🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.51 AU - 0.55 AU

Year: 253 Days

Day: 38.9 Hours

Environment

Temp: -110 °C

Axial Tilt: 11.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,848,226 km

• M1: 594,652 km (0.074 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.57 AU - 0.69 AU

Year: 328 Days

Day: 27.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 10.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.58 AU - 0.72 AU

Year: 344 Days

Day: 15 Hours

Environment

Temp: -138 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,848,226 km

• M1: 89,908 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.6

Radius: 12.5

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.7 AU - 0.78 AU

Year: 418 Days

Day: 6.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,848,226 km

• M1: 163,361 km (0.058 R)
• M2: 256,112 km (0.077 R)
• M3: 347,665 km (0.117 R)
• M4: 428,149 km (0.044 R)
• M5: 526,884 km (0.057 R)
• M6: 609,312 km (0.034 R)
• M7: 707,448 km (0.066 R)
• M8: 789,727 km (0.037 R)
• M9: 901,178 km (0.119 R)
• M10: 984,354 km (0.1 R)
• M11: 1,067,979 km (0.11 R)
• M12: 1,195,586 km (0.105 R)
• M13: 1,280,259 km (0.058 R)
• M14: 1,377,946 km (0.118 R)
• M15: 1,475,633 km (0.105 R)
• M16: 1,587,233 km (0.072 R)
• M17: 1,716,935 km (0.09 R)
• M18: 1,810,433 km (0.071 R)
• M19: 1,918,144 km (0.103 R)
• M20: 2,120,849 km (0.113 R)
• M21: 2,211,954 km (0.107 R)
• M22: 2,330,884 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.2

Radius: 13.9

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.75 AU - 0.75 AU

Year: 426 Days

Day: 9.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 41,848,226 km

• M1: 175,777 km (0.088 R)
• M2: 283,488 km (0.102 R)
• M3: 383,868 km (0.096 R)
• M4: 538,702 km (0.048 R)
• M5: 626,067 km (0.039 R)
• M6: 722,558 km (0.101 R)
• M7: 881,879 km (0.072 R)
• M8: 975,229 km (0.085 R)
• M9: 1,076,057 km (0.104 R)
• M10: 1,211,294 km (0.111 R)
• M11: 1,304,942 km (0.119 R)
• M12: 1,405,472 km (0.112 R)
• M13: 1,516,922 km (0.084 R)
• M14: 1,636,002 km (0.085 R)
• M15: 1,758,373 km (0.12 R)
• M16: 1,920,537 km (0.067 R)
• M17: 2,040,814 km (0.086 R)
• M18: 2,130,423 km (0.12 R)
• M19: 2,274,636 km (0.095 R)
• M20: 2,442,185 km (0.069 R)
• M21: 2,578,319 km (0.096 R)
• M22: 2,665,236 km (0.109 R)
• M23: 2,831,888 km (0.112 R)
• M24: 3,023,523 km (0.101 R)
• M25: 3,170,128 km (0.05 R)
• M26: 3,313,742 km (0.043 R)
• M27: 3,521,683 km (0.078 R)
• M28: 3,624,457 km (0.065 R)
• M29: 3,722,593 km (0.102 R)
• M30: 3,827,312 km (0.101 R)
• M31: 4,177,969 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.2

Radius: 8.4

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.94 AU - 0.96 AU

Year: 607 Days

Day: 13.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 41,848,226 km

• M1: 111,899 km (0.066 R)
• M2: 198,217 km (0.052 R)
• M3: 250,726 km (0.082 R)
• M4: 343,028 km (0.025 R)
• M5: 459,864 km (0.101 R)
• M6: 544,087 km (0.051 R)
• M7: 671,545 km (0.111 R)
• M8: 745,895 km (0.111 R)
• M9: 816,356 km (0.076 R)
• M10: 885,619 km (0.057 R)
• M11: 986,149 km (0.075 R)
• M12: 1,041,650 km (0.038 R)
• M13: 1,113,607 km (0.067 R)
• M14: 1,238,670 km (0.093 R)
• M15: 1,364,482 km (0.034 R)
• M16: 1,460,524 km (0.07 R)
• M17: 1,554,621 km (0.112 R)
• M18: 1,615,657 km (0.095 R)
• M19: 1,704,069 km (0.074 R)
• M20: 1,849,179 km (0.096 R)
• M21: 1,904,680 km (0.079 R)
• M22: 1,974,841 km (0.053 R)
• M23: 2,041,113 km (0.106 R)
• M24: 2,117,857 km (0.093 R)
• M25: 2,176,051 km (0.108 R)
• M26: 2,358,859 km (0.119 R)
• M27: 2,429,320 km (0.09 R)
• M28: 2,500,528 km (0.088 R)
• M29: 2,562,163 km (0.076 R)
• M30: 2,629,482 km (0.063 R)
• M31: 2,692,163 km (0.045 R)
• M32: 2,819,022 km (0.05 R)
• M33: 2,953,361 km (0.104 R)
• M34: 3,013,200 km (0.101 R)
• M35: 3,073,339 km (0.114 R)
• M36: 3,222,937 km (0.094 R)
• M37: 3,443,145 km (0.114 R)
• M38: 3,517,644 km (0.113 R)
• M39: 3,604,261 km (0.057 R)
• M40: 3,773,756 km (0.049 R)
• M41: 3,892,387 km (0.117 R)
• M42: 4,018,049 km (0.115 R)
• M43: 4,108,706 km (0.047 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.1

Radius: 9.3

Gravity: 8.7 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.06 AU - 1.2 AU

Year: 788 Days

Day: 10.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 41,848,226 km

• M1: 116,387 km (0.097 R)
• M2: 179,517 km (0.12 R)
• M3: 278,252 km (0.063 R)
• M4: 345,870 km (0.118 R)
• M5: 420,968 km (0.086 R)
• M6: 507,436 km (0.103 R)
• M7: 616,194 km (0.073 R)
• M8: 728,093 km (0.053 R)
• M9: 829,670 km (0.079 R)
• M10: 894,296 km (0.055 R)
• M11: 985,401 km (0.095 R)
• M12: 1,066,932 km (0.092 R)
• M13: 1,151,006 km (0.038 R)
• M14: 1,244,056 km (0.115 R)
• M15: 1,305,241 km (0.105 R)
• M16: 1,438,084 km (0.082 R)
• M17: 1,656,946 km (0.056 R)
• M18: 1,724,863 km (0.056 R)
• M19: 1,878,949 km (0.055 R)
• M20: 1,949,859 km (0.089 R)
• M21: 2,029,744 km (0.112 R)
• M22: 2,110,676 km (0.078 R)
• M23: 2,292,737 km (0.11 R)
• M24: 2,471,357 km (0.116 R)
• M25: 2,690,069 km (0.098 R)
• M26: 2,779,379 km (0.113 R)
• M27: 3,034,742 km (0.067 R)
• M28: 3,146,492 km (0.104 R)
• M29: 3,221,740 km (0.091 R)
• M30: 3,490,118 km (0.074 R)
• M31: 3,587,806 km (0.105 R)
• M32: 3,656,621 km (0.118 R)
• M33: 3,775,850 km (0.072 R)
• M34: 3,835,839 km (0.049 R)
• M35: 4,048,567 km (0.067 R)
• M36: 4,244,391 km (0.077 R)
• M37: 4,411,791 km (0.113 R)
• M38: 4,517,556 km (0.115 R)
• M39: 4,883,323 km (0.065 R)
• M40: 4,981,759 km (0.106 R)
• M41: 5,092,012 km (0.091 R)
• M42: 5,214,084 km (0.111 R)
• M43: 5,540,806 km (0.117 R)
• M44: 5,677,987 km (0.058 R)
• M45: 5,758,471 km (0.113 R)
• M46: 5,920,635 km (0.082 R)
• M47: 6,096,113 km (0.078 R)
• M48: 6,285,205 km (0.115 R)
• M49: 6,548,497 km (0.086 R)
• M50: 6,681,490 km (0.069 R)
• M51: 6,888,683 km (0.103 R)
• M52: 7,147,637 km (0.081 R)
• M53: 7,573,841 km (0.109 R)
• M54: 7,637,121 km (0.117 R)
• M55: 7,713,416 km (0.048 R)
• M56: 8,085,615 km (0.055 R)
• M57: 8,254,511 km (0.108 R)
• M58: 8,385,110 km (0.11 R)
• M59: 8,648,403 km (0.114 R)
• M60: 8,714,674 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.2

Radius: 10.7

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.27 AU - 4.73 AU

Year: 5248 Days

Day: 10.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 118.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 41,848,226 km

• M1: 164,408 km (0.104 R)
• M2: 246,687 km (0.112 R)
• M3: 325,974 km (0.119 R)
• M4: 454,478 km (0.106 R)
• M5: 700,866 km (0.096 R)
• M6: 1,231,639 km (0.119 R)
• M7: 1,447,659 km (0.046 R)
• M8: 1,629,420 km (0.059 R)
• M9: 1,835,117 km (0.086 R)
• M10: 1,966,015 km (0.112 R)
• M11: 2,032,736 km (0.034 R)
• M12: 2,413,163 km (0.119 R)
• M13: 2,593,578 km (0.09 R)
• M14: 2,685,431 km (0.114 R)
• M15: 2,834,880 km (0.076 R)
• M16: 3,200,796 km (0.107 R)
• M17: 3,399,612 km (0.083 R)
• M18: 3,561,477 km (0.115 R)
• M19: 4,084,171 km (0.093 R)
• M20: 4,720,561 km (0.12 R)
• M21: 5,016,017 km (0.064 R)
• M22: 5,317,456 km (0.084 R)
• M23: 5,387,917 km (0.099 R)
• M24: 5,553,522 km (0.059 R)
• M25: 5,625,030 km (0.1 R)
• M26: 5,720,772 km (0.066 R)
• M27: 6,060,359 km (0.079 R)
• M28: 6,158,496 km (0.058 R)
• M29: 6,282,063 km (0.09 R)
• M30: 6,607,289 km (0.117 R)
• M31: 6,835,576 km (0.097 R)
• M32: 7,066,555 km (0.054 R)
• M33: 7,509,813 km (0.034 R)
• M34: 8,341,428 km (0.107 R)
• M35: 8,837,793 km (0.1 R)
• M36: 8,977,368 km (0.109 R)
• M37: 9,173,940 km (0.093 R)
• M38: 9,714,886 km (0.084 R)
• M39: 9,916,843 km (0.096 R)
• M40: 10,003,759 km (0.103 R)
• M41: 10,149,318 km (0.113 R)
• M42: 10,442,530 km (0.1 R)
• M43: 10,887,434 km (0.095 R)
• M44: 11,187,527 km (0.12 R)
• M45: 11,278,183 km (0.106 R)
• M46: 11,368,989 km (0.098 R)
• M47: 11,520,831 km (0.1 R)
• M48: 11,673,421 km (0.115 R)
• M49: 12,166,196 km (0.11 R)
• M50: 12,918,075 km (0.109 R)
• M51: 13,395,741 km (0.111 R)
• M52: 14,106,780 km (0.104 R)
• M53: 14,335,515 km (0.038 R)
• M54: 14,763,814 km (0.12 R)
• M55: 15,700,297 km (0.078 R)
• M56: 16,039,435 km (0.118 R)
• M57: 16,449,632 km (0.05 R)
• M58: 17,420,074 km (0.058 R)
• M59: 17,806,485 km (0.12 R)
• M60: 18,766,754 km (0.115 R)
• M61: 18,838,561 km (0.085 R)
• M62: 19,018,527 km (0.077 R)
• M63: 20,183,446 km (0.12 R)
• M64: 20,404,551 km (0.073 R)
• M65: 20,811,757 km (0.118 R)
• M66: 21,184,405 km (0.052 R)
• M67: 22,391,510 km (0.051 R)
• M68: 22,773,284 km (0.084 R)
• M69: 22,888,175 km (0.094 R)
• M70: 23,003,365 km (0.106 R)
• M71: 23,737,143 km (0.052 R)
• M72: 23,931,471 km (0.067 R)
• M73: 25,505,539 km (0.118 R)
• M74: 25,585,125 km (0.082 R)
• M75: 26,184,564 km (0.049 R)
• M76: 26,788,640 km (0.1 R)
• M77: 27,031,587 km (0.102 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.1

Radius: 14.6

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 5.01 AU - 6.61 AU

Year: 9187 Days

Day: 6.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 41,848,226 km

• M1: 250,576 km (0.071 R)
• M2: 387,309 km (0.107 R)
• M3: 514,916 km (0.079 R)
• M4: 704,456 km (0.053 R)
• M5: 856,149 km (0.044 R)
• M6: 969,843 km (0.09 R)
• M7: 1,159,982 km (0.076 R)
• M8: 1,250,788 km (0.087 R)
• M9: 1,382,434 km (0.11 R)
• M10: 1,499,120 km (0.118 R)
• M11: 2,179,791 km (0.113 R)
• M12: 2,294,383 km (0.071 R)
• M13: 2,529,999 km (0.108 R)
• M14: 3,258,092 km (0.051 R)
• M15: 3,605,159 km (0.114 R)
• M16: 4,248,729 km (0.099 R)
• M17: 4,569,317 km (0.113 R)
• M18: 5,080,493 km (0.07 R)
• M19: 5,296,363 km (0.081 R)
• M20: 7,442,943 km (0.032 R)
• M21: 7,937,214 km (0.111 R)
• M22: 8,152,186 km (0.109 R)
• M23: 8,957,472 km (0.075 R)
• M24: 9,144,020 km (0.115 R)
• M25: 9,407,462 km (0.103 R)
• M26: 10,212,747 km (0.117 R)
• M27: 10,447,018 km (0.084 R)
• M28: 11,482,385 km (0.053 R)
• M29: 12,012,410 km (0.095 R)
• M30: 13,521,553 km (0.096 R)
• M31: 15,491,159 km (0.106 R)
• M32: 15,941,000 km (0.106 R)
• M33: 16,440,806 km (0.108 R)
• M34: 16,669,691 km (0.094 R)
• M35: 16,945,848 km (0.097 R)
• M36: 17,595,851 km (0.114 R)
• M37: 18,491,194 km (0.116 R)
• M38: 18,824,798 km (0.11 R)
• M39: 19,064,453 km (0.106 R)
• M40: 19,304,857 km (0.1 R)
• M41: 19,594,927 km (0.118 R)
• M42: 22,981,225 km (0.053 R)
• M43: 24,741,244 km (0.095 R)
• M44: 25,319,888 km (0.097 R)
• M45: 25,690,442 km (0.083 R)
• M46: 27,028,595 km (0.066 R)
• M47: 28,389,487 km (0.076 R)
• M48: 28,719,350 km (0.106 R)
• M49: 29,216,614 km (0.075 R)
• M50: 29,438,467 km (0.078 R)
• M51: 29,716,719 km (0.057 R)
• M52: 30,275,767 km (0.117 R)
• M53: 30,500,313 km (0.091 R)
• M54: 30,838,255 km (0.1 R)
• M55: 32,431,622 km (0.107 R)
• M56: 32,891,785 km (0.119 R)
• M57: 33,238,253 km (0.098 R)
• M58: 33,528,024 km (0.073 R)
• M59: 34,989,147 km (0.095 R)
• M60: 35,224,913 km (0.076 R)
• M61: 36,113,524 km (0.099 R)
• M62: 36,351,684 km (0.113 R)
• M63: 36,471,063 km (0.103 R)
• M64: 39,067,634 km (0.028 R)
• M65: 39,864,242 km (0.12 R)
• M66: 40,790,253 km (0.1 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: 527 - 20,008 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit