🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.55 AU - 0.63 AU

Year: 170 Days

Day: 42 Hours

Environment

Temp: 171 °C

Axial Tilt: 9.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.95 AU - 0.97 AU

Year: 352 Days

Day: 23.9 Hours

Environment

Temp: 31 °C

Axial Tilt: 18.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.47 AU - 1.93 AU

Year: 831 Days

Day: 26.6 Hours

Environment

Temp: -62 °C

Axial Tilt: 128.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 107,620,616 km

• M1: 263,143 km (0.112 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.16 AU - 2.62 AU

Year: 1385 Days

Day: 29.7 Hours

Environment

Temp: -100 °C

Axial Tilt: 17.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.12 AU - 4.46 AU

Year: 2765 Days

Day: 36 Hours

Environment

Temp: -128 °C

Axial Tilt: 14.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.6

Radius: 14.9

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 5.08 AU - 5.46 AU

Year: 4534 Days

Day: 6.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 107,620,616 km

• M1: 193,131 km (0.098 R)
• M2: 300,692 km (0.116 R)
• M3: 511,475 km (0.057 R)
• M4: 913,744 km (0.115 R)
• M5: 1,065,137 km (0.109 R)
• M6: 1,225,655 km (0.092 R)
• M7: 1,792,930 km (0.049 R)
• M8: 2,115,015 km (0.108 R)
• M9: 2,245,464 km (0.067 R)
• M10: 2,417,352 km (0.077 R)
• M11: 2,877,066 km (0.059 R)
• M12: 2,980,738 km (0.12 R)
• M13: 3,170,577 km (0.067 R)
• M14: 3,342,764 km (0.064 R)
• M15: 3,809,809 km (0.066 R)
• M16: 4,417,027 km (0.096 R)
• M17: 4,880,182 km (0.059 R)
• M18: 5,004,647 km (0.088 R)
• M19: 5,359,045 km (0.041 R)
• M20: 5,617,400 km (0.119 R)
• M21: 5,985,860 km (0.086 R)
• M22: 6,416,701 km (0.079 R)
• M23: 6,885,691 km (0.108 R)
• M24: 7,110,237 km (0.054 R)
• M25: 7,653,427 km (0.08 R)
• M26: 8,538,448 km (0.094 R)
• M27: 8,689,093 km (0.085 R)
• M28: 8,810,267 km (0.083 R)
• M29: 9,054,411 km (0.071 R)
• M30: 9,393,699 km (0.062 R)
• M31: 9,580,547 km (0.096 R)
• M32: 9,926,417 km (0.05 R)
• M33: 10,148,720 km (0.031 R)
• M34: 11,284,467 km (0.079 R)
• M35: 12,154,378 km (0.114 R)
• M36: 12,392,239 km (0.091 R)
• M37: 13,184,808 km (0.106 R)
• M38: 13,816,560 km (0.112 R)
• M39: 14,100,646 km (0.093 R)
• M40: 14,207,609 km (0.099 R)
• M41: 15,328,995 km (0.102 R)
• M42: 15,549,352 km (0.112 R)
• M43: 15,807,857 km (0.11 R)
• M44: 16,067,709 km (0.086 R)
• M45: 17,656,438 km (0.118 R)
• M46: 18,547,742 km (0.045 R)
• M47: 18,861,150 km (0.101 R)
• M48: 19,255,490 km (0.109 R)
• M49: 21,185,751 km (0.075 R)
• M50: 21,636,789 km (0.104 R)
• M51: 21,842,785 km (0.079 R)
• M52: 22,882,939 km (0.064 R)
• M53: 23,177,049 km (0.065 R)
• M54: 23,472,504 km (0.03 R)
• M55: 23,641,849 km (0.067 R)
• M56: 24,109,642 km (0.119 R)
• M57: 24,666,445 km (0.119 R)
• M58: 25,314,353 km (0.067 R)
• M59: 25,488,036 km (0.109 R)
• M60: 26,538,513 km (0.051 R)
• M61: 26,803,450 km (0.117 R)
• M62: 27,069,136 km (0.076 R)
• M63: 28,006,217 km (0.104 R)
• M64: 28,636,772 km (0.112 R)
• M65: 28,999,098 km (0.094 R)
• M66: 29,271,965 km (0.109 R)
• M67: 29,911,945 km (0.109 R)
• M68: 30,095,651 km (0.077 R)
• M69: 30,973,192 km (0.088 R)
• M70: 31,066,092 km (0.057 R)
• M71: 31,205,667 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.2

Radius: 10.9

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 4.93 AU - 7.59 AU

Year: 5869 Days

Day: 14 Hours

Environment

Temp: -161 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 107,620,616 km

• M1: 182,509 km (0.071 R)
• M2: 276,008 km (0.075 R)
• M3: 351,854 km (0.078 R)
• M4: 437,723 km (0.115 R)
• M5: 648,058 km (0.068 R)
• M6: 812,017 km (0.12 R)
• M7: 906,264 km (0.095 R)
• M8: 990,338 km (0.112 R)
• M9: 1,106,725 km (0.07 R)
• M10: 1,322,146 km (0.074 R)
• M11: 1,534,575 km (0.086 R)
• M12: 1,653,804 km (0.073 R)
• M13: 1,758,373 km (0.117 R)
• M14: 2,067,293 km (0.109 R)
• M15: 2,453,106 km (0.082 R)
• M16: 2,757,388 km (0.057 R)
• M17: 2,924,638 km (0.116 R)
• M18: 3,491,614 km (0.075 R)
• M19: 3,741,892 km (0.025 R)
• M20: 4,164,057 km (0.107 R)
• M21: 4,626,314 km (0.099 R)
• M22: 4,926,707 km (0.058 R)
• M23: 5,866,032 km (0.103 R)
• M24: 6,055,123 km (0.072 R)
• M25: 6,494,792 km (0.104 R)
• M26: 6,634,366 km (0.104 R)
• M27: 7,786,420 km (0.118 R)
• M28: 8,752,223 km (0.061 R)
• M29: 8,844,675 km (0.102 R)
• M30: 8,999,658 km (0.082 R)
• M31: 10,894,315 km (0.06 R)
• M32: 10,993,798 km (0.081 R)
• M33: 11,327,850 km (0.12 R)
• M34: 12,006,127 km (0.071 R)
• M35: 13,118,536 km (0.078 R)
• M36: 13,189,147 km (0.075 R)
• M37: 13,401,875 km (0.04 R)
• M38: 14,518,473 km (0.066 R)
• M39: 14,738,083 km (0.115 R)
• M40: 15,069,592 km (0.116 R)
• M41: 15,965,384 km (0.071 R)
• M42: 16,040,931 km (0.093 R)
• M43: 16,116,478 km (0.114 R)
• M44: 16,648,747 km (0.07 R)
• M45: 17,148,105 km (0.071 R)
• M46: 17,652,399 km (0.104 R)
• M47: 18,082,942 km (0.027 R)
• M48: 18,240,468 km (0.077 R)
• M49: 19,355,272 km (0.118 R)
• M50: 19,799,129 km (0.113 R)
• M51: 19,961,442 km (0.052 R)
• M52: 20,124,205 km (0.114 R)
• M53: 21,566,777 km (0.09 R)
• M54: 22,153,201 km (0.103 R)
• M55: 22,363,984 km (0.045 R)
• M56: 23,384,541 km (0.044 R)
• M57: 23,685,083 km (0.109 R)
• M58: 23,943,738 km (0.077 R)
• M59: 24,203,290 km (0.104 R)
• M60: 24,768,770 km (0.071 R)
• M61: 25,206,942 km (0.103 R)
• M62: 26,224,058 km (0.069 R)
• M63: 27,074,522 km (0.099 R)
• M64: 28,527,267 km (0.099 R)
• M65: 28,986,383 km (0.109 R)
• M66: 29,078,535 km (0.104 R)
• M67: 31,507,855 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.3

Radius: 9

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 7.12 AU - 7.54 AU

Year: 7437 Days

Day: 8 Hours

Environment

Temp: -161 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 107,620,616 km

• M1: 117,285 km (0.106 R)
• M2: 211,232 km (0.116 R)
• M3: 382,671 km (0.067 R)
• M4: 521,199 km (0.059 R)
• M5: 677,529 km (0.071 R)
• M6: 808,876 km (0.071 R)
• M7: 948,899 km (0.095 R)
• M8: 1,158,935 km (0.086 R)
• M9: 1,301,950 km (0.078 R)
• M10: 1,367,325 km (0.102 R)
• M11: 1,553,424 km (0.114 R)
• M12: 1,640,789 km (0.083 R)
• M13: 1,784,104 km (0.114 R)
• M14: 1,931,458 km (0.109 R)
• M15: 2,179,940 km (0.096 R)
• M16: 2,561,415 km (0.09 R)
• M17: 2,770,702 km (0.059 R)
• M18: 2,834,580 km (0.074 R)
• M19: 2,985,674 km (0.077 R)
• M20: 3,051,198 km (0.079 R)
• M21: 3,228,472 km (0.11 R)
• M22: 3,686,241 km (0.06 R)
• M23: 3,970,926 km (0.117 R)
• M24: 4,043,182 km (0.092 R)
• M25: 4,115,886 km (0.11 R)
• M26: 4,238,108 km (0.068 R)
• M27: 4,662,666 km (0.085 R)
• M28: 5,311,472 km (0.117 R)
• M29: 5,768,943 km (0.087 R)
• M30: 5,933,500 km (0.119 R)
• M31: 6,016,228 km (0.115 R)
• M32: 6,267,104 km (0.115 R)
• M33: 7,040,225 km (0.102 R)
• M34: 7,363,806 km (0.08 R)
• M35: 7,452,816 km (0.095 R)
• M36: 7,934,073 km (0.083 R)
• M37: 8,270,817 km (0.114 R)
• M38: 8,958,369 km (0.046 R)
• M39: 9,053,514 km (0.095 R)
• M40: 10,056,717 km (0.085 R)
• M41: 10,321,355 km (0.115 R)
• M42: 10,621,748 km (0.107 R)
• M43: 10,958,942 km (0.096 R)
• M44: 12,448,637 km (0.055 R)
• M45: 12,947,247 km (0.112 R)
• M46: 13,054,957 km (0.109 R)
• M47: 14,185,468 km (0.057 R)
• M48: 14,519,521 km (0.106 R)
• M49: 14,893,665 km (0.116 R)
• M50: 15,460,940 km (0.109 R)
• M51: 17,204,952 km (0.116 R)
• M52: 17,362,927 km (0.117 R)
• M53: 17,442,065 km (0.059 R)
• M54: 17,799,903 km (0.032 R)
• M55: 18,361,493 km (0.059 R)
• M56: 18,603,842 km (0.082 R)
• M57: 19,460,738 km (0.108 R)
• M58: 20,163,848 km (0.11 R)
• M59: 20,413,976 km (0.106 R)
• M60: 20,749,075 km (0.113 R)
• M61: 21,170,492 km (0.091 R)
• M62: 21,255,165 km (0.087 R)
• M63: 21,552,116 km (0.064 R)
• M64: 22,365,480 km (0.081 R)
• M65: 23,319,765 km (0.097 R)
• M66: 23,977,996 km (0.11 R)
• M67: 24,066,258 km (0.11 R)
• M68: 24,597,929 km (0.064 R)
• M69: 24,775,951 km (0.085 R)
• M70: 24,865,111 km (0.105 R)
• M71: 25,312,857 km (0.093 R)
• M72: 25,717,968 km (0.08 R)
• M73: 25,943,861 km (0.07 R)
• M74: 26,763,059 km (0.09 R)
• M75: 27,961,039 km (0.114 R)
• M76: 28,660,110 km (0.08 R)
• M77: 29,270,768 km (0.083 R)
• M78: 29,648,503 km (0.076 R)
• M79: 29,933,038 km (0.098 R)
• M80: 31,513,689 km (0.068 R)
• M81: 32,192,415 km (0.101 R)
• M82: 32,582,566 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 980.6

Radius: 3.2

Gravity: 95.76 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 17.65 AU - 17.93 AU

Year: 28119 Days

Day: 18.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 107,620,616 km

• M1: 237,412 km (0.119 R)
• M2: 714,180 km (0.09 R)
• M3: 1,136,046 km (0.06 R)
• M4: 1,741,020 km (0.066 R)
• M5: 2,075,072 km (0.074 R)
• M6: 2,338,364 km (0.093 R)
• M7: 2,658,953 km (0.12 R)
• M8: 2,993,005 km (0.064 R)
• M9: 4,235,265 km (0.088 R)
• M10: 4,345,220 km (0.099 R)
• M11: 6,041,360 km (0.083 R)
• M12: 6,668,325 km (0.062 R)
• M13: 7,054,437 km (0.12 R)
• M14: 10,540,965 km (0.051 R)
• M15: 11,445,135 km (0.08 R)
• M16: 11,598,173 km (0.085 R)
• M17: 11,674,917 km (0.078 R)
• M18: 11,829,152 km (0.071 R)
• M19: 12,847,166 km (0.079 R)
• M20: 13,730,242 km (0.067 R)
• M21: 15,216,946 km (0.061 R)
• M22: 17,277,058 km (0.103 R)
• M23: 17,717,175 km (0.084 R)
• M24: 18,608,330 km (0.105 R)
• M25: 19,150,023 km (0.095 R)
• M26: 21,273,864 km (0.05 R)
• M27: 21,650,851 km (0.095 R)
• M28: 23,083,849 km (0.062 R)
• M29: 28,489,718 km (0.059 R)
• M30: 28,905,001 km (0.113 R)
• M31: 30,162,970 km (0.119 R)
• M32: 31,011,489 km (0.095 R)
• M33: 32,083,059 km (0.112 R)
• M34: 32,731,865 km (0.038 R)
• M35: 33,057,838 km (0.051 R)
• M36: 34,372,654 km (0.071 R)
• M37: 35,147,421 km (0.074 R)
• M38: 35,816,273 km (0.118 R)
• M39: 36,264,319 km (0.105 R)
• M40: 36,714,309 km (0.084 R)
• M41: 38,189,494 km (0.085 R)
• M42: 41,197,458 km (0.077 R)
• M43: 42,374,494 km (0.085 R)
• M44: 42,611,158 km (0.081 R)
• M45: 43,801,359 km (0.092 R)
• M46: 44,280,521 km (0.091 R)
• M47: 44,641,052 km (0.094 R)
• M48: 45,607,155 km (0.056 R)
• M49: 49,415,169 km (0.043 R)
• M50: 51,799,011 km (0.119 R)
• M51: 53,323,712 km (0.053 R)
• M52: 53,835,187 km (0.106 R)
• M53: 55,250,383 km (0.116 R)
• M54: 55,767,992 km (0.097 R)
• M55: 57,985,631 km (0.093 R)
• M56: 59,966,157 km (0.119 R)
• M57: 61,298,775 km (0.087 R)
• M58: 62,775,904 km (0.117 R)
• M59: 63,993,182 km (0.098 R)
• M60: 65,902,200 km (0.079 R)
• M61: 66,726,036 km (0.1 R)
• M62: 67,968,297 km (0.048 R)
• M63: 68,106,675 km (0.06 R)
• M64: 69,775,888 km (0.083 R)
• M65: 70,335,234 km (0.106 R)
• M66: 70,615,580 km (0.119 R)
• M67: 72,022,249 km (0.088 R)
• M68: 72,163,470 km (0.063 R)
• M69: 72,870,768 km (0.115 R)
• M70: 74,434,964 km (0.103 R)
• M71: 74,863,562 km (0.107 R)
• M72: 75,866,615 km (0.07 R)
• M73: 76,010,229 km (0.042 R)
• M74: 77,886,037 km (0.079 R)
• M75: 78,466,178 km (0.104 R)
• M76: 78,902,255 km (0.066 R)
• M77: 79,339,231 km (0.08 R)
• M78: 79,485,089 km (0.057 R)
• M79: 80,654,794 km (0.088 R)
• M80: 81,094,911 km (0.096 R)
• M81: 88,093,399 km (0.116 R)
• M82: 88,697,774 km (0.096 R)
• M83: 90,671,868 km (0.097 R)
• M84: 90,824,308 km (0.085 R)
• M85: 91,893,933 km (0.076 R)
• M86: 92,200,309 km (0.075 R)
• M87: 92,506,985 km (0.092 R)
• M88: 97,459,871 km (0.117 R)
• M89: 98,868,335 km (0.04 R)
• M90: 106,332,222 km (0.098 R)
• M91: 106,493,039 km (0.084 R)
• M92: 107,459,292 km (0.114 R)
• M93: 107,620,559 km (0.088 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 493 - 12,803 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit