🌌 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: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.48 AU - 0.56 AU

Year: 140 Days

Day: 21.5 Hours

Environment

Temp: 178 °C

Axial Tilt: 4.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 59,249,341 km

• M1: 36,502 km (0.085 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.15 AU - 1.19 AU

Year: 472 Days

Day: 33.2 Hours

Environment

Temp: -13 °C

Axial Tilt: 7.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 59,249,341 km

• M1: 386,411 km (0.115 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.01 AU - 1.47 AU

Year: 515 Days

Day: 41.7 Hours

Environment

Temp: 1 °C

Axial Tilt: 6.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 59,249,341 km

• M1: 493,823 km (0.116 R)
• M2: 836,701 km (0.045 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.45 AU - 1.55 AU

Year: 685 Days

Day: 25.3 Hours

Environment

Temp: -38 °C

Axial Tilt: 77 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.5 AU - 3.58 AU

Year: 1976 Days

Day: 19.4 Hours

Environment

Temp: -100 °C

Axial Tilt: 43.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.09 AU - 4.09 AU

Year: 3083 Days

Day: 19.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 43.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.6

Radius: 11.4

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.46 AU - 5.02 AU

Year: 3847 Days

Day: 8 Hours

Environment

Temp: -146 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 59,249,341 km

• M1: 142,567 km (0.107 R)
• M2: 216,169 km (0.106 R)
• M3: 308,770 km (0.103 R)
• M4: 643,869 km (0.088 R)
• M5: 747,541 km (0.074 R)
• M6: 1,107,473 km (0.117 R)
• M7: 1,300,753 km (0.098 R)
• M8: 1,604,587 km (0.111 R)
• M9: 1,824,944 km (0.026 R)
• M10: 1,977,534 km (0.073 R)
• M11: 2,102,598 km (0.117 R)
• M12: 2,246,661 km (0.104 R)
• M13: 2,460,586 km (0.088 R)
• M14: 2,750,656 km (0.052 R)
• M15: 2,838,021 km (0.111 R)
• M16: 3,345,158 km (0.098 R)
• M17: 3,438,657 km (0.113 R)
• M18: 3,724,688 km (0.09 R)
• M19: 4,525,186 km (0.052 R)
• M20: 4,775,613 km (0.043 R)
• M21: 5,030,677 km (0.077 R)
• M22: 5,333,912 km (0.087 R)
• M23: 5,487,848 km (0.067 R)
• M24: 5,620,990 km (0.085 R)
• M25: 5,867,677 km (0.117 R)
• M26: 6,118,104 km (0.053 R)
• M27: 6,441,984 km (0.079 R)
• M28: 6,558,969 km (0.1 R)
• M29: 6,938,349 km (0.025 R)
• M30: 7,251,757 km (0.039 R)
• M31: 7,569,951 km (0.111 R)
• M32: 7,644,002 km (0.051 R)
• M33: 7,718,353 km (0.104 R)
• M34: 8,245,386 km (0.086 R)
• M35: 8,372,544 km (0.101 R)
• M36: 8,526,031 km (0.055 R)
• M37: 8,862,028 km (0.079 R)
• M38: 8,940,118 km (0.116 R)
• M39: 9,175,885 km (0.115 R)
• M40: 9,626,922 km (0.116 R)
• M41: 10,771,944 km (0.109 R)
• M42: 10,883,245 km (0.064 R)
• M43: 11,050,944 km (0.081 R)
• M44: 11,163,292 km (0.105 R)
• M45: 11,360,612 km (0.066 R)
• M46: 11,445,583 km (0.096 R)
• M47: 11,959,751 km (0.057 R)
• M48: 12,248,774 km (0.07 R)
• M49: 12,394,034 km (0.08 R)
• M50: 12,892,494 km (0.117 R)
• M51: 12,981,206 km (0.073 R)
• M52: 13,248,387 km (0.026 R)
• M53: 14,212,994 km (0.038 R)
• M54: 14,396,401 km (0.107 R)
• M55: 14,549,889 km (0.05 R)
• M56: 14,734,792 km (0.074 R)
• M57: 14,982,376 km (0.089 R)
• M58: 15,387,787 km (0.061 R)
• M59: 15,607,695 km (0.114 R)
• M60: 16,018,641 km (0.112 R)
• M61: 16,114,084 km (0.083 R)
• M62: 16,241,392 km (0.097 R)
• M63: 16,916,078 km (0.112 R)
• M64: 17,045,630 km (0.071 R)
• M65: 17,403,468 km (0.045 R)
• M66: 17,501,455 km (0.087 R)
• M67: 18,093,713 km (0.111 R)
• M68: 18,193,046 km (0.037 R)
• M69: 18,358,950 km (0.086 R)
• M70: 18,558,813 km (0.052 R)
• M71: 19,500,830 km (0.102 R)
• M72: 19,806,908 km (0.066 R)
• M73: 20,458,406 km (0.056 R)
• M74: 20,977,661 km (0.118 R)
• M75: 21,291,367 km (0.05 R)
• M76: 21,782,348 km (0.091 R)
• M77: 22,277,217 km (0.099 R)
• M78: 22,918,693 km (0.093 R)
• M79: 23,421,940 km (0.07 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.6

Radius: 13.8

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 9.55 AU - 11.15 AU

Year: 12413 Days

Day: 14.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 59,249,341 km

• M1: 186,848 km (0.09 R)
• M2: 316,848 km (0.039 R)
• M3: 548,725 km (0.073 R)
• M4: 745,895 km (0.033 R)
• M5: 844,181 km (0.083 R)
• M6: 2,017,327 km (0.036 R)
• M7: 2,548,549 km (0.085 R)
• M8: 2,703,832 km (0.101 R)
• M9: 3,089,645 km (0.116 R)
• M10: 4,021,939 km (0.094 R)
• M11: 4,203,850 km (0.043 R)
• M12: 4,575,900 km (0.069 R)
• M13: 4,919,975 km (0.081 R)
• M14: 5,036,661 km (0.091 R)
• M15: 6,421,937 km (0.051 R)
• M16: 6,807,750 km (0.079 R)
• M17: 7,025,266 km (0.088 R)
• M18: 7,245,174 km (0.096 R)
• M19: 7,691,874 km (0.097 R)
• M20: 7,964,142 km (0.059 R)
• M21: 8,101,473 km (0.09 R)
• M22: 8,425,202 km (0.118 R)
• M23: 8,753,121 km (0.112 R)
• M24: 9,085,228 km (0.117 R)
• M25: 9,180,971 km (0.087 R)
• M26: 10,455,246 km (0.106 R)
• M27: 10,960,138 km (0.096 R)
• M28: 11,062,015 km (0.052 R)
• M29: 11,472,960 km (0.093 R)
• M30: 11,628,392 km (0.087 R)
• M31: 12,204,194 km (0.116 R)
• M32: 12,309,810 km (0.094 R)
• M33: 12,682,309 km (0.103 R)
• M34: 14,208,656 km (0.109 R)
• M35: 14,768,003 km (0.114 R)
• M36: 14,993,596 km (0.045 R)
• M37: 15,277,383 km (0.086 R)
• M38: 15,391,377 km (0.113 R)
• M39: 15,792,748 km (0.052 R)
• M40: 16,081,472 km (0.061 R)
• M41: 17,730,489 km (0.043 R)
• M42: 17,970,594 km (0.101 R)
• M43: 18,090,871 km (0.1 R)
• M44: 18,818,963 km (0.044 R)
• M45: 19,866,747 km (0.105 R)
• M46: 21,123,668 km (0.084 R)
• M47: 21,825,881 km (0.119 R)
• M48: 22,018,862 km (0.042 R)
• M49: 22,600,798 km (0.083 R)
• M50: 22,926,322 km (0.1 R)
• M51: 23,056,921 km (0.048 R)
• M52: 23,319,017 km (0.069 R)
• M53: 25,653,791 km (0.098 R)
• M54: 27,090,230 km (0.104 R)
• M55: 27,644,340 km (0.093 R)
• M56: 30,398,587 km (0.102 R)
• M57: 31,191,156 km (0.113 R)
• M58: 31,990,607 km (0.096 R)
• M59: 32,502,830 km (0.043 R)
• M60: 33,832,306 km (0.118 R)
• M61: 35,859,956 km (0.058 R)
• M62: 37,310,307 km (0.106 R)
• M63: 38,468,793 km (0.114 R)
• M64: 39,091,420 km (0.047 R)
• M65: 39,796,026 km (0.092 R)
• M66: 43,058,306 km (0.046 R)
• M67: 45,171,376 km (0.064 R)
• M68: 45,417,315 km (0.11 R)
• M69: 46,075,396 km (0.087 R)
• M70: 47,234,630 km (0.103 R)
• M71: 47,985,013 km (0.101 R)
• M72: 48,319,813 km (0.056 R)
• M73: 49,244,328 km (0.11 R)
• M74: 49,497,447 km (0.106 R)
• M75: 50,855,048 km (0.088 R)
• M76: 51,281,851 km (0.083 R)
• M77: 51,709,701 km (0.067 R)
• M78: 52,741,627 km (0.094 R)
• M79: 53,173,666 km (0.096 R)
• M80: 54,041,034 km (0.083 R)
• M81: 55,175,734 km (0.066 R)
• M82: 56,936,650 km (0.03 R)
• M83: 57,468,620 km (0.104 R)
• M84: 58,448,038 km (0.059 R)
• M85: 58,626,658 km (0.046 R)
• M86: 59,074,254 km (0.115 R)
• M87: 59,792,474 km (0.038 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.5

Radius: 12.1

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 8.82 AU - 12.04 AU

Year: 12557 Days

Day: 8.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 67.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 59,249,341 km

• M1: 270,024 km (0.03 R)
• M2: 791,522 km (0.106 R)
• M3: 1,040,902 km (0.078 R)
• M4: 1,152,502 km (0.102 R)
• M5: 1,437,935 km (0.107 R)
• M6: 1,640,939 km (0.096 R)
• M7: 1,772,884 km (0.088 R)
• M8: 2,047,396 km (0.039 R)
• M9: 2,190,113 km (0.07 R)
• M10: 2,277,179 km (0.109 R)
• M11: 2,455,200 km (0.111 R)
• M12: 2,576,524 km (0.061 R)
• M13: 2,668,826 km (0.062 R)
• M14: 2,952,613 km (0.095 R)
• M15: 3,447,333 km (0.084 R)
• M16: 3,968,383 km (0.12 R)
• M17: 4,147,601 km (0.12 R)
• M18: 4,329,512 km (0.092 R)
• M19: 4,626,165 km (0.101 R)
• M20: 5,045,039 km (0.076 R)
• M21: 5,595,858 km (0.107 R)
• M22: 5,797,217 km (0.1 R)
• M23: 5,960,129 km (0.089 R)
• M24: 6,248,853 km (0.069 R)
• M25: 7,361,262 km (0.09 R)
• M26: 7,493,507 km (0.112 R)
• M27: 7,850,298 km (0.102 R)
• M28: 7,940,356 km (0.095 R)
• M29: 9,094,952 km (0.094 R)
• M30: 10,252,391 km (0.048 R)
• M31: 10,549,043 km (0.093 R)
• M32: 11,049,748 km (0.09 R)
• M33: 11,609,393 km (0.033 R)
• M34: 12,862,724 km (0.109 R)
• M35: 13,289,976 km (0.063 R)
• M36: 13,397,537 km (0.081 R)
• M37: 13,667,710 km (0.045 R)
• M38: 14,433,651 km (0.086 R)
• M39: 14,822,007 km (0.072 R)
• M40: 14,933,607 km (0.037 R)
• M41: 15,101,456 km (0.036 R)
• M42: 16,179,309 km (0.115 R)
• M43: 16,582,625 km (0.078 R)
• M44: 16,698,414 km (0.066 R)
• M45: 17,399,280 km (0.063 R)
• M46: 18,528,444 km (0.114 R)
• M47: 19,927,035 km (0.072 R)
• M48: 22,247,298 km (0.073 R)
• M49: 22,760,119 km (0.063 R)
• M50: 23,082,652 km (0.092 R)
• M51: 24,388,043 km (0.086 R)
• M52: 24,519,839 km (0.057 R)
• M53: 24,983,144 km (0.072 R)
• M54: 25,182,558 km (0.047 R)
• M55: 25,315,849 km (0.11 R)
• M56: 26,255,324 km (0.047 R)
• M57: 27,617,113 km (0.11 R)
• M58: 29,421,712 km (0.077 R)
• M59: 31,335,668 km (0.064 R)
• M60: 31,622,746 km (0.11 R)
• M61: 31,838,466 km (0.081 R)
• M62: 31,982,678 km (0.035 R)
• M63: 32,779,287 km (0.111 R)
• M64: 34,318,350 km (0.076 R)
• M65: 37,011,112 km (0.099 R)
• M66: 37,238,650 km (0.091 R)
• M67: 37,618,778 km (0.054 R)
• M68: 38,306,180 km (0.05 R)
• M69: 39,538,717 km (0.085 R)
• M70: 39,693,701 km (0.069 R)
• M71: 39,926,475 km (0.082 R)
• M72: 41,332,994 km (0.09 R)
• M73: 41,490,221 km (0.109 R)
• M74: 41,884,412 km (0.058 R)
• M75: 43,074,014 km (0.093 R)
• M76: 43,153,750 km (0.105 R)
• M77: 45,324,415 km (0.116 R)
• M78: 46,137,479 km (0.036 R)
• M79: 46,791,222 km (0.101 R)
• M80: 48,522,219 km (0.103 R)
• M81: 50,946,752 km (0.086 R)
• M82: 51,031,125 km (0.106 R)
• M83: 51,876,652 km (0.111 R)
• M84: 52,046,446 km (0.1 R)
• M85: 52,812,237 km (0.075 R)
• M86: 53,839,226 km (0.099 R)
• M87: 55,565,436 km (0.094 R)
• M88: 56,435,348 km (0.107 R)
• M89: 56,697,294 km (0.1 R)
• M90: 57,134,568 km (0.105 R)
• M91: 57,924,595 km (0.101 R)
• M92: 58,806,624 km (0.102 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 294 - 17,907 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit