🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.47 AU - 0.63 AU

Year: 156 Days

Day: 45.2 Hours

Environment

Temp: 161 °C

Axial Tilt: 10.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 27,691,509 km

• M1: 116,686 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.63 AU - 0.89 AU

Year: 254 Days

Day: 46.7 Hours

Environment

Temp: 106 °C

Axial Tilt: 25.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.95 AU - 1.23 AU

Year: 436 Days

Day: 24.9 Hours

Environment

Temp: 12 °C

Axial Tilt: 11.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 27,691,509 km

• M1: 85,271 km (0.085 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.33 AU - 1.35 AU

Year: 594 Days

Day: 40.3 Hours

Environment

Temp: -39 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.45 AU - 1.55 AU

Year: 703 Days

Day: 13.9 Hours

Environment

Temp: -44 °C

Axial Tilt: 49.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.8

Radius: 13.7

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 4.22 AU - 4.32 AU

Year: 3378 Days

Day: 12.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 27,691,509 km

• M1: 313,856 km (0.072 R)
• M2: 479,162 km (0.104 R)
• M3: 594,352 km (0.065 R)
• M4: 714,479 km (0.033 R)
• M5: 1,005,447 km (0.111 R)
• M6: 1,202,318 km (0.104 R)
• M7: 1,377,946 km (0.063 R)
• M8: 1,500,167 km (0.099 R)
• M9: 1,608,028 km (0.088 R)
• M10: 1,718,580 km (0.1 R)
• M11: 1,977,085 km (0.061 R)
• M12: 2,086,142 km (0.117 R)
• M13: 2,197,294 km (0.085 R)
• M14: 2,300,217 km (0.099 R)
• M15: 2,415,258 km (0.111 R)
• M16: 2,597,169 km (0.093 R)
• M17: 3,054,639 km (0.102 R)
• M18: 3,181,797 km (0.075 R)
• M19: 3,393,628 km (0.069 R)
• M20: 3,856,633 km (0.111 R)
• M21: 3,944,148 km (0.107 R)
• M22: 4,070,408 km (0.088 R)
• M23: 4,159,569 km (0.083 R)
• M24: 4,300,939 km (0.049 R)
• M25: 4,444,104 km (0.068 R)
• M26: 4,535,957 km (0.06 R)
• M27: 4,668,501 km (0.106 R)
• M28: 4,761,850 km (0.099 R)
• M29: 5,005,246 km (0.109 R)
• M30: 5,142,128 km (0.099 R)
• M31: 5,363,981 km (0.11 R)
• M32: 5,532,428 km (0.091 R)
• M33: 5,716,883 km (0.088 R)
• M34: 5,860,197 km (0.104 R)
• M35: 6,077,413 km (0.111 R)
• M36: 6,730,109 km (0.107 R)
• M37: 6,927,279 km (0.105 R)
• M38: 7,018,833 km (0.073 R)
• M39: 7,405,244 km (0.1 R)
• M40: 7,546,016 km (0.091 R)
• M41: 8,085,915 km (0.111 R)
• M42: 8,425,651 km (0.078 R)
• M43: 8,654,835 km (0.09 R)
• M44: 8,902,719 km (0.115 R)
• M45: 9,085,976 km (0.062 R)
• M46: 9,220,016 km (0.097 R)
• M47: 9,831,422 km (0.067 R)
• M48: 10,020,963 km (0.077 R)
• M49: 10,403,634 km (0.116 R)
• M50: 10,508,802 km (0.1 R)
• M51: 10,684,878 km (0.084 R)
• M52: 10,844,350 km (0.115 R)
• M53: 10,951,013 km (0.056 R)
• M54: 11,201,290 km (0.076 R)
• M55: 11,309,150 km (0.097 R)
• M56: 11,417,309 km (0.116 R)
• M57: 11,525,918 km (0.106 R)
• M58: 12,147,497 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.3

Radius: 14.9

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.32 AU - 5.44 AU

Year: 3510 Days

Day: 9.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 27,691,509 km

• M1: 201,359 km (0.039 R)
• M2: 331,808 km (0.116 R)
• M3: 626,815 km (0.033 R)
• M4: 759,658 km (0.114 R)
• M5: 1,408,314 km (0.12 R)
• M6: 1,617,751 km (0.095 R)
• M7: 1,767,948 km (0.079 R)
• M8: 1,908,869 km (0.032 R)
• M9: 2,068,340 km (0.103 R)
• M10: 2,202,230 km (0.084 R)
• M11: 2,558,124 km (0.101 R)
• M12: 2,686,329 km (0.119 R)
• M13: 3,016,641 km (0.052 R)
• M14: 3,204,087 km (0.084 R)
• M15: 3,395,423 km (0.118 R)
• M16: 3,863,066 km (0.089 R)
• M17: 4,029,718 km (0.089 R)
• M18: 4,332,205 km (0.108 R)
• M19: 4,428,247 km (0.059 R)
• M20: 4,563,932 km (0.088 R)
• M21: 4,959,469 km (0.067 R)
• M22: 5,366,225 km (0.063 R)
• M23: 5,699,529 km (0.093 R)
• M24: 5,911,360 km (0.083 R)
• M25: 6,018,173 km (0.081 R)
• M26: 6,320,959 km (0.096 R)
• M27: 6,452,306 km (0.086 R)
• M28: 6,964,230 km (0.11 R)
• M29: 7,466,280 km (0.073 R)
• M30: 7,605,257 km (0.04 R)
• M31: 7,698,306 km (0.044 R)
• M32: 8,384,961 km (0.076 R)
• M33: 8,481,302 km (0.107 R)
• M34: 8,626,412 km (0.077 R)
• M35: 8,992,926 km (0.091 R)
• M36: 9,314,562 km (0.111 R)
• M37: 9,489,442 km (0.05 R)
• M38: 9,614,954 km (0.088 R)
• M39: 10,251,194 km (0.116 R)
• M40: 10,379,998 km (0.064 R)
• M41: 11,752,409 km (0.101 R)
• M42: 12,158,866 km (0.107 R)
• M43: 12,350,052 km (0.095 R)
• M44: 13,097,294 km (0.036 R)
• M45: 13,377,790 km (0.054 R)
• M46: 13,490,586 km (0.109 R)
• M47: 15,662,897 km (0.078 R)
• M48: 15,841,367 km (0.065 R)
• M49: 16,743,891 km (0.113 R)
• M50: 17,293,514 km (0.107 R)
• M51: 17,447,151 km (0.057 R)
• M52: 17,848,971 km (0.03 R)
• M53: 18,316,314 km (0.077 R)
• M54: 18,598,755 km (0.047 R)
• M55: 18,756,282 km (0.098 R)
• M56: 19,040,967 km (0.105 R)
• M57: 19,231,554 km (0.106 R)
• M58: 19,358,862 km (0.091 R)
• M59: 19,454,605 km (0.051 R)
• M60: 19,678,702 km (0.117 R)
• M61: 19,839,221 km (0.098 R)
• M62: 20,000,188 km (0.108 R)
• M63: 20,096,978 km (0.113 R)
• M64: 20,193,917 km (0.101 R)
• M65: 20,420,708 km (0.062 R)
• M66: 22,065,387 km (0.1 R)
• M67: 22,432,949 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.8

Radius: 13.1

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 5.05 AU - 8.13 AU

Year: 6477 Days

Day: 6.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 27,691,509 km

• M1: 172,636 km (0.079 R)
• M2: 271,670 km (0.091 R)
• M3: 374,892 km (0.107 R)
• M4: 587,920 km (0.089 R)
• M5: 717,023 km (0.104 R)
• M6: 845,078 km (0.033 R)
• M7: 994,527 km (0.098 R)
• M8: 1,264,551 km (0.117 R)
• M9: 1,350,420 km (0.074 R)
• M10: 1,810,433 km (0.054 R)
• M11: 2,075,521 km (0.12 R)
• M12: 2,533,440 km (0.115 R)
• M13: 2,699,344 km (0.112 R)
• M14: 2,926,434 km (0.112 R)
• M15: 3,120,612 km (0.099 R)
• M16: 3,583,318 km (0.061 R)
• M17: 3,707,783 km (0.054 R)
• M18: 3,939,510 km (0.052 R)
• M19: 4,025,080 km (0.111 R)
• M20: 4,154,482 km (0.107 R)
• M21: 4,329,362 km (0.081 R)
• M22: 4,484,346 km (0.106 R)
• M23: 4,663,714 km (0.111 R)
• M24: 5,006,592 km (0.106 R)
• M25: 5,620,542 km (0.04 R)
• M26: 5,985,710 km (0.057 R)
• M27: 6,358,508 km (0.034 R)
• M28: 6,586,046 km (0.118 R)
• M29: 6,790,397 km (0.049 R)
• M30: 7,153,321 km (0.068 R)
• M31: 7,575,786 km (0.104 R)
• M32: 7,790,160 km (0.111 R)
• M33: 8,115,535 km (0.054 R)
• M34: 9,118,140 km (0.12 R)
• M35: 9,289,130 km (0.091 R)
• M36: 9,432,295 km (0.088 R)
• M37: 9,576,358 km (0.109 R)
• M38: 10,100,848 km (0.077 R)
• M39: 10,307,443 km (0.11 R)
• M40: 10,724,671 km (0.091 R)
• M41: 10,935,305 km (0.099 R)
• M42: 11,330,393 km (0.101 R)
• M43: 12,103,216 km (0.036 R)
• M44: 12,385,657 km (0.063 R)
• M45: 12,893,092 km (0.106 R)
• M46: 13,310,471 km (0.114 R)
• M47: 13,699,724 km (0.103 R)
• M48: 14,092,718 km (0.036 R)
• M49: 14,290,636 km (0.089 R)
• M50: 14,423,030 km (0.09 R)
• M51: 14,622,444 km (0.114 R)
• M52: 14,789,395 km (0.116 R)
• M53: 15,260,180 km (0.109 R)
• M54: 15,769,860 km (0.084 R)
• M55: 16,216,260 km (0.086 R)
• M56: 16,389,195 km (0.086 R)
• M57: 17,368,163 km (0.084 R)
• M58: 18,618,502 km (0.054 R)
• M59: 19,602,856 km (0.104 R)
• M60: 20,231,317 km (0.108 R)
• M61: 20,342,917 km (0.092 R)
• M62: 21,318,594 km (0.116 R)
• M63: 21,659,977 km (0.106 R)
• M64: 21,926,710 km (0.098 R)
• M65: 22,463,317 km (0.115 R)
• M66: 22,733,341 km (0.1 R)
• M67: 23,784,865 km (0.079 R)
• M68: 24,020,631 km (0.082 R)
• M69: 24,375,926 km (0.07 R)
• M70: 24,613,637 km (0.114 R)
• M71: 25,051,510 km (0.061 R)
• M72: 25,211,430 km (0.109 R)
• M73: 25,773,768 km (0.113 R)
• M74: 26,096,900 km (0.1 R)
• M75: 26,584,140 km (0.097 R)
• M76: 26,665,671 km (0.066 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 16,026 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit