🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.42 AU - 0.66 AU

Year: 256 Days

Day: 12.2 Hours

Environment

Temp: -117 °C

Axial Tilt: 12.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.56 AU - 0.66 AU

Year: 308 Days

Day: 27.3 Hours

Environment

Temp: -130 °C

Axial Tilt: 48 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.9

Radius: 12.9

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.77 AU - 0.91 AU

Year: 497 Days

Day: 14.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 22,010,276 km

• M1: 163,361 km (0.075 R)
• M2: 295,755 km (0.117 R)
• M3: 376,987 km (0.108 R)
• M4: 466,596 km (0.027 R)
• M5: 573,708 km (0.059 R)
• M6: 708,047 km (0.097 R)
• M7: 896,241 km (0.096 R)
• M8: 982,260 km (0.092 R)
• M9: 1,096,852 km (0.029 R)
• M10: 1,205,759 km (0.096 R)
• M11: 1,329,476 km (0.11 R)
• M12: 1,418,337 km (0.064 R)
• M13: 1,751,641 km (0.041 R)
• M14: 1,837,361 km (0.087 R)
• M15: 1,975,141 km (0.091 R)
• M16: 2,064,750 km (0.083 R)
• M17: 2,195,050 km (0.113 R)
• M18: 2,288,099 km (0.062 R)
• M19: 2,492,001 km (0.098 R)
• M20: 2,610,184 km (0.085 R)
• M21: 2,694,856 km (0.109 R)
• M22: 2,787,607 km (0.116 R)
• M23: 2,881,405 km (0.084 R)
• M24: 3,013,200 km (0.079 R)
• M25: 3,139,461 km (0.073 R)
• M26: 3,482,638 km (0.074 R)
• M27: 3,734,112 km (0.093 R)
• M28: 3,991,570 km (0.104 R)
• M29: 4,114,390 km (0.034 R)
• M30: 4,271,618 km (0.059 R)
• M31: 4,355,243 km (0.081 R)
• M32: 4,609,410 km (0.076 R)
• M33: 4,842,483 km (0.07 R)
• M34: 5,105,925 km (0.11 R)
• M35: 5,555,616 km (0.063 R)
• M36: 5,638,045 km (0.081 R)
• M37: 5,739,173 km (0.103 R)
• M38: 5,822,349 km (0.08 R)
• M39: 5,924,674 km (0.082 R)
• M40: 6,008,898 km (0.061 R)
• M41: 6,301,810 km (0.1 R)
• M42: 6,522,168 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.1

Radius: 14.5

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.67 AU - 1.07 AU

Year: 524 Days

Day: 8.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 22,010,276 km

• M1: 180,864 km (0.06 R)
• M2: 286,480 km (0.098 R)
• M3: 381,624 km (0.099 R)
• M4: 487,839 km (0.079 R)
• M5: 608,115 km (0.095 R)
• M6: 710,889 km (0.114 R)
• M7: 885,171 km (0.066 R)
• M8: 995,574 km (0.095 R)
• M9: 1,126,472 km (0.085 R)
• M10: 1,329,177 km (0.091 R)
• M11: 1,515,576 km (0.118 R)
• M12: 1,717,234 km (0.111 R)
• M13: 1,928,017 km (0.062 R)
• M14: 2,043,208 km (0.065 R)
• M15: 2,207,317 km (0.119 R)
• M16: 2,321,460 km (0.104 R)
• M17: 2,486,017 km (0.117 R)
• M18: 2,619,309 km (0.102 R)
• M19: 2,711,761 km (0.046 R)
• M20: 2,871,082 km (0.12 R)
• M21: 3,093,385 km (0.106 R)
• M22: 3,199,150 km (0.115 R)
• M23: 3,290,704 km (0.091 R)
• M24: 3,476,655 km (0.113 R)
• M25: 3,706,138 km (0.088 R)
• M26: 3,802,628 km (0.041 R)
• M27: 3,924,401 km (0.08 R)
• M28: 4,039,292 km (0.07 R)
• M29: 4,213,723 km (0.089 R)
• M30: 4,331,457 km (0.035 R)
• M31: 4,433,183 km (0.118 R)
• M32: 4,587,419 km (0.097 R)
• M33: 4,734,773 km (0.077 R)
• M34: 4,874,946 km (0.104 R)
• M35: 5,114,602 km (0.058 R)
• M36: 5,376,398 km (0.086 R)
• M37: 5,522,705 km (0.111 R)
• M38: 5,624,132 km (0.097 R)
• M39: 5,735,582 km (0.067 R)
• M40: 6,007,701 km (0.099 R)
• M41: 6,131,119 km (0.102 R)
• M42: 6,313,030 km (0.069 R)
• M43: 6,477,289 km (0.109 R)
• M44: 6,613,722 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.2

Radius: 12.5

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.94 AU - 1.22 AU

Year: 725 Days

Day: 12.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 22,010,276 km

• M1: 160,219 km (0.111 R)
• M2: 323,730 km (0.097 R)
• M3: 405,709 km (0.11 R)
• M4: 622,178 km (0.1 R)
• M5: 708,645 km (0.079 R)
• M6: 804,986 km (0.118 R)
• M7: 884,722 km (0.115 R)
• M8: 984,354 km (0.064 R)
• M9: 1,064,688 km (0.051 R)
• M10: 1,153,549 km (0.08 R)
• M11: 1,582,297 km (0.119 R)
• M12: 1,671,307 km (0.1 R)
• M13: 1,754,933 km (0.025 R)
• M14: 1,833,023 km (0.08 R)
• M15: 1,926,821 km (0.084 R)
• M16: 2,059,364 km (0.108 R)
• M17: 2,142,092 km (0.117 R)
• M18: 2,334,026 km (0.066 R)
• M19: 2,491,852 km (0.079 R)
• M20: 2,686,179 km (0.093 R)
• M21: 2,902,199 km (0.032 R)
• M22: 3,219,795 km (0.053 R)
• M23: 3,298,783 km (0.115 R)
• M24: 3,414,123 km (0.075 R)
• M25: 3,548,761 km (0.066 R)
• M26: 3,721,995 km (0.117 R)
• M27: 3,935,471 km (0.029 R)
• M28: 4,114,989 km (0.102 R)
• M29: 4,403,862 km (0.116 R)
• M30: 4,491,826 km (0.11 R)
• M31: 4,570,664 km (0.091 R)
• M32: 4,719,514 km (0.102 R)
• M33: 4,859,836 km (0.091 R)
• M34: 4,991,632 km (0.05 R)
• M35: 5,186,109 km (0.117 R)
• M36: 5,414,695 km (0.111 R)
• M37: 5,604,086 km (0.079 R)
• M38: 5,774,328 km (0.085 R)
• M39: 6,022,212 km (0.045 R)
• M40: 6,809,246 km (0.1 R)
• M41: 7,071,192 km (0.086 R)
• M42: 7,290,054 km (0.076 R)
• M43: 7,534,646 km (0.116 R)
• M44: 7,652,081 km (0.088 R)
• M45: 7,793,899 km (0.083 R)
• M46: 8,020,091 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.9

Radius: 8.2

Gravity: 8.68 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.23 AU - 1.23 AU

Year: 881 Days

Day: 14 Hours

Environment

Temp: -166 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 22,010,276 km

• M1: 102,774 km (0.099 R)
• M2: 181,313 km (0.074 R)
• M3: 263,143 km (0.092 R)
• M4: 453,431 km (0.068 R)
• M5: 533,466 km (0.112 R)
• M6: 698,173 km (0.066 R)
• M7: 873,801 km (0.066 R)
• M8: 1,274,424 km (0.076 R)
• M9: 1,629,869 km (0.113 R)
• M10: 1,780,514 km (0.085 R)
• M11: 1,849,927 km (0.104 R)
• M12: 1,912,310 km (0.058 R)
• M13: 1,975,440 km (0.078 R)
• M14: 2,071,482 km (0.11 R)
• M15: 2,152,863 km (0.08 R)
• M16: 2,226,914 km (0.069 R)
• M17: 2,335,372 km (0.069 R)
• M18: 2,471,357 km (0.11 R)
• M19: 2,540,471 km (0.069 R)
• M20: 2,610,034 km (0.112 R)
• M21: 2,858,965 km (0.113 R)
• M22: 2,958,896 km (0.096 R)
• M23: 3,134,375 km (0.069 R)
• M24: 3,246,872 km (0.059 R)
• M25: 3,651,235 km (0.084 R)
• M26: 3,720,349 km (0.065 R)
• M27: 3,799,636 km (0.115 R)
• M28: 3,949,982 km (0.09 R)
• M29: 4,350,156 km (0.041 R)
• M30: 4,688,248 km (0.073 R)
• M31: 4,849,664 km (0.117 R)
• M32: 4,914,739 km (0.101 R)
• M33: 5,133,900 km (0.064 R)
• M34: 5,211,242 km (0.104 R)
• M35: 5,333,762 km (0.096 R)
• M36: 5,412,301 km (0.079 R)
• M37: 5,536,318 km (0.113 R)
• M38: 5,604,385 km (0.115 R)
• M39: 6,229,555 km (0.045 R)
• M40: 6,407,127 km (0.106 R)
• M41: 6,610,431 km (0.094 R)
• M42: 6,743,124 km (0.085 R)
• M43: 6,852,480 km (0.084 R)
• M44: 7,011,203 km (0.066 R)
• M45: 7,072,688 km (0.107 R)
• M46: 7,369,939 km (0.038 R)
• M47: 7,557,834 km (0.061 R)
• M48: 7,772,806 km (0.081 R)
• M49: 8,131,093 km (0.087 R)
• M50: 8,247,480 km (0.102 R)
• M51: 8,403,361 km (0.041 R)
• M52: 8,507,930 km (0.109 R)
• M53: 8,573,454 km (0.089 R)
• M54: 8,665,606 km (0.107 R)
• M55: 8,917,080 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447

Radius: 9.6

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.72 AU - 2.58 AU

Year: 2036 Days

Day: 11 Hours

Environment

Temp: -183 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 22,010,276 km

• M1: 121,773 km (0.056 R)
• M2: 201,060 km (0.078 R)
• M3: 264,788 km (0.061 R)
• M4: 424,260 km (0.098 R)
• M5: 557,102 km (0.069 R)
• M6: 931,696 km (0.057 R)
• M7: 1,199,925 km (0.057 R)
• M8: 1,329,027 km (0.099 R)
• M9: 1,652,159 km (0.104 R)
• M10: 1,849,478 km (0.104 R)
• M11: 2,032,736 km (0.081 R)
• M12: 2,233,197 km (0.118 R)
• M13: 2,440,240 km (0.107 R)
• M14: 2,593,877 km (0.051 R)
• M15: 2,885,743 km (0.077 R)
• M16: 3,291,452 km (0.083 R)
• M17: 3,461,396 km (0.096 R)
• M18: 3,540,832 km (0.115 R)
• M19: 3,688,186 km (0.085 R)
• M20: 3,796,644 km (0.106 R)
• M21: 3,864,861 km (0.096 R)
• M22: 4,198,614 km (0.087 R)
• M23: 4,498,109 km (0.082 R)
• M24: 4,953,185 km (0.099 R)
• M25: 5,639,840 km (0.096 R)
• M26: 5,796,618 km (0.057 R)
• M27: 5,859,599 km (0.039 R)
• M28: 6,114,215 km (0.11 R)
• M29: 6,259,025 km (0.049 R)
• M30: 6,372,570 km (0.12 R)
• M31: 6,866,542 km (0.118 R)
• M32: 7,101,261 km (0.089 R)
• M33: 7,185,784 km (0.087 R)
• M34: 7,253,552 km (0.068 R)
• M35: 7,338,673 km (0.077 R)
• M36: 7,475,555 km (0.09 R)
• M37: 7,717,156 km (0.085 R)
• M38: 8,049,113 km (0.072 R)
• M39: 8,172,532 km (0.081 R)
• M40: 8,261,094 km (0.091 R)
• M41: 8,385,709 km (0.113 R)
• M42: 8,817,598 km (0.087 R)
• M43: 8,981,407 km (0.076 R)
• M44: 9,516,220 km (0.116 R)
• M45: 9,609,419 km (0.079 R)
• M46: 9,834,414 km (0.103 R)
• M47: 9,928,811 km (0.11 R)
• M48: 10,655,258 km (0.078 R)
• M49: 10,946,675 km (0.109 R)
• M50: 11,083,557 km (0.107 R)
• M51: 11,438,403 km (0.107 R)
• M52: 11,756,747 km (0.111 R)
• M53: 11,836,932 km (0.114 R)
• M54: 12,017,646 km (0.116 R)
• M55: 12,219,752 km (0.11 R)
• M56: 12,361,870 km (0.07 R)
• M57: 12,484,092 km (0.097 R)
• M58: 12,545,277 km (0.115 R)
• M59: 12,627,107 km (0.117 R)
• M60: 12,709,087 km (0.043 R)
• M61: 12,811,861 km (0.111 R)
• M62: 13,246,592 km (0.107 R)
• M63: 13,392,600 km (0.102 R)
• M64: 13,518,112 km (0.093 R)
• M65: 13,622,980 km (0.053 R)
• M66: 13,686,111 km (0.109 R)
• M67: 13,981,866 km (0.045 R)
• M68: 14,322,351 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.8

Radius: 12.7

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.47 AU - 2.87 AU

Year: 2817 Days

Day: 7.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 22,010,276 km

• M1: 179,817 km (0.069 R)
• M2: 300,991 km (0.087 R)
• M3: 394,938 km (0.072 R)
• M4: 553,961 km (0.061 R)
• M5: 777,759 km (0.093 R)
• M6: 869,762 km (0.093 R)
• M7: 1,066,334 km (0.048 R)
• M8: 1,205,908 km (0.113 R)
• M9: 1,327,232 km (0.081 R)
• M10: 1,452,895 km (0.098 R)
• M11: 1,596,060 km (0.107 R)
• M12: 1,840,652 km (0.079 R)
• M13: 1,996,384 km (0.119 R)
• M14: 2,097,811 km (0.104 R)
• M15: 2,599,861 km (0.087 R)
• M16: 2,695,155 km (0.105 R)
• M17: 3,172,821 km (0.032 R)
• M18: 3,465,285 km (0.109 R)
• M19: 3,820,730 km (0.095 R)
• M20: 3,984,539 km (0.104 R)
• M21: 4,528,477 km (0.105 R)
• M22: 4,858,340 km (0.078 R)
• M23: 4,996,569 km (0.107 R)
• M24: 5,076,005 km (0.088 R)
• M25: 5,236,374 km (0.078 R)
• M26: 5,439,229 km (0.037 R)
• M27: 5,790,186 km (0.113 R)
• M28: 5,978,978 km (0.114 R)
• M29: 6,148,472 km (0.075 R)
• M30: 6,384,239 km (0.053 R)
• M31: 6,492,398 km (0.079 R)
• M32: 6,864,747 km (0.092 R)
• M33: 7,020,030 km (0.112 R)
• M34: 7,131,779 km (0.114 R)
• M35: 7,221,538 km (0.097 R)
• M36: 7,470,469 km (0.107 R)
• M37: 7,745,280 km (0.113 R)
• M38: 8,661,268 km (0.106 R)
• M39: 9,512,480 km (0.074 R)
• M40: 9,785,496 km (0.087 R)
• M41: 10,136,752 km (0.078 R)
• M42: 10,390,320 km (0.113 R)
• M43: 10,594,521 km (0.069 R)
• M44: 10,748,607 km (0.101 R)
• M45: 11,085,202 km (0.047 R)
• M46: 11,189,322 km (0.096 R)
• M47: 11,688,979 km (0.108 R)
• M48: 11,795,044 km (0.12 R)
• M49: 12,115,333 km (0.098 R)
• M50: 12,195,817 km (0.048 R)
• M51: 12,330,455 km (0.101 R)
• M52: 12,411,537 km (0.086 R)
• M53: 13,203,658 km (0.109 R)
• M54: 13,286,535 km (0.113 R)
• M55: 13,425,063 km (0.083 R)
• M56: 14,068,483 km (0.115 R)
• M57: 14,493,640 km (0.101 R)
• M58: 14,722,076 km (0.087 R)
• M59: 16,058,733 km (0.11 R)
• M60: 16,295,247 km (0.063 R)
• M61: 16,413,878 km (0.101 R)
• M62: 16,503,039 km (0.119 R)
• M63: 17,222,305 km (0.093 R)
• M64: 17,343,180 km (0.112 R)
• M65: 18,258,869 km (0.095 R)
• M66: 18,443,921 km (0.083 R)
• M67: 19,096,318 km (0.095 R)
• M68: 20,328,107 km (0.055 R)
• M69: 20,680,260 km (0.073 R)
• M70: 20,937,568 km (0.117 R)
• M71: 21,131,298 km (0.069 R)
• M72: 21,293,163 km (0.072 R)
• M73: 21,487,939 km (0.081 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 16,888 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit