🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.81 AU - 1.27 AU

Year: 387 Days

Day: 24.7 Hours

Environment

Temp: 35 °C

Axial Tilt: 35.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 72,182,109 km

• M1: 658,829 km (0.075 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.95 AU - 1.41 AU

Year: 468 Days

Day: 16.7 Hours

Environment

Temp: 22 °C

Axial Tilt: 11.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.39 AU - 1.79 AU

Year: 732 Days

Day: 47.7 Hours

Environment

Temp: -50 °C

Axial Tilt: 12.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.2

Radius: 8.4

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.66 AU - 5.44 AU

Year: 4145 Days

Day: 12.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 72,182,109 km

• M1: 123,119 km (0.109 R)
• M2: 333,304 km (0.106 R)
• M3: 722,109 km (0.104 R)
• M4: 911,201 km (0.067 R)
• M5: 1,386,922 km (0.086 R)
• M6: 1,605,634 km (0.112 R)
• M7: 1,880,296 km (0.047 R)
• M8: 2,108,283 km (0.053 R)
• M9: 2,306,500 km (0.073 R)
• M10: 2,858,965 km (0.061 R)
• M11: 3,192,419 km (0.1 R)
• M12: 4,032,111 km (0.095 R)
• M13: 4,227,935 km (0.082 R)
• M14: 4,388,005 km (0.113 R)
• M15: 4,738,363 km (0.1 R)
• M16: 6,747,163 km (0.118 R)
• M17: 8,175,374 km (0.08 R)
• M18: 8,398,724 km (0.117 R)
• M19: 9,471,640 km (0.043 R)
• M20: 10,578,215 km (0.116 R)
• M21: 11,350,140 km (0.105 R)
• M22: 11,613,582 km (0.07 R)
• M23: 12,594,196 km (0.047 R)
• M24: 13,364,775 km (0.11 R)
• M25: 13,543,095 km (0.062 R)
• M26: 13,830,922 km (0.106 R)
• M27: 14,048,736 km (0.117 R)
• M28: 14,824,850 km (0.075 R)
• M29: 16,047,812 km (0.114 R)
• M30: 16,479,552 km (0.115 R)
• M31: 16,677,619 km (0.028 R)
• M32: 18,139,340 km (0.063 R)
• M33: 18,556,269 km (0.099 R)
• M34: 19,619,611 km (0.06 R)
• M35: 21,472,979 km (0.1 R)
• M36: 22,017,964 km (0.092 R)
• M37: 23,081,605 km (0.075 R)
• M38: 23,316,175 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.2

Radius: 13.4

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.15 AU - 7.27 AU

Year: 5652 Days

Day: 10.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 72,182,109 km

• M1: 167,699 km (0.106 R)
• M2: 538,702 km (0.084 R)
• M3: 978,968 km (0.058 R)
• M4: 1,460,674 km (0.076 R)
• M5: 2,145,832 km (0.073 R)
• M6: 2,602,554 km (0.059 R)
• M7: 2,921,048 km (0.116 R)
• M8: 3,951,329 km (0.117 R)
• M9: 4,481,803 km (0.043 R)
• M10: 5,095,902 km (0.117 R)
• M11: 5,802,752 km (0.09 R)
• M12: 6,228,059 km (0.114 R)
• M13: 6,529,349 km (0.108 R)
• M14: 6,866,393 km (0.107 R)
• M15: 8,052,704 km (0.064 R)
• M16: 8,908,104 km (0.055 R)
• M17: 9,435,736 km (0.057 R)
• M18: 10,256,280 km (0.041 R)
• M19: 11,775,746 km (0.108 R)
• M20: 12,229,476 km (0.031 R)
• M21: 12,848,064 km (0.087 R)
• M22: 13,123,473 km (0.066 R)
• M23: 14,420,487 km (0.073 R)
• M24: 16,883,765 km (0.076 R)
• M25: 17,154,537 km (0.07 R)
• M26: 17,887,118 km (0.073 R)
• M27: 19,737,494 km (0.068 R)
• M28: 20,523,182 km (0.081 R)
• M29: 21,273,864 km (0.112 R)
• M30: 21,730,736 km (0.114 R)
• M31: 24,738,102 km (0.107 R)
• M32: 26,119,040 km (0.079 R)
• M33: 26,681,977 km (0.101 R)
• M34: 30,246,745 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.4

Radius: 10.8

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 11.27 AU - 11.73 AU

Year: 14244 Days

Day: 13.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 72,182,109 km

• M1: 141,968 km (0.063 R)
• M2: 442,810 km (0.112 R)
• M3: 1,316,162 km (0.092 R)
• M4: 1,647,222 km (0.083 R)
• M5: 2,359,906 km (0.099 R)
• M6: 3,761,489 km (0.118 R)
• M7: 4,690,940 km (0.103 R)
• M8: 5,764,006 km (0.102 R)
• M9: 6,303,456 km (0.1 R)
• M10: 7,370,986 km (0.099 R)
• M11: 7,673,024 km (0.073 R)
• M12: 7,892,484 km (0.119 R)
• M13: 8,708,541 km (0.08 R)
• M14: 10,927,376 km (0.114 R)
• M15: 12,436,669 km (0.107 R)
• M16: 15,191,963 km (0.085 R)
• M17: 15,626,246 km (0.086 R)
• M18: 16,900,819 km (0.083 R)
• M19: 17,424,711 km (0.081 R)
• M20: 17,956,681 km (0.081 R)
• M21: 22,803,951 km (0.105 R)
• M22: 23,412,516 km (0.104 R)
• M23: 24,418,561 km (0.066 R)
• M24: 24,969,081 km (0.081 R)
• M25: 25,605,920 km (0.111 R)
• M26: 28,655,771 km (0.049 R)
• M27: 28,995,807 km (0.065 R)
• M28: 29,768,331 km (0.109 R)
• M29: 33,599,682 km (0.12 R)
• M30: 36,029,450 km (0.072 R)
• M31: 39,235,782 km (0.092 R)
• M32: 39,733,643 km (0.045 R)
• M33: 42,579,444 km (0.052 R)
• M34: 42,890,158 km (0.091 R)
• M35: 46,275,558 km (0.101 R)
• M36: 46,816,055 km (0.065 R)
• M37: 51,481,564 km (0.112 R)
• M38: 54,364,016 km (0.103 R)
• M39: 59,873,556 km (0.111 R)
• M40: 60,119,046 km (0.118 R)
• M41: 62,853,845 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 611.8

Radius: 3

Gravity: 67.98 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 14.62 AU - 17.2 AU

Year: 23179 Days

Day: 19.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 72,182,109 km

• M1: 173,085 km (0.051 R)
• M2: 433,235 km (0.093 R)
• M3: 691,890 km (0.1 R)
• M4: 1,488,349 km (0.116 R)
• M5: 1,855,612 km (0.103 R)
• M6: 3,499,992 km (0.096 R)
• M7: 4,927,604 km (0.098 R)
• M8: 5,712,245 km (0.109 R)
• M9: 5,841,498 km (0.116 R)
• M10: 6,740,132 km (0.076 R)
• M11: 6,974,851 km (0.06 R)
• M12: 7,358,869 km (0.098 R)
• M13: 8,157,871 km (0.074 R)
• M14: 8,573,005 km (0.117 R)
• M15: 8,891,050 km (0.079 R)
• M16: 11,522,926 km (0.119 R)
• M17: 11,953,319 km (0.109 R)
• M18: 12,391,790 km (0.051 R)
• M19: 13,292,369 km (0.087 R)
• M20: 13,423,567 km (0.116 R)
• M21: 15,824,912 km (0.116 R)
• M22: 16,988,484 km (0.044 R)
• M23: 20,646,152 km (0.06 R)
• M24: 22,822,801 km (0.089 R)
• M25: 23,689,122 km (0.094 R)
• M26: 23,776,637 km (0.105 R)
• M27: 24,393,728 km (0.067 R)
• M28: 24,929,139 km (0.065 R)
• M29: 26,755,430 km (0.098 R)
• M30: 27,222,025 km (0.05 R)
• M31: 28,072,340 km (0.057 R)
• M32: 28,742,688 km (0.101 R)
• M33: 29,032,309 km (0.05 R)
• M34: 29,812,013 km (0.065 R)
• M35: 38,399,978 km (0.059 R)
• M36: 45,614,635 km (0.09 R)
• M37: 45,857,731 km (0.089 R)
• M38: 47,082,938 km (0.069 R)
• M39: 53,188,326 km (0.082 R)
• M40: 61,203,032 km (0.069 R)
• M41: 63,473,479 km (0.1 R)
• M42: 65,931,222 km (0.03 R)
• M43: 67,990,287 km (0.104 R)
• M44: 70,684,096 km (0.077 R)
• M45: 70,986,733 km (0.081 R)
• M46: 75,446,395 km (0.03 R)
• M47: 77,173,652 km (0.036 R)
• M48: 79,881,373 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 345.2

Radius: 3

Gravity: 38.36 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 15.3 AU - 19.08 AU

Year: 26032 Days

Day: 15.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 72,182,109 km

• M1: 43,084 km (0.088 R)
• M2: 115,938 km (0.111 R)
• M3: 476,170 km (0.107 R)
• M4: 926,160 km (0.094 R)
• M5: 1,008,140 km (0.112 R)
• M6: 1,128,716 km (0.055 R)
• M7: 1,704,069 km (0.039 R)
• M8: 1,838,259 km (0.084 R)
• M9: 2,073,576 km (0.103 R)
• M10: 3,010,358 km (0.062 R)
• M11: 3,853,791 km (0.104 R)
• M12: 4,123,815 km (0.041 R)
• M13: 4,403,264 km (0.036 R)
• M14: 4,510,376 km (0.095 R)
• M15: 4,839,491 km (0.088 R)
• M16: 5,453,590 km (0.072 R)
• M17: 5,733,937 km (0.059 R)
• M18: 7,378,765 km (0.119 R)
• M19: 9,387,266 km (0.113 R)
• M20: 11,638,266 km (0.093 R)
• M21: 16,246,478 km (0.112 R)
• M22: 16,521,290 km (0.097 R)
• M23: 17,501,006 km (0.072 R)
• M24: 18,001,411 km (0.098 R)
• M25: 18,949,562 km (0.102 R)
• M26: 20,609,799 km (0.078 R)
• M27: 24,474,511 km (0.084 R)
• M28: 27,324,350 km (0.038 R)
• M29: 33,593,548 km (0.09 R)
• M30: 34,584,784 km (0.106 R)
• M31: 34,885,027 km (0.088 R)
• M32: 40,294,785 km (0.12 R)
• M33: 41,708,186 km (0.081 R)
• M34: 42,479,363 km (0.103 R)
• M35: 44,494,745 km (0.074 R)
• M36: 45,062,918 km (0.085 R)
• M37: 45,405,497 km (0.086 R)
• M38: 49,260,036 km (0.09 R)
• M39: 49,379,265 km (0.104 R)
• M40: 53,893,082 km (0.096 R)
• M41: 57,183,188 km (0.071 R)
• M42: 63,378,185 km (0.087 R)
• M43: 65,835,181 km (0.078 R)
• M44: 66,249,267 km (0.066 R)
• M45: 70,176,212 km (0.09 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 357 - 10,409 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit