🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.45 AU - 0.73 AU

Year: 293 Days

Day: 30.1 Hours

Environment

Temp: -117 °C

Axial Tilt: 14.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 25,323,537 km

• M1: 311,313 km (0.078 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.59 AU - 0.67 AU

Year: 323 Days

Day: 17.7 Hours

Environment

Temp: -132 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.59 AU - 0.69 AU

Year: 331 Days

Day: 21 Hours

Environment

Temp: -139 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.7

Radius: 8.9

Gravity: 12.23 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.87 AU - 0.93 AU

Year: 551 Days

Day: 11.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 25,323,537 km

• M1: 118,332 km (0.054 R)
• M2: 176,825 km (0.11 R)
• M3: 232,176 km (0.086 R)
• M4: 339,138 km (0.055 R)
• M5: 402,568 km (0.114 R)
• M6: 474,973 km (0.068 R)
• M7: 534,812 km (0.083 R)
• M8: 682,765 km (0.047 R)
• M9: 777,311 km (0.092 R)
• M10: 834,158 km (0.113 R)
• M11: 903,422 km (0.093 R)
• M12: 991,535 km (0.042 R)
• M13: 1,065,286 km (0.051 R)
• M14: 1,146,817 km (0.088 R)
• M15: 1,206,507 km (0.114 R)
• M16: 1,267,244 km (0.084 R)
• M17: 1,430,305 km (0.098 R)
• M18: 1,580,352 km (0.118 R)
• M19: 1,653,954 km (0.08 R)
• M20: 1,818,811 km (0.081 R)
• M21: 1,917,396 km (0.066 R)
• M22: 2,003,415 km (0.097 R)
• M23: 2,134,911 km (0.068 R)
• M24: 2,314,877 km (0.098 R)
• M25: 2,375,913 km (0.028 R)
• M26: 2,460,735 km (0.119 R)
• M27: 2,625,742 km (0.101 R)
• M28: 2,705,627 km (0.1 R)
• M29: 2,762,025 km (0.12 R)
• M30: 2,900,553 km (0.033 R)
• M31: 2,999,737 km (0.112 R)
• M32: 3,083,362 km (0.114 R)
• M33: 3,442,995 km (0.073 R)
• M34: 3,752,812 km (0.105 R)
• M35: 4,108,855 km (0.115 R)
• M36: 4,173,930 km (0.078 R)
• M37: 4,333,402 km (0.054 R)
• M38: 4,390,099 km (0.11 R)
• M39: 4,504,392 km (0.046 R)
• M40: 4,619,732 km (0.052 R)
• M41: 4,794,462 km (0.098 R)
• M42: 4,922,069 km (0.094 R)
• M43: 4,981,310 km (0.063 R)
• M44: 5,050,873 km (0.093 R)
• M45: 5,311,772 km (0.103 R)
• M46: 5,888,471 km (0.096 R)
• M47: 6,078,161 km (0.106 R)
• M48: 6,205,768 km (0.099 R)
• M49: 6,280,567 km (0.054 R)
• M50: 6,355,666 km (0.097 R)
• M51: 6,485,217 km (0.087 R)
• M52: 6,670,120 km (0.094 R)
• M53: 6,757,785 km (0.076 R)
• M54: 6,856,968 km (0.107 R)
• M55: 7,112,332 km (0.106 R)
• M56: 7,269,260 km (0.115 R)
• M57: 7,382,206 km (0.079 R)
• M58: 7,609,595 km (0.111 R)
• M59: 7,735,706 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.4

Radius: 11.3

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.11 AU - 2.61 AU

Year: 2341 Days

Day: 11.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 25,323,537 km

• M1: 173,982 km (0.085 R)
• M2: 372,349 km (0.118 R)
• M3: 509,082 km (0.078 R)
• M4: 672,143 km (0.109 R)
• M5: 774,917 km (0.1 R)
• M6: 846,724 km (0.089 R)
• M7: 1,158,187 km (0.1 R)
• M8: 1,267,393 km (0.088 R)
• M9: 1,353,861 km (0.099 R)
• M10: 1,625,530 km (0.086 R)
• M11: 1,710,652 km (0.063 R)
• M12: 1,875,509 km (0.118 R)
• M13: 1,964,968 km (0.117 R)
• M14: 2,252,645 km (0.101 R)
• M15: 2,521,173 km (0.103 R)
• M16: 2,631,576 km (0.1 R)
• M17: 2,845,800 km (0.061 R)
• M18: 3,019,035 km (0.114 R)
• M19: 3,148,437 km (0.084 R)
• M20: 3,547,564 km (0.042 R)
• M21: 3,696,713 km (0.114 R)
• M22: 3,822,674 km (0.114 R)
• M23: 4,209,235 km (0.111 R)
• M24: 4,314,403 km (0.115 R)
• M25: 4,514,116 km (0.08 R)
• M26: 4,594,899 km (0.109 R)
• M27: 5,103,531 km (0.069 R)
• M28: 5,258,216 km (0.114 R)
• M29: 5,775,525 km (0.036 R)
• M30: 5,907,321 km (0.044 R)
• M31: 5,981,072 km (0.064 R)
• M32: 6,399,647 km (0.093 R)
• M33: 6,475,344 km (0.071 R)
• M34: 6,581,858 km (0.117 R)
• M35: 6,704,378 km (0.027 R)
• M36: 6,781,271 km (0.12 R)
• M37: 6,936,105 km (0.084 R)
• M38: 7,076,428 km (0.047 R)
• M39: 7,249,214 km (0.097 R)
• M40: 7,889,493 km (0.116 R)
• M41: 7,987,030 km (0.08 R)
• M42: 8,282,337 km (0.114 R)
• M43: 8,497,757 km (0.096 R)
• M44: 8,833,006 km (0.117 R)
• M45: 9,036,160 km (0.088 R)
• M46: 9,378,291 km (0.04 R)
• M47: 9,481,663 km (0.054 R)
• M48: 9,620,340 km (0.089 R)
• M49: 9,811,975 km (0.095 R)
• M50: 10,287,696 km (0.11 R)
• M51: 10,716,892 km (0.116 R)
• M52: 10,843,153 km (0.078 R)
• M53: 11,115,421 km (0.113 R)
• M54: 11,243,327 km (0.037 R)
• M55: 11,759,739 km (0.099 R)
• M56: 11,834,089 km (0.076 R)
• M57: 11,964,688 km (0.065 R)
• M58: 12,283,780 km (0.106 R)
• M59: 12,453,873 km (0.111 R)
• M60: 12,605,865 km (0.069 R)
• M61: 12,739,156 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 571.7

Radius: 6.4

Gravity: 13.96 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 6.59 AU - 9.39 AU

Year: 14583 Days

Day: 19.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 25,323,537 km

• M1: 365,767 km (0.098 R)
• M2: 411,394 km (0.043 R)
• M3: 689,048 km (0.036 R)
• M4: 1,269,936 km (0.036 R)
• M5: 1,515,726 km (0.09 R)
• M6: 1,644,380 km (0.088 R)
• M7: 1,749,846 km (0.109 R)
• M8: 1,830,480 km (0.083 R)
• M9: 1,884,784 km (0.11 R)
• M10: 2,488,710 km (0.104 R)
• M11: 3,312,695 km (0.078 R)
• M12: 3,858,428 km (0.096 R)
• M13: 3,999,200 km (0.094 R)
• M14: 4,106,013 km (0.107 R)
• M15: 4,803,737 km (0.109 R)
• M16: 5,031,724 km (0.072 R)
• M17: 5,380,287 km (0.103 R)
• M18: 6,639,752 km (0.095 R)
• M19: 6,681,789 km (0.108 R)
• M20: 6,851,134 km (0.1 R)
• M21: 7,718,652 km (0.094 R)
• M22: 8,165,201 km (0.112 R)
• M23: 8,897,333 km (0.071 R)
• M24: 9,036,908 km (0.093 R)
• M25: 9,602,538 km (0.092 R)
• M26: 9,745,703 km (0.064 R)
• M27: 10,228,156 km (0.088 R)
• M28: 10,423,232 km (0.087 R)
• M29: 10,866,939 km (0.07 R)
• M30: 11,316,630 km (0.087 R)
• M31: 11,367,045 km (0.088 R)
• M32: 11,874,630 km (0.113 R)
• M33: 12,234,413 km (0.116 R)
• M34: 12,493,517 km (0.095 R)
• M35: 12,911,942 km (0.1 R)
• M36: 12,964,600 km (0.119 R)
• M37: 13,601,738 km (0.05 R)
• M38: 15,349,938 km (0.108 R)
• M39: 15,461,538 km (0.12 R)
• M40: 15,573,438 km (0.058 R)
• M41: 16,023,578 km (0.111 R)
• M42: 16,250,218 km (0.034 R)
• M43: 16,478,056 km (0.036 R)
• M44: 16,821,682 km (0.086 R)
• M45: 17,690,995 km (0.063 R)
• M46: 18,515,579 km (0.025 R)
• M47: 18,992,347 km (0.099 R)
• M48: 19,232,302 km (0.116 R)
• M49: 19,473,155 km (0.054 R)
• M50: 19,594,030 km (0.057 R)
• M51: 20,446,738 km (0.111 R)
• M52: 21,063,380 km (0.101 R)
• M53: 21,125,314 km (0.055 R)
• M54: 21,811,220 km (0.088 R)
• M55: 22,125,375 km (0.089 R)
• M56: 22,314,617 km (0.096 R)
• M57: 22,504,456 km (0.086 R)
• M58: 22,631,166 km (0.107 R)
• M59: 24,888,598 km (0.083 R)
• M60: 25,085,469 km (0.073 R)
• M61: 26,277,165 km (0.108 R)
• M62: 26,544,347 km (0.069 R)
• M63: 27,758,483 km (0.115 R)
• M64: 28,303,917 km (0.072 R)
• M65: 28,852,792 km (0.11 R)
• M66: 29,335,993 km (0.095 R)
• M67: 30,731,292 km (0.093 R)
• M68: 31,720,733 km (0.074 R)
• M69: 32,147,984 km (0.071 R)
• M70: 32,290,850 km (0.107 R)
• M71: 33,368,852 km (0.096 R)
• M72: 34,021,249 km (0.096 R)
• M73: 34,751,286 km (0.108 R)
• M74: 38,023,590 km (0.1 R)
• M75: 38,099,137 km (0.04 R)
• M76: 38,326,077 km (0.094 R)
• M77: 38,933,145 km (0.075 R)
• M78: 39,390,466 km (0.038 R)
• M79: 41,392,983 km (0.108 R)
• M80: 42,250,179 km (0.083 R)
• M81: 42,328,418 km (0.078 R)
• M82: 43,586,387 km (0.106 R)
• M83: 47,514,528 km (0.103 R)
• M84: 48,084,944 km (0.083 R)
• M85: 48,657,605 km (0.099 R)
• M86: 48,821,564 km (0.08 R)
• M87: 49,150,231 km (0.075 R)
• M88: 50,389,051 km (0.081 R)
• M89: 51,638,043 km (0.108 R)
• M90: 53,742,287 km (0.114 R)
• M91: 54,762,245 km (0.065 R)
• M92: 55,788,636 km (0.071 R)
• M93: 57,599,967 km (0.073 R)
• M94: 57,860,268 km (0.07 R)
• M95: 58,034,100 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 27.3

Radius: 3.5

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 7.52 AU - 11.7 AU

Year: 19235 Days

Day: 18.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 25,323,537 km

• M1: 65,075 km (0.118 R)
• M2: 104,569 km (0.066 R)
• M3: 188,194 km (0.077 R)
• M4: 378,483 km (0.05 R)
• M5: 482,004 km (0.079 R)
• M6: 531,970 km (0.069 R)
• M7: 714,779 km (0.096 R)
• M8: 1,094,458 km (0.034 R)
• M9: 1,541,606 km (0.101 R)
• M10: 1,586,186 km (0.111 R)
• M11: 2,006,407 km (0.043 R)
• M12: 2,153,761 km (0.068 R)
• M13: 2,237,087 km (0.1 R)
• M14: 2,493,797 km (0.085 R)
• M15: 2,598,964 km (0.046 R)
• M16: 3,165,641 km (0.12 R)
• M17: 3,453,168 km (0.094 R)
• M18: 3,789,015 km (0.1 R)
• M19: 4,218,211 km (0.055 R)
• M20: 4,792,368 km (0.101 R)
• M21: 4,945,257 km (0.045 R)
• M22: 5,413,199 km (0.074 R)
• M23: 5,458,527 km (0.025 R)
• M24: 5,526,744 km (0.101 R)
• M25: 5,595,260 km (0.029 R)
• M26: 6,462,927 km (0.114 R)
• M27: 7,371,585 km (0.081 R)
• M28: 8,007,824 km (0.065 R)
• M29: 8,059,436 km (0.092 R)
• M30: 8,555,801 km (0.103 R)
• M31: 9,632,607 km (0.085 R)
• M32: 9,797,763 km (0.116 R)
• M33: 10,186,717 km (0.119 R)
• M34: 10,609,182 km (0.093 R)
• M35: 10,665,879 km (0.119 R)
• M36: 10,865,293 km (0.07 R)
• M37: 10,979,885 km (0.058 R)
• M38: 12,265,679 km (0.082 R)
• M39: 12,414,828 km (0.083 R)
• M40: 12,805,279 km (0.089 R)
• M41: 13,383,325 km (0.092 R)
• M42: 13,876,549 km (0.095 R)
• M43: 14,063,097 km (0.104 R)
• M44: 15,552,494 km (0.113 R)
• M45: 16,005,775 km (0.088 R)
• M46: 16,430,484 km (0.039 R)
• M47: 16,892,143 km (0.026 R)
• M48: 18,064,691 km (0.092 R)
• M49: 18,098,500 km (0.106 R)
• M50: 18,200,376 km (0.088 R)
• M51: 18,268,294 km (0.09 R)
• M52: 18,814,924 km (0.044 R)
• M53: 18,918,147 km (0.118 R)
• M54: 19,263,119 km (0.069 R)
• M55: 19,819,474 km (0.108 R)
• M56: 20,064,665 km (0.094 R)
• M57: 20,805,922 km (0.096 R)
• M58: 21,090,607 km (0.096 R)
• M59: 21,126,361 km (0.074 R)
• M60: 21,269,227 km (0.082 R)
• M61: 21,916,387 km (0.086 R)
• M62: 22,497,126 km (0.104 R)
• M63: 23,266,957 km (0.081 R)
• M64: 24,269,263 km (0.08 R)
• M65: 24,381,461 km (0.061 R)
• M66: 24,681,704 km (0.054 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 150 - 12,378 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit