🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.59 AU - 0.93 AU

Year: 247 Days

Day: 47.3 Hours

Environment

Temp: 115 °C

Axial Tilt: 34.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.96 AU - 1.34 AU

Year: 460 Days

Day: 20.4 Hours

Environment

Temp: 3 °C

Axial Tilt: 38.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 97,364,226 km

• M1: 395,387 km (0.09 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.26 AU - 1.82 AU

Year: 712 Days

Day: 25.5 Hours

Environment

Temp: -38 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.11 AU - 2.11 AU

Year: 1143 Days

Day: 32.8 Hours

Environment

Temp: -87 °C

Axial Tilt: 10.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.48

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.79 AU - 3.33 AU

Year: 1995 Days

Day: 22.4 Hours

Environment

Temp: -106 °C

Axial Tilt: 24.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.6

Radius: 8.7

Gravity: 9.23 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 5.74 AU - 7.98 AU

Year: 6698 Days

Day: 11.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 97,364,226 km

• M1: 150,645 km (0.119 R)
• M2: 220,208 km (0.094 R)
• M3: 402,867 km (0.092 R)
• M4: 704,456 km (0.062 R)
• M5: 761,154 km (0.117 R)
• M6: 849,566 km (0.109 R)
• M7: 957,127 km (0.12 R)
• M8: 1,020,856 km (0.111 R)
• M9: 1,085,931 km (0.069 R)
• M10: 1,238,072 km (0.071 R)
• M11: 1,343,389 km (0.108 R)
• M12: 1,794,726 km (0.089 R)
• M13: 1,894,507 km (0.118 R)
• M14: 1,955,244 km (0.096 R)
• M15: 2,247,708 km (0.087 R)
• M16: 2,758,136 km (0.065 R)
• M17: 3,279,335 km (0.095 R)
• M18: 3,426,838 km (0.083 R)
• M19: 3,526,321 km (0.074 R)
• M20: 4,091,203 km (0.083 R)
• M21: 5,564,592 km (0.095 R)
• M22: 6,159,543 km (0.087 R)
• M23: 6,250,498 km (0.09 R)
• M24: 6,495,390 km (0.116 R)
• M25: 6,837,221 km (0.093 R)
• M26: 7,057,728 km (0.043 R)
• M27: 7,280,779 km (0.06 R)
• M28: 7,538,386 km (0.103 R)
• M29: 7,700,999 km (0.1 R)
• M30: 7,799,135 km (0.12 R)
• M31: 8,396,480 km (0.113 R)
• M32: 8,599,035 km (0.073 R)
• M33: 8,768,829 km (0.08 R)
• M34: 8,939,969 km (0.119 R)
• M35: 9,847,130 km (0.113 R)
• M36: 10,096,360 km (0.108 R)
• M37: 10,601,104 km (0.105 R)
• M38: 10,856,617 km (0.115 R)
• M39: 10,966,721 km (0.082 R)
• M40: 11,898,715 km (0.112 R)
• M41: 13,957,332 km (0.117 R)
• M42: 14,077,160 km (0.049 R)
• M43: 14,600,154 km (0.075 R)
• M44: 15,376,118 km (0.061 R)
• M45: 15,582,413 km (0.114 R)
• M46: 15,748,317 km (0.101 R)
• M47: 17,138,381 km (0.107 R)
• M48: 17,826,381 km (0.102 R)
• M49: 18,173,748 km (0.055 R)
• M50: 18,348,328 km (0.081 R)
• M51: 19,318,171 km (0.113 R)
• M52: 20,349,948 km (0.108 R)
• M53: 20,849,754 km (0.087 R)
• M54: 21,032,563 km (0.111 R)
• M55: 21,261,747 km (0.072 R)
• M56: 21,445,603 km (0.114 R)
• M57: 22,748,002 km (0.088 R)
• M58: 23,077,566 km (0.06 R)
• M59: 23,503,770 km (0.099 R)
• M60: 23,693,909 km (0.092 R)
• M61: 24,411,680 km (0.108 R)
• M62: 24,942,752 km (0.055 R)
• M63: 26,905,327 km (0.032 R)
• M64: 27,654,064 km (0.117 R)
• M65: 27,804,709 km (0.075 R)
• M66: 28,308,555 km (0.069 R)
• M67: 28,612,238 km (0.041 R)
• M68: 28,968,132 km (0.1 R)
• M69: 29,325,371 km (0.093 R)
• M70: 29,581,333 km (0.111 R)
• M71: 29,735,419 km (0.048 R)
• M72: 30,872,812 km (0.091 R)
• M73: 31,289,891 km (0.08 R)
• M74: 31,919,099 km (0.043 R)
• M75: 32,129,883 km (0.118 R)
• M76: 32,235,349 km (0.081 R)
• M77: 32,552,497 km (0.111 R)
• M78: 33,136,826 km (0.109 R)
• M79: 33,510,372 km (0.054 R)
• M80: 34,531,527 km (0.099 R)
• M81: 34,747,845 km (0.095 R)
• M82: 36,000,129 km (0.065 R)
• M83: 36,769,511 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.7

Radius: 13.1

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 6.81 AU - 10.05 AU

Year: 9124 Days

Day: 10.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 97,364,226 km

• M1: 172,935 km (0.066 R)
• M2: 267,331 km (0.082 R)
• M3: 435,180 km (0.047 R)
• M4: 581,936 km (0.079 R)
• M5: 778,208 km (0.107 R)
• M6: 1,480,271 km (0.117 R)
• M7: 1,616,854 km (0.12 R)
• M8: 2,117,707 km (0.072 R)
• M9: 2,809,747 km (0.078 R)
• M10: 2,907,135 km (0.055 R)
• M11: 3,181,049 km (0.04 R)
• M12: 3,647,495 km (0.042 R)
• M13: 4,247,233 km (0.087 R)
• M14: 4,530,123 km (0.114 R)
• M15: 5,723,016 km (0.082 R)
• M16: 5,847,482 km (0.043 R)
• M17: 6,483,422 km (0.079 R)
• M18: 6,842,607 km (0.095 R)
• M19: 6,941,790 km (0.077 R)
• M20: 7,141,503 km (0.106 R)
• M21: 8,063,624 km (0.111 R)
• M22: 8,203,498 km (0.072 R)
• M23: 8,414,731 km (0.054 R)
• M24: 8,556,699 km (0.093 R)
• M25: 8,699,266 km (0.113 R)
• M26: 8,878,783 km (0.077 R)
• M27: 9,023,295 km (0.117 R)
• M28: 9,351,213 km (0.076 R)
• M29: 10,282,610 km (0.101 R)
• M30: 12,434,425 km (0.101 R)
• M31: 13,250,482 km (0.1 R)
• M32: 13,748,493 km (0.11 R)
• M33: 13,832,118 km (0.116 R)
• M34: 14,084,041 km (0.107 R)
• M35: 15,063,458 km (0.115 R)
• M36: 15,409,329 km (0.101 R)
• M37: 16,241,242 km (0.075 R)
• M38: 16,462,498 km (0.103 R)
• M39: 16,640,370 km (0.068 R)
• M40: 17,403,169 km (0.065 R)
• M41: 17,584,332 km (0.085 R)
• M42: 17,811,721 km (0.103 R)
• M43: 18,040,007 km (0.06 R)
• M44: 18,407,270 km (0.119 R)
• M45: 19,336,422 km (0.118 R)
• M46: 20,043,422 km (0.067 R)
• M47: 21,240,354 km (0.112 R)
• M48: 22,018,413 km (0.108 R)
• M49: 23,103,746 km (0.092 R)
• M50: 23,402,792 km (0.104 R)
• M51: 23,552,689 km (0.116 R)
• M52: 23,853,680 km (0.096 R)
• M53: 24,408,688 km (0.095 R)
• M54: 25,480,108 km (0.064 R)
• M55: 26,151,204 km (0.086 R)
• M56: 26,306,786 km (0.084 R)
• M57: 27,037,422 km (0.079 R)
• M58: 28,946,440 km (0.09 R)
• M59: 29,107,407 km (0.079 R)
• M60: 29,484,394 km (0.057 R)
• M61: 30,570,325 km (0.092 R)
• M62: 30,734,434 km (0.089 R)
• M63: 30,953,445 km (0.107 R)
• M64: 32,001,528 km (0.053 R)
• M65: 32,669,482 km (0.046 R)
• M66: 32,893,131 km (0.077 R)
• M67: 33,117,378 km (0.081 R)
• M68: 33,454,572 km (0.084 R)
• M69: 34,586,878 km (0.112 R)
• M70: 35,559,264 km (0.078 R)
• M71: 36,135,366 km (0.116 R)
• M72: 36,308,899 km (0.087 R)
• M73: 37,589,307 km (0.088 R)
• M74: 38,058,596 km (0.051 R)
• M75: 38,411,796 km (0.092 R)
• M76: 38,943,766 km (0.11 R)
• M77: 39,240,269 km (0.118 R)
• M78: 39,359,200 km (0.094 R)
• M79: 39,478,130 km (0.096 R)
• M80: 39,716,439 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.4

Radius: 13.9

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 6.83 AU - 10.47 AU

Year: 9484 Days

Day: 5.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 97,364,226 km

• M1: 246,537 km (0.113 R)
• M2: 346,768 km (0.075 R)
• M3: 844,330 km (0.085 R)
• M4: 1,019,061 km (0.075 R)
• M5: 1,123,031 km (0.11 R)
• M6: 1,355,357 km (0.038 R)
• M7: 1,445,115 km (0.113 R)
• M8: 1,713,494 km (0.11 R)
• M9: 3,625,654 km (0.097 R)
• M10: 3,716,609 km (0.091 R)
• M11: 3,826,714 km (0.073 R)
• M12: 4,927,604 km (0.095 R)
• M13: 5,336,156 km (0.088 R)
• M14: 6,012,787 km (0.095 R)
• M15: 7,192,815 km (0.101 R)
• M16: 7,307,856 km (0.095 R)
• M17: 7,680,055 km (0.1 R)
• M18: 7,987,180 km (0.102 R)
• M19: 8,394,834 km (0.106 R)
• M20: 8,784,686 km (0.111 R)
• M21: 8,883,122 km (0.092 R)
• M22: 9,330,569 km (0.091 R)
• M23: 9,557,060 km (0.065 R)
• M24: 9,887,522 km (0.069 R)
• M25: 10,875,017 km (0.03 R)
• M26: 11,193,511 km (0.082 R)
• M27: 11,380,658 km (0.095 R)
• M28: 11,975,609 km (0.091 R)
• M29: 13,139,779 km (0.111 R)
• M30: 13,308,975 km (0.053 R)
• M31: 13,821,048 km (0.056 R)
• M32: 14,426,770 km (0.076 R)
• M33: 14,894,114 km (0.099 R)
• M34: 16,843,374 km (0.115 R)
• M35: 16,935,377 km (0.094 R)
• M36: 18,176,740 km (0.117 R)
• M37: 18,618,053 km (0.102 R)
• M38: 20,844,967 km (0.057 R)
• M39: 22,039,955 km (0.107 R)
• M40: 22,443,271 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 909.7

Radius: 8

Gravity: 14.21 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 14.99 AU - 18.13 AU

Year: 25121 Days

Day: 17 Hours

Environment

Temp: -193 °C

Axial Tilt: 140.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (98)

Outer Limit: 97,364,226 km

• M1: 124,166 km (0.036 R)
• M2: 483,949 km (0.054 R)
• M3: 736,321 km (0.096 R)
• M4: 1,286,242 km (0.095 R)
• M5: 1,458,130 km (0.096 R)
• M6: 2,017,926 km (0.034 R)
• M7: 2,509,803 km (0.086 R)
• M8: 3,267,965 km (0.104 R)
• M9: 3,794,101 km (0.102 R)
• M10: 4,924,014 km (0.1 R)
• M11: 5,469,897 km (0.114 R)
• M12: 5,806,641 km (0.118 R)
• M13: 5,920,485 km (0.082 R)
• M14: 5,977,632 km (0.099 R)
• M15: 6,034,928 km (0.09 R)
• M16: 6,324,400 km (0.109 R)
• M17: 6,917,106 km (0.066 R)
• M18: 7,342,413 km (0.086 R)
• M19: 7,527,316 km (0.111 R)
• M20: 7,964,890 km (0.076 R)
• M21: 8,282,337 km (0.066 R)
• M22: 8,346,364 km (0.069 R)
• M23: 9,459,672 km (0.025 R)
• M24: 10,342,150 km (0.069 R)
• M25: 10,618,906 km (0.093 R)
• M26: 11,038,827 km (0.118 R)
• M27: 11,463,984 km (0.092 R)
• M28: 11,607,000 km (0.087 R)
• M29: 12,184,747 km (0.036 R)
• M30: 13,292,968 km (0.043 R)
• M31: 13,368,066 km (0.078 R)
• M32: 14,126,228 km (0.053 R)
• M33: 14,279,416 km (0.042 R)
• M34: 16,241,841 km (0.102 R)
• M35: 17,050,118 km (0.105 R)
• M36: 18,037,464 km (0.107 R)
• M37: 18,120,491 km (0.111 R)
• M38: 18,538,019 km (0.073 R)
• M39: 18,705,867 km (0.116 R)
• M40: 20,153,077 km (0.102 R)
• M41: 20,498,947 km (0.094 R)
• M42: 20,585,565 km (0.098 R)
• M43: 26,196,831 km (0.115 R)
• M44: 26,858,203 km (0.117 R)
• M45: 27,525,260 km (0.113 R)
• M46: 28,197,703 km (0.052 R)
• M47: 30,940,879 km (0.083 R)
• M48: 35,733,097 km (0.093 R)
• M49: 37,947,744 km (0.085 R)
• M50: 38,161,070 km (0.07 R)
• M51: 38,695,883 km (0.086 R)
• M52: 40,859,816 km (0.119 R)
• M53: 41,736,310 km (0.117 R)
• M54: 42,287,279 km (0.036 R)
• M55: 42,397,832 km (0.106 R)
• M56: 42,619,087 km (0.09 R)
• M57: 43,396,547 km (0.074 R)
• M58: 43,731,198 km (0.086 R)
• M59: 44,515,240 km (0.071 R)
• M60: 45,756,902 km (0.114 R)
• M61: 47,468,152 km (0.088 R)
• M62: 48,736,443 km (0.118 R)
• M63: 49,316,584 km (0.108 R)
• M64: 49,782,431 km (0.098 R)
• M65: 51,188,502 km (0.083 R)
• M66: 52,488,807 km (0.039 R)
• M67: 53,560,825 km (0.113 R)
• M68: 54,399,471 km (0.034 R)
• M69: 54,760,301 km (0.115 R)
• M70: 55,726,254 km (0.094 R)
• M71: 56,211,400 km (0.1 R)
• M72: 56,332,873 km (0.03 R)
• M73: 57,797,736 km (0.118 R)
• M74: 58,288,716 km (0.074 R)
• M75: 58,781,192 km (0.119 R)
• M76: 59,522,450 km (0.119 R)
• M77: 61,388,982 km (0.113 R)
• M78: 62,770,070 km (0.071 R)
• M79: 63,527,633 km (0.111 R)
• M80: 64,288,339 km (0.05 R)
• M81: 64,669,664 km (0.106 R)
• M82: 65,818,575 km (0.071 R)
• M83: 66,716,761 km (0.094 R)
• M84: 66,974,219 km (0.078 R)
• M85: 69,175,103 km (0.119 R)
• M86: 69,305,402 km (0.109 R)
• M87: 72,586,981 km (0.051 R)
• M88: 73,382,094 km (0.103 R)
• M89: 74,046,907 km (0.096 R)
• M90: 74,180,049 km (0.036 R)
• M91: 75,114,736 km (0.114 R)
• M92: 75,918,975 km (0.116 R)
• M93: 83,283,977 km (0.076 R)
• M94: 88,601,583 km (0.071 R)
• M95: 88,884,472 km (0.102 R)
• M96: 91,444,242 km (0.08 R)
• M97: 93,020,255 km (0.051 R)
• M98: 93,739,671 km (0.115 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 433 - 19,843 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit