🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.49 AU - 0.75 AU

Year: 218 Days

Day: 29.2 Hours

Environment

Temp: 5 °C

Axial Tilt: 26.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 94,103,624 km

• M1: 581,487 km (0.056 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.63 AU - 0.65 AU

Year: 228 Days

Day: 21.2 Hours

Environment

Temp: -8 °C

Axial Tilt: 7.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.57 AU - 0.73 AU

Year: 234 Days

Day: 22.5 Hours

Environment

Temp: 6 °C

Axial Tilt: 31.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 94,103,624 km

• M1: 167,550 km (0.098 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.82 AU - 0.94 AU

Year: 368 Days

Day: 35.8 Hours

Environment

Temp: -54 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.97 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159

Radius: 13.1

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.73 AU - 3.37 AU

Year: 2377 Days

Day: 5.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 119.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 94,103,624 km

• M1: 194,477 km (0.089 R)
• M2: 591,660 km (0.037 R)
• M3: 715,527 km (0.068 R)
• M4: 823,087 km (0.117 R)
• M5: 964,607 km (0.114 R)
• M6: 1,174,343 km (0.091 R)
• M7: 1,273,527 km (0.109 R)
• M8: 1,383,780 km (0.096 R)
• M9: 1,614,311 km (0.111 R)
• M10: 1,769,444 km (0.116 R)
• M11: 1,857,856 km (0.033 R)
• M12: 1,957,039 km (0.109 R)
• M13: 2,104,393 km (0.088 R)
• M14: 2,207,915 km (0.099 R)
• M15: 2,381,299 km (0.1 R)
• M16: 2,499,332 km (0.113 R)
• M17: 2,639,804 km (0.11 R)
• M18: 2,855,375 km (0.105 R)
• M19: 3,013,051 km (0.091 R)
• M20: 3,141,256 km (0.082 R)
• M21: 3,492,213 km (0.065 R)
• M22: 3,593,341 km (0.101 R)
• M23: 3,902,410 km (0.027 R)
• M24: 4,054,401 km (0.082 R)
• M25: 4,137,129 km (0.096 R)
• M26: 4,352,400 km (0.073 R)
• M27: 4,510,077 km (0.08 R)
• M28: 4,781,597 km (0.074 R)
• M29: 4,881,528 km (0.112 R)
• M30: 5,045,637 km (0.119 R)
• M31: 5,160,379 km (0.095 R)
• M32: 5,314,614 km (0.041 R)
• M33: 5,418,285 km (0.105 R)
• M34: 5,549,034 km (0.05 R)
• M35: 5,641,037 km (0.031 R)
• M36: 5,800,059 km (0.093 R)
• M37: 5,906,872 km (0.037 R)
• M38: 6,109,128 km (0.104 R)
• M39: 6,258,876 km (0.085 R)
• M40: 6,368,531 km (0.072 R)
• M41: 6,465,022 km (0.066 R)
• M42: 6,813,585 km (0.11 R)
• M43: 6,997,440 km (0.115 R)
• M44: 7,125,646 km (0.075 R)
• M45: 7,240,238 km (0.079 R)
• M46: 7,529,410 km (0.09 R)
• M47: 7,778,341 km (0.111 R)
• M48: 7,970,425 km (0.057 R)
• M49: 8,059,735 km (0.06 R)
• M50: 8,314,350 km (0.091 R)
• M51: 9,001,304 km (0.065 R)
• M52: 9,218,670 km (0.051 R)
• M53: 9,485,103 km (0.096 R)
• M54: 9,738,223 km (0.107 R)
• M55: 10,025,601 km (0.064 R)
• M56: 10,429,515 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.8

Radius: 9.1

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 7.15 AU - 9.17 AU

Year: 10401 Days

Day: 9.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 94,103,624 km

• M1: 125,513 km (0.114 R)
• M2: 285,134 km (0.086 R)
• M3: 402,119 km (0.115 R)
• M4: 490,681 km (0.074 R)
• M5: 586,872 km (0.104 R)
• M6: 828,024 km (0.035 R)
• M7: 1,578,108 km (0.028 R)
• M8: 1,820,456 km (0.093 R)
• M9: 2,094,969 km (0.099 R)
• M10: 2,319,964 km (0.032 R)
• M11: 2,639,505 km (0.087 R)
• M12: 3,087,251 km (0.084 R)
• M13: 3,343,812 km (0.049 R)
• M14: 3,510,613 km (0.107 R)
• M15: 3,607,253 km (0.101 R)
• M16: 3,952,376 km (0.081 R)
• M17: 4,027,773 km (0.116 R)
• M18: 4,129,051 km (0.067 R)
• M19: 4,308,269 km (0.119 R)
• M20: 4,411,791 km (0.082 R)
• M21: 4,942,115 km (0.08 R)
• M22: 5,023,496 km (0.108 R)
• M23: 5,270,183 km (0.101 R)
• M24: 5,718,379 km (0.089 R)
• M25: 5,861,095 km (0.093 R)
• M26: 6,413,710 km (0.096 R)
• M27: 6,532,191 km (0.104 R)
• M28: 6,831,686 km (0.094 R)
• M29: 6,952,711 km (0.1 R)
• M30: 7,043,965 km (0.097 R)
• M31: 7,444,140 km (0.095 R)
• M32: 7,568,755 km (0.108 R)
• M33: 7,820,079 km (0.114 R)
• M34: 7,978,503 km (0.026 R)
• M35: 8,427,895 km (0.091 R)
• M36: 8,590,359 km (0.082 R)
• M37: 9,217,323 km (0.113 R)
• M38: 9,317,703 km (0.098 R)
• M39: 9,553,320 km (0.069 R)
• M40: 10,030,388 km (0.076 R)
• M41: 11,185,433 km (0.045 R)
• M42: 11,579,773 km (0.03 R)
• M43: 12,161,559 km (0.041 R)
• M44: 12,864,669 km (0.095 R)
• M45: 14,310,233 km (0.111 R)
• M46: 14,426,620 km (0.104 R)
• M47: 15,012,894 km (0.115 R)
• M48: 15,686,833 km (0.092 R)
• M49: 16,249,171 km (0.051 R)
• M50: 17,269,877 km (0.047 R)
• M51: 17,850,467 km (0.116 R)
• M52: 18,227,154 km (0.107 R)
• M53: 18,479,675 km (0.086 R)
• M54: 18,733,393 km (0.106 R)
• M55: 19,030,794 km (0.064 R)
• M56: 19,673,466 km (0.073 R)
• M57: 20,323,320 km (0.109 R)
• M58: 20,760,445 km (0.072 R)
• M59: 20,936,222 km (0.096 R)
• M60: 21,068,317 km (0.11 R)
• M61: 22,314,766 km (0.103 R)
• M62: 23,402,044 km (0.038 R)
• M63: 23,493,448 km (0.072 R)
• M64: 24,552,900 km (0.069 R)
• M65: 24,645,800 km (0.032 R)
• M66: 25,205,446 km (0.081 R)
• M67: 26,005,495 km (0.087 R)
• M68: 26,432,448 km (0.109 R)
• M69: 27,969,117 km (0.102 R)
• M70: 28,114,526 km (0.091 R)
• M71: 28,455,161 km (0.097 R)
• M72: 28,748,223 km (0.12 R)
• M73: 29,435,775 km (0.032 R)
• M74: 29,583,877 km (0.031 R)
• M75: 29,979,862 km (0.099 R)
• M76: 30,527,241 km (0.115 R)
• M77: 30,627,172 km (0.078 R)
• M78: 31,329,384 km (0.116 R)
• M79: 31,682,435 km (0.072 R)
• M80: 31,935,555 km (0.081 R)
• M81: 32,647,641 km (0.107 R)
• M82: 33,056,791 km (0.03 R)
• M83: 34,554,565 km (0.098 R)
• M84: 34,762,805 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 225.5

Radius: 5.6

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 9.89 AU - 15.53 AU

Year: 20220 Days

Day: 22 Hours

Environment

Temp: -215 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 94,103,624 km

• M1: 78,389 km (0.055 R)
• M2: 186,848 km (0.118 R)
• M3: 242,049 km (0.044 R)
• M4: 400,922 km (0.038 R)
• M5: 642,972 km (0.105 R)
• M6: 714,479 km (0.104 R)
• M7: 905,366 km (0.11 R)
• M8: 986,299 km (0.078 R)
• M9: 1,568,534 km (0.071 R)
• M10: 2,077,316 km (0.105 R)
• M11: 2,321,759 km (0.056 R)
• M12: 2,405,384 km (0.102 R)
• M13: 2,633,222 km (0.063 R)
• M14: 2,987,769 km (0.075 R)
• M15: 3,357,425 km (0.065 R)
• M16: 3,839,729 km (0.034 R)
• M17: 5,047,133 km (0.068 R)
• M18: 5,672,751 km (0.114 R)
• M19: 5,710,300 km (0.085 R)
• M20: 5,785,698 km (0.068 R)
• M21: 5,861,394 km (0.116 R)
• M22: 6,129,025 km (0.091 R)
• M23: 6,400,545 km (0.084 R)
• M24: 6,715,748 km (0.094 R)
• M25: 6,835,276 km (0.118 R)
• M26: 7,649,986 km (0.1 R)
• M27: 8,238,355 km (0.09 R)
• M28: 8,928,300 km (0.088 R)
• M29: 9,280,304 km (0.088 R)
• M30: 9,997,925 km (0.096 R)
• M31: 10,179,986 km (0.1 R)
• M32: 11,060,219 km (0.059 R)
• M33: 11,820,177 km (0.069 R)
• M34: 12,942,011 km (0.076 R)
• M35: 13,140,527 km (0.115 R)
• M36: 13,894,052 km (0.118 R)
• M37: 14,455,493 km (0.097 R)
• M38: 14,558,416 km (0.099 R)
• M39: 14,868,383 km (0.044 R)
• M40: 16,130,540 km (0.078 R)
• M41: 16,612,544 km (0.099 R)
• M42: 16,774,260 km (0.111 R)
• M43: 17,317,300 km (0.108 R)
• M44: 17,865,875 km (0.056 R)
• M45: 18,197,833 km (0.078 R)
• M46: 18,811,783 km (0.114 R)
• M47: 18,980,379 km (0.042 R)
• M48: 19,205,823 km (0.073 R)
• M49: 19,659,703 km (0.039 R)
• M50: 20,404,701 km (0.1 R)
• M51: 20,635,680 km (0.068 R)
• M52: 21,217,167 km (0.042 R)
• M53: 21,275,660 km (0.115 R)
• M54: 21,392,795 km (0.077 R)
• M55: 21,745,098 km (0.085 R)
• M56: 21,863,130 km (0.054 R)
• M57: 23,354,771 km (0.115 R)
• M58: 23,899,756 km (0.026 R)
• M59: 24,326,559 km (0.064 R)
• M60: 25,622,076 km (0.096 R)
• M61: 25,871,306 km (0.1 R)
• M62: 26,058,902 km (0.111 R)
• M63: 26,435,141 km (0.114 R)
• M64: 26,624,083 km (0.084 R)
• M65: 26,687,063 km (0.063 R)
• M66: 27,575,076 km (0.066 R)
• M67: 28,150,879 km (0.094 R)
• M68: 28,730,720 km (0.074 R)
• M69: 29,054,599 km (0.111 R)
• M70: 29,771,323 km (0.093 R)
• M71: 30,493,880 km (0.094 R)
• M72: 30,824,192 km (0.045 R)
• M73: 32,426,386 km (0.077 R)
• M74: 32,763,430 km (0.113 R)
• M75: 32,966,284 km (0.029 R)
• M76: 33,850,258 km (0.116 R)
• M77: 34,192,239 km (0.075 R)
• M78: 34,397,936 km (0.093 R)
• M79: 37,251,067 km (0.071 R)
• M80: 37,321,527 km (0.092 R)
• M81: 39,458,084 km (0.032 R)
• M82: 41,122,809 km (0.085 R)
• M83: 41,268,517 km (0.112 R)
• M84: 42,884,174 km (0.035 R)
• M85: 43,699,632 km (0.079 R)
• M86: 44,520,177 km (0.085 R)
• M87: 45,270,709 km (0.114 R)
• M88: 45,798,491 km (0.107 R)
• M89: 46,631,900 km (0.091 R)
• M90: 49,007,664 km (0.099 R)
• M91: 49,860,073 km (0.101 R)
• M92: 51,030,377 km (0.066 R)
• M93: 51,658,239 km (0.117 R)
• M94: 52,051,981 km (0.086 R)
• M95: 52,763,169 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 751.6

Radius: 3.7

Gravity: 54.9 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 12.53 AU - 17.73 AU

Year: 26261 Days

Day: 19.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 94,103,624 km

• M1: 635,641 km (0.081 R)
• M2: 884,722 km (0.089 R)
• M3: 914,193 km (0.06 R)
• M4: 1,129,314 km (0.117 R)
• M5: 1,226,254 km (0.104 R)
• M6: 1,977,983 km (0.096 R)
• M7: 2,585,500 km (0.116 R)
• M8: 3,200,646 km (0.116 R)
• M9: 3,714,066 km (0.115 R)
• M10: 4,403,862 km (0.114 R)
• M11: 4,659,674 km (0.089 R)
• M12: 4,867,915 km (0.106 R)
• M13: 5,455,685 km (0.045 R)
• M14: 5,674,995 km (0.092 R)
• M15: 7,530,308 km (0.098 R)
• M16: 8,020,989 km (0.116 R)
• M17: 8,207,687 km (0.052 R)
• M18: 8,840,187 km (0.12 R)
• M19: 9,227,197 km (0.082 R)
• M20: 9,950,951 km (0.118 R)
• M21: 10,761,173 km (0.087 R)
• M22: 12,300,386 km (0.11 R)
• M23: 13,832,717 km (0.103 R)
• M24: 14,734,941 km (0.09 R)
• M25: 16,280,437 km (0.085 R)
• M26: 17,152,144 km (0.067 R)
• M27: 17,553,365 km (0.114 R)
• M28: 18,528,893 km (0.106 R)
• M29: 19,106,042 km (0.105 R)
• M30: 19,438,448 km (0.113 R)
• M31: 21,472,830 km (0.108 R)
• M32: 21,645,316 km (0.045 R)
• M33: 22,078,851 km (0.083 R)
• M34: 22,954,148 km (0.115 R)
• M35: 23,219,086 km (0.081 R)
• M36: 23,396,209 km (0.115 R)
• M37: 23,573,782 km (0.083 R)
• M38: 24,738,850 km (0.105 R)
• M39: 25,922,469 km (0.109 R)
• M40: 26,474,934 km (0.043 R)
• M41: 26,567,385 km (0.077 R)
• M42: 26,845,487 km (0.103 R)
• M43: 27,779,128 km (0.081 R)
• M44: 28,818,534 km (0.071 R)
• M45: 29,966,847 km (0.091 R)
• M46: 31,423,033 km (0.067 R)
• M47: 32,406,639 km (0.116 R)
• M48: 35,315,420 km (0.079 R)
• M49: 35,723,224 km (0.057 R)
• M50: 37,369,698 km (0.027 R)
• M51: 37,577,190 km (0.111 R)
• M52: 38,202,210 km (0.06 R)
• M53: 41,485,285 km (0.079 R)
• M54: 42,238,959 km (0.106 R)
• M55: 42,563,437 km (0.051 R)
• M56: 42,671,745 km (0.111 R)
• M57: 44,307,598 km (0.107 R)
• M58: 45,630,941 km (0.099 R)
• M59: 45,852,795 km (0.068 R)
• M60: 47,079,198 km (0.081 R)
• M61: 47,415,644 km (0.077 R)
• M62: 49,450,324 km (0.112 R)
• M63: 49,792,305 km (0.07 R)
• M64: 51,398,238 km (0.115 R)
• M65: 53,254,149 km (0.108 R)
• M66: 54,425,201 km (0.091 R)
• M67: 55,604,781 km (0.105 R)
• M68: 55,960,375 km (0.069 R)
• M69: 56,197,787 km (0.092 R)
• M70: 60,893,963 km (0.076 R)
• M71: 61,382,699 km (0.066 R)
• M72: 63,350,659 km (0.07 R)
• M73: 64,218,177 km (0.094 R)
• M74: 67,980,115 km (0.103 R)
• M75: 74,667,738 km (0.09 R)
• M76: 76,503,753 km (0.108 R)
• M77: 78,221,884 km (0.086 R)
• M78: 78,620,114 km (0.08 R)
• M79: 81,158,191 km (0.095 R)
• M80: 82,910,281 km (0.1 R)
• M81: 83,180,904 km (0.119 R)
• M82: 83,994,567 km (0.108 R)
• M83: 84,130,551 km (0.027 R)
• M84: 84,538,505 km (0.099 R)
• M85: 86,177,349 km (0.048 R)
• M86: 88,240,603 km (0.043 R)
• M87: 89,070,572 km (0.116 R)
• M88: 89,347,627 km (0.101 R)
• M89: 90,181,037 km (0.106 R)
• M90: 91,855,337 km (0.104 R)
• M91: 91,995,211 km (0.089 R)
• M92: 92,555,903 km (0.097 R)
• M93: 93,117,793 km (0.114 R)
• M94: 94,103,643 km (0.12 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 458 - 17,254 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit