🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.58 AU - 0.68 AU

Year: 176 Days

Day: 41.3 Hours

Environment

Temp: 155 °C

Axial Tilt: 3.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.92 AU - 2.9 AU

Year: 1315 Days

Day: 47 Hours

Environment

Temp: -68 °C

Axial Tilt: 26.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.85 AU - 6.05 AU

Year: 3871 Days

Day: 18.2 Hours

Environment

Temp: -136 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 63,441,627 km

• M1: 155,731 km (0.079 R)
• M2: 619,784 km (0.059 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 118

Radius: 7.2

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 13.61 AU - 15.25 AU

Year: 19265 Days

Day: 17.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 63,441,627 km

• M1: 119,080 km (0.117 R)
• M2: 165,306 km (0.12 R)
• M3: 262,245 km (0.09 R)
• M4: 359,334 km (0.117 R)
• M5: 592,258 km (0.071 R)
• M6: 1,183,618 km (0.081 R)
• M7: 1,654,702 km (0.099 R)
• M8: 1,717,384 km (0.094 R)
• M9: 1,932,356 km (0.115 R)
• M10: 2,483,325 km (0.094 R)
• M11: 2,579,666 km (0.083 R)
• M12: 2,652,819 km (0.119 R)
• M13: 2,701,887 km (0.034 R)
• M14: 3,802,628 km (0.097 R)
• M15: 4,054,701 km (0.097 R)
• M16: 5,025,292 km (0.12 R)
• M17: 5,710,450 km (0.055 R)
• M18: 6,358,657 km (0.07 R)
• M19: 7,583,266 km (0.103 R)
• M20: 7,759,043 km (0.113 R)
• M21: 8,222,348 km (0.076 R)
• M22: 9,138,336 km (0.103 R)
• M23: 9,400,581 km (0.108 R)
• M24: 9,475,978 km (0.037 R)
• M25: 9,665,369 km (0.111 R)
• M26: 9,779,662 km (0.066 R)
• M27: 9,932,551 km (0.086 R)
• M28: 10,163,679 km (0.115 R)
• M29: 10,552,484 km (0.099 R)
• M30: 11,304,961 km (0.112 R)
• M31: 12,569,213 km (0.108 R)
• M32: 12,693,978 km (0.072 R)
• M33: 14,701,132 km (0.081 R)
• M34: 15,317,775 km (0.059 R)
• M35: 16,713,224 km (0.119 R)
• M36: 16,804,778 km (0.038 R)
• M37: 17,403,019 km (0.085 R)
• M38: 17,635,046 km (0.112 R)
• M39: 18,952,853 km (0.119 R)
• M40: 20,693,425 km (0.118 R)
• M41: 22,940,085 km (0.112 R)
• M42: 23,705,877 km (0.109 R)
• M43: 23,860,112 km (0.116 R)
• M44: 24,480,196 km (0.103 R)
• M45: 25,894,643 km (0.101 R)
• M46: 30,016,065 km (0.118 R)
• M47: 30,741,166 km (0.113 R)
• M48: 31,077,910 km (0.078 R)
• M49: 32,379,562 km (0.106 R)
• M50: 36,153,317 km (0.057 R)
• M51: 36,508,612 km (0.11 R)
• M52: 37,282,482 km (0.111 R)
• M53: 38,543,891 km (0.112 R)
• M54: 38,906,816 km (0.115 R)
• M55: 39,453,446 km (0.114 R)
• M56: 41,046,664 km (0.079 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 147.8

Radius: 5

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 15.01 AU - 15.63 AU

Year: 21075 Days

Day: 21 Hours

Environment

Temp: -185 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 63,441,627 km

• M1: 124,166 km (0.08 R)
• M2: 483,052 km (0.099 R)
• M3: 755,768 km (0.101 R)
• M4: 2,481,679 km (0.058 R)
• M5: 2,776,686 km (0.066 R)
• M6: 2,858,965 km (0.073 R)
• M7: 3,666,345 km (0.044 R)
• M8: 4,283,436 km (0.119 R)
• M9: 4,701,711 km (0.112 R)
• M10: 4,998,813 km (0.067 R)
• M11: 5,576,560 km (0.052 R)
• M12: 6,283,111 km (0.11 R)
• M13: 6,500,476 km (0.112 R)
• M14: 6,646,783 km (0.107 R)
• M15: 7,432,621 km (0.116 R)
• M16: 7,585,659 km (0.106 R)
• M17: 9,131,304 km (0.107 R)
• M18: 9,626,025 km (0.086 R)
• M19: 10,213,944 km (0.11 R)
• M20: 10,384,037 km (0.063 R)
• M21: 10,426,822 km (0.104 R)
• M22: 10,727,215 km (0.091 R)
• M23: 11,912,329 km (0.101 R)
• M24: 12,725,244 km (0.096 R)
• M25: 14,930,915 km (0.058 R)
• M26: 15,027,256 km (0.07 R)
• M27: 15,172,366 km (0.082 R)
• M28: 15,806,361 km (0.117 R)
• M29: 16,151,185 km (0.09 R)
• M30: 17,251,327 km (0.101 R)
• M31: 17,912,849 km (0.07 R)
• M32: 18,998,630 km (0.111 R)
• M33: 19,681,545 km (0.111 R)
• M34: 20,105,655 km (0.112 R)
• M35: 20,158,911 km (0.092 R)
• M36: 21,125,164 km (0.072 R)
• M37: 21,613,900 km (0.092 R)
• M38: 22,106,377 km (0.107 R)
• M39: 22,161,429 km (0.079 R)
• M40: 24,000,136 km (0.064 R)
• M41: 25,425,355 km (0.108 R)
• M42: 26,293,471 km (0.1 R)
• M43: 26,410,008 km (0.058 R)
• M44: 27,171,461 km (0.055 R)
• M45: 27,230,253 km (0.112 R)
• M46: 27,702,833 km (0.083 R)
• M47: 28,058,876 km (0.091 R)
• M48: 29,983,752 km (0.114 R)
• M49: 30,044,638 km (0.087 R)
• M50: 31,516,980 km (0.101 R)
• M51: 33,390,245 km (0.073 R)
• M52: 35,042,703 km (0.083 R)
• M53: 36,008,058 km (0.117 R)
• M54: 36,461,639 km (0.104 R)
• M55: 37,570,907 km (0.105 R)
• M56: 39,822,355 km (0.107 R)
• M57: 40,157,155 km (0.034 R)
• M58: 40,492,852 km (0.075 R)
• M59: 41,031,854 km (0.108 R)
• M60: 45,289,409 km (0.12 R)
• M61: 45,989,228 km (0.093 R)
• M62: 46,199,712 km (0.047 R)
• M63: 46,762,948 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 19.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 163.4

Radius: 6.1

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 19.81 AU - 19.97 AU

Year: 31177 Days

Day: 23.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 63,441,627 km

• M1: 701,016 km (0.095 R)
• M2: 805,734 km (0.096 R)
• M3: 1,351,467 km (0.083 R)
• M4: 2,451,012 km (0.095 R)
• M5: 3,395,124 km (0.115 R)
• M6: 3,830,902 km (0.08 R)
• M7: 5,365,178 km (0.074 R)
• M8: 6,261,120 km (0.072 R)
• M9: 6,838,717 km (0.103 R)
• M10: 6,974,402 km (0.096 R)
• M11: 7,526,119 km (0.089 R)
• M12: 8,524,984 km (0.089 R)
• M13: 9,564,989 km (0.119 R)
• M14: 10,749,355 km (0.111 R)
• M15: 13,365,672 km (0.071 R)
• M16: 14,627,081 km (0.077 R)
• M17: 15,390,330 km (0.073 R)
• M18: 15,627,742 km (0.058 R)
• M19: 15,866,350 km (0.119 R)
• M20: 16,347,307 km (0.035 R)
• M21: 18,255,578 km (0.04 R)
• M22: 18,381,090 km (0.089 R)
• M23: 18,444,071 km (0.117 R)
• M24: 18,822,703 km (0.076 R)
• M25: 20,233,262 km (0.077 R)
• M26: 20,885,508 km (0.094 R)
• M27: 23,563,011 km (0.087 R)
• M28: 25,640,776 km (0.115 R)
• M29: 25,922,169 km (0.118 R)
• M30: 26,417,189 km (0.118 R)
• M31: 26,915,350 km (0.106 R)
• M32: 27,344,696 km (0.097 R)
• M33: 28,646,496 km (0.105 R)
• M34: 32,519,136 km (0.119 R)
• M35: 32,900,013 km (0.069 R)
• M36: 33,743,296 km (0.063 R)
• M37: 34,516,118 km (0.076 R)
• M38: 37,266,326 km (0.035 R)
• M39: 38,627,367 km (0.106 R)
• M40: 38,708,000 km (0.074 R)
• M41: 38,869,267 km (0.113 R)
• M42: 40,086,096 km (0.112 R)
• M43: 40,249,307 km (0.061 R)
• M44: 40,330,988 km (0.116 R)
• M45: 42,224,897 km (0.107 R)
• M46: 44,231,752 km (0.09 R)
• M47: 44,822,963 km (0.079 R)
• M48: 45,077,130 km (0.113 R)
• M49: 46,013,163 km (0.103 R)
• M50: 46,526,434 km (0.097 R)
• M51: 46,612,153 km (0.033 R)
• M52: 46,697,873 km (0.091 R)
• M53: 47,904,380 km (0.119 R)
• M54: 47,990,847 km (0.105 R)
• M55: 48,598,364 km (0.049 R)
• M56: 49,645,549 km (0.09 R)
• M57: 53,100,063 km (0.098 R)
• M58: 56,083,045 km (0.045 R)
• M59: 59,584,832 km (0.075 R)
• M60: 62,209,975 km (0.108 R)

Kuiper Belt

Range: 31.2 - 54.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 11,331 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit