🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.9 AU - 1.06 AU

Year: 351 Days

Day: 22.8 Hours

Environment

Temp: 99 °C

Axial Tilt: 38.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.25 AU - 1.27 AU

Year: 512 Days

Day: 46.6 Hours

Environment

Temp: 19 °C

Axial Tilt: 36.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 65,983,343 km

• M1: 368,310 km (0.09 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.49 AU - 1.81 AU

Year: 767 Days

Day: 29.6 Hours

Environment

Temp: -36 °C

Axial Tilt: 11.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.73 AU - 2.49 AU

Year: 1108 Days

Day: 35.2 Hours

Environment

Temp: -75 °C

Axial Tilt: 47.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.73 AU - 3.61 AU

Year: 2041 Days

Day: 36.4 Hours

Environment

Temp: -109 °C

Axial Tilt: 20.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.31 AU - 4.81 AU

Year: 2959 Days

Day: 42.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 26.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.4

Radius: 14.5

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 6.77 AU - 7.15 AU

Year: 6641 Days

Day: 14.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 65,983,343 km

• M1: 181,013 km (0.097 R)
• M2: 346,917 km (0.119 R)
• M3: 451,786 km (0.115 R)
• M4: 555,457 km (0.108 R)
• M5: 725,849 km (0.048 R)
• M6: 844,031 km (0.114 R)
• M7: 1,012,927 km (0.039 R)
• M8: 1,136,345 km (0.117 R)
• M9: 1,325,736 km (0.115 R)
• M10: 1,424,471 km (0.049 R)
• M11: 1,603,988 km (0.1 R)
• M12: 1,696,589 km (0.118 R)
• M13: 1,859,950 km (0.066 R)
• M14: 1,957,787 km (0.078 R)
• M15: 2,129,825 km (0.076 R)
• M16: 2,473,750 km (0.09 R)
• M17: 2,582,059 km (0.113 R)
• M18: 2,755,742 km (0.093 R)
• M19: 3,283,075 km (0.079 R)
• M20: 3,806,368 km (0.065 R)
• M21: 3,914,228 km (0.114 R)
• M22: 4,431,239 km (0.082 R)
• M23: 4,659,674 km (0.115 R)
• M24: 5,009,584 km (0.046 R)
• M25: 5,388,515 km (0.114 R)
• M26: 5,489,643 km (0.04 R)
• M27: 6,068,587 km (0.064 R)
• M28: 6,907,532 km (0.119 R)
• M29: 7,084,207 km (0.095 R)
• M30: 7,195,358 km (0.12 R)
• M31: 7,329,548 km (0.062 R)
• M32: 7,509,664 km (0.108 R)
• M33: 7,828,756 km (0.09 R)
• M34: 7,943,647 km (0.097 R)
• M35: 8,480,105 km (0.087 R)
• M36: 8,836,297 km (0.049 R)
• M37: 8,980,061 km (0.097 R)
• M38: 9,588,027 km (0.035 R)
• M39: 10,209,307 km (0.091 R)
• M40: 10,335,118 km (0.097 R)
• M41: 10,792,439 km (0.072 R)
• M42: 11,230,462 km (0.096 R)
• M43: 12,044,274 km (0.104 R)
• M44: 12,417,970 km (0.091 R)
• M45: 12,525,531 km (0.115 R)
• M46: 12,687,395 km (0.065 R)
• M47: 13,534,568 km (0.115 R)
• M48: 13,867,573 km (0.066 R)
• M49: 14,259,370 km (0.033 R)
• M50: 14,428,415 km (0.084 R)
• M51: 14,797,025 km (0.048 R)
• M52: 15,111,330 km (0.097 R)
• M53: 15,456,901 km (0.114 R)
• M54: 15,834,037 km (0.096 R)
• M55: 16,184,844 km (0.084 R)
• M56: 16,627,205 km (0.094 R)
• M57: 17,614,102 km (0.094 R)
• M58: 18,374,508 km (0.115 R)
• M59: 19,083,452 km (0.066 R)
• M60: 20,242,836 km (0.096 R)
• M61: 20,623,712 km (0.089 R)
• M62: 20,815,048 km (0.061 R)
• M63: 21,039,145 km (0.12 R)
• M64: 21,554,211 km (0.117 R)
• M65: 21,748,389 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 110

Radius: 3.6

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 13.4 AU - 15.88 AU

Year: 20258 Days

Day: 21.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 65,983,343 km

• M1: 55,351 km (0.063 R)
• M2: 92,900 km (0.059 R)
• M3: 510,578 km (0.11 R)
• M4: 611,855 km (0.043 R)
• M5: 1,207,554 km (0.115 R)
• M6: 1,402,181 km (0.119 R)
• M7: 1,755,232 km (0.094 R)
• M8: 1,864,139 km (0.059 R)
• M9: 2,369,331 km (0.116 R)
• M10: 2,686,628 km (0.113 R)
• M11: 3,043,120 km (0.057 R)
• M12: 3,095,180 km (0.092 R)
• M13: 3,280,083 km (0.064 R)
• M14: 3,333,489 km (0.119 R)
• M15: 3,495,653 km (0.118 R)
• M16: 4,256,807 km (0.108 R)
• M17: 4,373,793 km (0.086 R)
• M18: 4,974,578 km (0.112 R)
• M19: 5,473,487 km (0.109 R)
• M20: 6,251,545 km (0.117 R)
• M21: 6,317,817 km (0.073 R)
• M22: 6,518,428 km (0.12 R)
• M23: 6,552,088 km (0.108 R)
• M24: 7,836,385 km (0.088 R)
• M25: 7,872,139 km (0.097 R)
• M26: 9,044,986 km (0.104 R)
• M27: 9,384,723 km (0.076 R)
• M28: 9,690,052 km (0.113 R)
• M29: 9,921,181 km (0.044 R)
• M30: 10,704,775 km (0.072 R)
• M31: 11,104,052 km (0.089 R)
• M32: 11,144,293 km (0.116 R)
• M33: 11,671,177 km (0.108 R)
• M34: 12,539,294 km (0.063 R)
• M35: 12,749,030 km (0.106 R)
• M36: 12,917,627 km (0.083 R)
• M37: 13,342,484 km (0.095 R)
• M38: 15,310,145 km (0.089 R)
• M39: 15,804,716 km (0.119 R)
• M40: 17,040,693 km (0.08 R)
• M41: 18,593,071 km (0.075 R)
• M42: 19,458,793 km (0.075 R)
• M43: 19,507,263 km (0.077 R)
• M44: 19,555,733 km (0.098 R)
• M45: 20,140,960 km (0.101 R)
• M46: 21,579,044 km (0.052 R)
• M47: 21,629,309 km (0.102 R)
• M48: 21,880,783 km (0.12 R)
• M49: 22,285,146 km (0.076 R)
• M50: 22,488,150 km (0.09 R)
• M51: 22,794,078 km (0.075 R)
• M52: 23,667,879 km (0.081 R)
• M53: 23,719,640 km (0.116 R)
• M54: 24,395,822 km (0.034 R)
• M55: 24,552,751 km (0.069 R)
• M56: 24,920,312 km (0.09 R)
• M57: 24,972,971 km (0.118 R)
• M58: 25,025,629 km (0.078 R)
• M59: 25,131,096 km (0.109 R)
• M60: 26,193,989 km (0.054 R)
• M61: 26,515,624 km (0.1 R)
• M62: 26,892,611 km (0.067 R)
• M63: 27,000,770 km (0.066 R)
• M64: 27,434,305 km (0.105 R)
• M65: 27,543,062 km (0.044 R)
• M66: 28,528,314 km (0.11 R)
• M67: 28,748,821 km (0.063 R)
• M68: 28,859,374 km (0.066 R)
• M69: 30,702,420 km (0.087 R)
• M70: 31,041,558 km (0.104 R)
• M71: 32,295,787 km (0.091 R)
• M72: 32,468,123 km (0.104 R)
• M73: 32,929,035 km (0.097 R)
• M74: 33,218,357 km (0.104 R)
• M75: 33,915,932 km (0.113 R)
• M76: 34,912,403 km (0.054 R)
• M77: 35,089,228 km (0.095 R)
• M78: 38,201,312 km (0.104 R)
• M79: 39,176,541 km (0.043 R)
• M80: 39,360,397 km (0.115 R)
• M81: 39,544,402 km (0.1 R)
• M82: 39,605,887 km (0.113 R)
• M83: 40,036,579 km (0.038 R)
• M84: 40,159,997 km (0.05 R)
• M85: 40,283,415 km (0.101 R)
• M86: 40,345,349 km (0.096 R)
• M87: 40,530,850 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 169.5

Radius: 7.4

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 16.48 AU - 23.62 AU

Year: 32468 Days

Day: 20.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 65,983,343 km

• M1: 122,670 km (0.102 R)
• M2: 238,010 km (0.08 R)
• M3: 451,636 km (0.07 R)
• M4: 742,155 km (0.106 R)
• M5: 806,781 km (0.115 R)
• M6: 965,205 km (0.114 R)
• M7: 1,109,268 km (0.086 R)
• M8: 1,338,602 km (0.026 R)
• M9: 2,302,012 km (0.08 R)
• M10: 2,695,305 km (0.108 R)
• M11: 2,934,362 km (0.116 R)
• M12: 3,074,236 km (0.04 R)
• M13: 3,288,012 km (0.112 R)
• M14: 3,655,125 km (0.115 R)
• M15: 5,722,268 km (0.075 R)
• M16: 6,891,226 km (0.055 R)
• M17: 7,360,066 km (0.03 R)
• M18: 8,279,045 km (0.086 R)
• M19: 9,233,779 km (0.106 R)
• M20: 9,490,788 km (0.084 R)
• M21: 9,594,310 km (0.106 R)
• M22: 10,064,496 km (0.094 R)
• M23: 10,329,135 km (0.088 R)
• M24: 10,864,994 km (0.095 R)
• M25: 11,519,934 km (0.108 R)
• M26: 11,852,340 km (0.082 R)
• M27: 12,243,987 km (0.116 R)
• M28: 15,283,816 km (0.092 R)
• M29: 16,823,926 km (0.098 R)
• M30: 20,917,971 km (0.076 R)
• M31: 21,867,618 km (0.081 R)
• M32: 22,554,572 km (0.106 R)
• M33: 22,900,592 km (0.073 R)
• M34: 23,109,131 km (0.045 R)
• M35: 23,388,131 km (0.061 R)
• M36: 24,019,883 km (0.109 R)
• M37: 27,852,880 km (0.068 R)
• M38: 27,926,931 km (0.065 R)
• M39: 28,597,129 km (0.036 R)
• M40: 29,197,166 km (0.06 R)
• M41: 29,574,302 km (0.116 R)
• M42: 29,649,999 km (0.098 R)
• M43: 29,953,084 km (0.098 R)
• M44: 31,407,175 km (0.086 R)
• M45: 33,907,554 km (0.103 R)
• M46: 34,781,655 km (0.048 R)
• M47: 35,663,235 km (0.05 R)
• M48: 35,824,352 km (0.073 R)
• M49: 36,147,184 km (0.065 R)
• M50: 37,040,134 km (0.1 R)
• M51: 37,366,556 km (0.054 R)
• M52: 37,530,216 km (0.1 R)
• M53: 43,748,551 km (0.112 R)
• M54: 44,699,694 km (0.081 R)
• M55: 48,840,114 km (0.082 R)
• M56: 49,736,804 km (0.096 R)
• M57: 49,826,712 km (0.073 R)
• M58: 52,550,740 km (0.079 R)
• M59: 55,509,188 km (0.07 R)
• M60: 58,236,656 km (0.049 R)
• M61: 59,187,350 km (0.116 R)
• M62: 59,473,531 km (0.114 R)
• M63: 60,911,167 km (0.11 R)
• M64: 62,846,065 km (0.073 R)
• M65: 65,785,813 km (0.089 R)

Kuiper Belt

Range: 30.3 - 46.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 17,286 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit