088,061 km (0.086 R)
• M15: 4,839,342 km (0.033 R)
• M16: 5,178,181 km (0.094 R)
• M17: 5,390,759 km (0.071 R)
• M18: 6,017,874 km (0.107 R)
• M19: 6,668,325 km (0.112 R)
• M20: 7,430,676 km (0.054 R)
• M21: 7,670,930 km (0.106 R)
• M22: 7,792,104 km (0.104 R)
• M23: 7,913,727 km (0.065 R)
• M24: 8,942,213 km (0.106 R)
• M25: 9,618,694 km (0.115 R)
• M26: 9,782,205 km (0.077 R)
• M27: 10,111,918 km (0.108 R)
• M28: 10,579,861 km (0.111 R)
• M29: 10,714,947 km (0.075 R)
• M30: 10,918,550 km (0.098 R)
• M31: 11,157,608 km (0.109 R)
• M32: 11,364,053 km (0.108 R)
• M33: 11,745,826 km (0.103 R)
• M34: 12,026,023 km (0.111 R)
• M35: 12,308,614 km (0.085 R)
• M36: 12,450,582 km (0.08 R)
• M37: 12,593,298 km (0.107 R)
• M38: 13,387,513 km (0.055 R)
• M39: 13,533,671 km (0.074 R)
• M40: 15,252,550 km (0.063 R)
• M41: 15,712,264 km (0.103 R)
• M42: 15,943,842 km (0.062 R)
• M43: 16,802,534 km (0.098 R)
• M44: 17,877,095 km (0.1 R)
• M45: 18,402,483 km (0.114 R)
• M46: 19,344,351 km (0.062 R)
• M47: 19,509,657 km (0.058 R)
• M48: 19,966,977 km (0.084 R)
• M49: 20,934,726 km (0.084 R)
• M50: 21,360,182 km (0.084 R)
• M51: 21,745,546 km (0.046 R)
• M52: 21,960,668 km (0.09 R)
• M53: 22,740,971 km (0.102 R)
• M54: 23,222,377 km (0.102 R)
• M55: 23,354,172 km (0.028 R)
• M56: 23,486,267 km (0.104 R)
• M57: 23,795,486 km (0.054 R)
• M58: 24,150,631 km (0.103 R)
• M59: 24,910,888 km (0.113 R)
• M60: 25,271,419 km (0.061 R)
• M61: 25,815,506 km (0.099 R)
• M62: 25,952,089 km (0.118 R)
• M63: 26,822,898 km (0.111 R)
• M64: 26,915,200 km (0.09 R)
• M65: 27,517,182 km (0.12 R)
• M66: 27,656,757 km (0.115 R)
• M67: 27,843,305 km (0.1 R)
• M68: 28,264,423 km (0.068 R)
• M69: 28,499,292 km (0.092 R)
• M70: 28,640,512 km (0.026 R)
• M71: 28,734,759 km (0.101 R)
• M72: 31,659,547 km (0.055 R)
• M73: 31,903,541 km (0.046 R)
• M74: 32,491,461 km (0.103 R)
• M75: 32,786,917 km (0.084 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.2

Radius: 9.5

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 9.08 AU - 14.48 AU

Year: 14994 Days

Day: 11.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 114,371,231 km

• M1: 127,009 km (0.041 R)
• M2: 231,877 km (0.12 R)
• M3: 346,319 km (0.048 R)
• M4: 417,976 km (0.103 R)
• M5: 655,987 km (0.077 R)
• M6: 877,092 km (0.101 R)
• M7: 966,402 km (0.087 R)
• M8: 1,320,500 km (0.076 R)
• M9: 1,389,166 km (0.111 R)
• M10: 1,584,541 km (0.104 R)
• M11: 1,732,343 km (0.075 R)
• M12: 2,203,277 km (0.116 R)
• M13: 2,368,882 km (0.044 R)
• M14: 2,690,667 km (0.111 R)
• M15: 2,935,559 km (0.09 R)
• M16: 3,375,676 km (0.078 R)
• M17: 3,567,311 km (0.044 R)
• M18: 4,421,066 km (0.113 R)
• M19: 4,737,166 km (0.072 R)
• M20: 5,307,882 km (0.035 R)
• M21: 5,587,331 km (0.116 R)
• M22: 6,015,630 km (0.081 R)
• M23: 6,248,404 km (0.08 R)
• M24: 6,365,988 km (0.118 R)
• M25: 6,662,940 km (0.025 R)
• M26: 7,086,451 km (0.099 R)
• M27: 8,473,523 km (0.052 R)
• M28: 8,701,809 km (0.082 R)
• M29: 9,097,944 km (0.093 R)
• M30: 9,198,025 km (0.048 R)
• M31: 10,114,013 km (0.031 R)
• M32: 10,286,798 km (0.089 R)
• M33: 10,495,637 km (0.072 R)
• M34: 10,740,828 km (0.043 R)
• M35: 11,452,016 km (0.064 R)
• M36: 12,141,812 km (0.115 R)
• M37: 12,325,518 km (0.104 R)
• M38: 12,473,171 km (0.078 R)
• M39: 13,713,786 km (0.104 R)
• M40: 14,679,590 km (0.1 R)
• M41: 15,507,764 km (0.118 R)
• M42: 15,587,500 km (0.118 R)
• M43: 16,148,941 km (0.084 R)
• M44: 18,418,490 km (0.101 R)
• M45: 19,054,580 km (0.118 R)
• M46: 19,225,421 km (0.105 R)
• M47: 19,870,636 km (0.066 R)
• M48: 20,261,236 km (0.029 R)
• M49: 20,348,452 km (0.097 R)
• M50: 21,536,857 km (0.089 R)
• M51: 21,804,039 km (0.038 R)
• M52: 21,982,809 km (0.109 R)
• M53: 22,702,674 km (0.047 R)
• M54: 23,842,759 km (0.117 R)
• M55: 24,211,518 km (0.053 R)
• M56: 24,350,345 km (0.117 R)
• M57: 24,535,696 km (0.101 R)
• M58: 25,517,058 km (0.066 R)
• M59: 25,705,402 km (0.117 R)
• M60: 26,463,564 km (0.104 R)
• M61: 26,845,338 km (0.081 R)
• M62: 27,421,439 km (0.085 R)
• M63: 28,537,140 km (0.083 R)
• M64: 28,683,746 km (0.091 R)
• M65: 28,879,570 km (0.091 R)
• M66: 28,977,706 km (0.079 R)
• M67: 29,272,713 km (0.104 R)
• M68: 29,371,298 km (0.034 R)
• M69: 29,717,019 km (0.119 R)
• M70: 29,915,236 km (0.053 R)
• M71: 30,113,902 km (0.074 R)
• M72: 31,972,057 km (0.051 R)
• M73: 32,889,391 km (0.084 R)
• M74: 33,145,802 km (0.031 R)
• M75: 33,660,568 km (0.091 R)
• M76: 33,867,163 km (0.102 R)
• M77: 34,022,445 km (0.025 R)
• M78: 34,125,967 km (0.119 R)
• M79: 34,385,519 km (0.11 R)
• M80: 34,958,928 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 988

Radius: 7.3

Gravity: 18.54 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 18.99 AU - 18.99 AU

Year: 30690 Days

Day: 19 Hours

Environment

Temp: -200 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 114,371,231 km

• M1: 463,753 km (0.063 R)
• M2: 569,818 km (0.056 R)
• M3: 1,145,471 km (0.075 R)
• M4: 1,368,521 km (0.074 R)
• M5: 3,489,969 km (0.104 R)
• M6: 3,704,642 km (0.066 R)
• M7: 3,979,004 km (0.069 R)
• M8: 5,080,792 km (0.109 R)
• M9: 8,030,414 km (0.069 R)
• M10: 8,242,843 km (0.112 R)
• M11: 8,600,830 km (0.108 R)
• M12: 9,184,262 km (0.106 R)
• M13: 9,480,765 km (0.091 R)
• M14: 9,855,807 km (0.082 R)
• M15: 10,466,017 km (0.108 R)
• M16: 11,245,870 km (0.094 R)
• M17: 12,044,424 km (0.08 R)
• M18: 12,614,242 km (0.118 R)
• M19: 13,192,887 km (0.063 R)
• M20: 14,119,496 km (0.118 R)
• M21: 16,123,958 km (0.107 R)
• M22: 16,302,428 km (0.082 R)
• M23: 17,022,742 km (0.06 R)
• M24: 17,478,417 km (0.112 R)
• M25: 17,569,971 km (0.074 R)
• M26: 17,753,677 km (0.103 R)
• M27: 18,401,436 km (0.089 R)
• M28: 19,340,312 km (0.106 R)
• M29: 19,720,291 km (0.105 R)
• M30: 19,815,734 km (0.09 R)
• M31: 20,391,087 km (0.095 R)
• M32: 24,160,804 km (0.093 R)
• M33: 24,981,348 km (0.116 R)
• M34: 25,394,987 km (0.04 R)
• M35: 25,602,778 km (0.055 R)
• M36: 26,019,857 km (0.082 R)
• M37: 26,544,347 km (0.084 R)
• M38: 28,246,172 km (0.095 R)
• M39: 30,422,522 km (0.114 R)
• M40: 31,307,992 km (0.068 R)
• M41: 33,672,686 km (0.078 R)
• M42: 33,786,679 km (0.099 R)
• M43: 34,244,149 km (0.119 R)
• M44: 34,703,564 km (0.065 R)
• M45: 35,744,766 km (0.107 R)
• M46: 38,214,028 km (0.1 R)
• M47: 38,571,268 km (0.09 R)
• M48: 38,929,555 km (0.091 R)
• M49: 40,495,096 km (0.109 R)
• M50: 40,980,841 km (0.112 R)
• M51: 43,190,850 km (0.062 R)
• M52: 43,562,900 km (0.098 R)
• M53: 44,685,482 km (0.071 R)
• M54: 47,214,135 km (0.081 R)
• M55: 48,624,544 km (0.119 R)
• M56: 49,659,013 km (0.063 R)
• M57: 51,355,453 km (0.115 R)
• M58: 53,203,585 km (0.114 R)
• M59: 54,135,729 km (0.076 R)
• M60: 60,532,684 km (0.077 R)
• M61: 62,203,842 km (0.076 R)
• M62: 62,904,708 km (0.099 R)
• M63: 64,031,329 km (0.108 R)
• M64: 66,877,130 km (0.083 R)
• M65: 69,763,920 km (0.115 R)
• M66: 71,515,412 km (0.094 R)
• M67: 74,169,727 km (0.058 R)
• M68: 75,210,629 km (0.102 R)
• M69: 78,513,450 km (0.1 R)
• M70: 78,815,937 km (0.088 R)
• M71: 79,726,091 km (0.12 R)
• M72: 82,323,559 km (0.091 R)
• M73: 83,710,032 km (0.083 R)
• M74: 84,173,785 km (0.052 R)
• M75: 85,570,431 km (0.077 R)
• M76: 89,332,069 km (0.054 R)
• M77: 90,122,544 km (0.083 R)
• M78: 92,348,112 km (0.033 R)
• M79: 94,269,996 km (0.098 R)
• M80: 94,591,631 km (0.087 R)
• M81: 95,881,763 km (0.081 R)
• M82: 96,528,924 km (0.043 R)
• M83: 97,665,119 km (0.111 R)
• M84: 98,316,319 km (0.101 R)
• M85: 99,295,886 km (0.112 R)
• M86: 99,786,866 km (0.105 R)
• M87: 101,758,865 km (0.069 R)
• M88: 103,743,580 km (0.029 R)
• M89: 104,740,800 km (0.107 R)
• M90: 105,240,606 km (0.074 R)
• M91: 107,415,460 km (0.079 R)
• M92: 108,929,839 km (0.035 R)
• M93: 109,267,332 km (0.073 R)
• M94: 112,320,325 km (0.085 R)
• M95: 114,371,162 km (0.109 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 10,406 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit