🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.44 AU - 0.66 AU

Year: 259 Days

Day: 36.6 Hours

Environment

Temp: -117 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.5 AU - 0.68 AU

Year: 288 Days

Day: 24.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.5

Radius: 14.7

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.82 AU - 0.92 AU

Year: 516 Days

Day: 6.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 23,780,180 km

• M1: 182,958 km (0.114 R)
• M2: 286,630 km (0.12 R)
• M3: 407,953 km (0.108 R)
• M4: 509,680 km (0.107 R)
• M5: 616,493 km (0.06 R)
• M6: 711,188 km (0.096 R)
• M7: 819,497 km (0.058 R)
• M8: 942,616 km (0.096 R)
• M9: 1,116,150 km (0.1 R)
• M10: 1,232,088 km (0.11 R)
• M11: 1,333,815 km (0.12 R)
• M12: 1,438,533 km (0.063 R)
• M13: 1,556,267 km (0.096 R)
• M14: 1,687,614 km (0.117 R)
• M15: 1,786,049 km (0.052 R)
• M16: 1,881,343 km (0.094 R)
• M17: 1,983,817 km (0.08 R)
• M18: 2,099,457 km (0.104 R)
• M19: 2,228,709 km (0.106 R)
• M20: 2,337,616 km (0.113 R)
• M21: 2,436,650 km (0.118 R)
• M22: 2,537,180 km (0.096 R)
• M23: 2,754,845 km (0.111 R)
• M24: 2,909,679 km (0.088 R)
• M25: 3,054,789 km (0.037 R)
• M26: 3,150,681 km (0.076 R)
• M27: 3,273,800 km (0.117 R)
• M28: 3,405,147 km (0.095 R)
• M29: 3,538,289 km (0.101 R)
• M30: 3,639,267 km (0.056 R)
• M31: 3,789,314 km (0.087 R)
• M32: 4,039,292 km (0.068 R)
• M33: 4,137,877 km (0.096 R)
• M34: 4,482,551 km (0.112 R)
• M35: 4,614,197 km (0.086 R)
• M36: 4,717,569 km (0.094 R)
• M37: 4,821,689 km (0.108 R)
• M38: 4,919,077 km (0.072 R)
• M39: 5,115,948 km (0.088 R)
• M40: 5,230,690 km (0.109 R)

Asteroid Belt

Center: 1.42 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.9

Radius: 12.7

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.58 AU - 2.36 AU

Year: 1758 Days

Day: 11.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 23,780,180 km

• M1: 163,211 km (0.094 R)
• M2: 268,079 km (0.099 R)
• M3: 354,248 km (0.113 R)
• M4: 525,837 km (0.098 R)
• M5: 628,012 km (0.11 R)
• M6: 750,981 km (0.045 R)
• M7: 947,852 km (0.102 R)
• M8: 1,097,450 km (0.09 R)
• M9: 1,286,841 km (0.091 R)
• M10: 1,583,344 km (0.075 R)
• M11: 1,716,486 km (0.072 R)
• M12: 1,811,481 km (0.11 R)
• M13: 1,951,055 km (0.04 R)
• M14: 2,352,576 km (0.111 R)
• M15: 2,614,223 km (0.103 R)
• M16: 2,787,158 km (0.112 R)
• M17: 2,949,621 km (0.106 R)
• M18: 3,064,512 km (0.048 R)
• M19: 3,144,398 km (0.089 R)
• M20: 3,313,742 km (0.113 R)
• M21: 3,478,599 km (0.082 R)
• M22: 3,738,900 km (0.084 R)
• M23: 3,832,398 km (0.107 R)
• M24: 3,965,989 km (0.115 R)
• M25: 4,262,492 km (0.077 R)
• M26: 4,352,101 km (0.087 R)
• M27: 4,566,176 km (0.1 R)
• M28: 4,708,144 km (0.057 R)
• M29: 4,800,895 km (0.03 R)
• M30: 4,885,717 km (0.116 R)
• M31: 4,996,569 km (0.111 R)
• M32: 5,082,588 km (0.029 R)
• M33: 5,360,989 km (0.079 R)
• M34: 5,475,432 km (0.074 R)
• M35: 5,581,945 km (0.077 R)
• M36: 5,742,913 km (0.09 R)
• M37: 5,823,995 km (0.087 R)
• M38: 5,978,380 km (0.111 R)
• M39: 6,115,561 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.3

Radius: 12.8

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.01 AU - 2.49 AU

Year: 2146 Days

Day: 14.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 23,780,180 km

• M1: 247,584 km (0.053 R)
• M2: 337,194 km (0.047 R)
• M3: 515,514 km (0.097 R)
• M4: 746,344 km (0.078 R)
• M5: 883,675 km (0.063 R)
• M6: 1,021,454 km (0.113 R)
• M7: 1,232,986 km (0.058 R)
• M8: 1,339,499 km (0.074 R)
• M9: 1,520,962 km (0.111 R)
• M10: 1,657,245 km (0.086 R)
• M11: 1,764,956 km (0.079 R)
• M12: 1,886,280 km (0.089 R)
• M13: 2,255,786 km (0.076 R)
• M14: 2,400,298 km (0.105 R)
• M15: 2,535,534 km (0.087 R)
• M16: 2,826,951 km (0.067 R)
• M17: 3,036,089 km (0.097 R)
• M18: 3,142,602 km (0.069 R)
• M19: 3,609,647 km (0.109 R)
• M20: 3,736,955 km (0.064 R)
• M21: 3,938,014 km (0.067 R)
• M22: 4,172,434 km (0.111 R)
• M23: 4,396,233 km (0.048 R)
• M24: 4,778,306 km (0.103 R)
• M25: 4,887,213 km (0.098 R)
• M26: 5,012,725 km (0.091 R)
• M27: 5,379,689 km (0.102 R)
• M28: 5,590,921 km (0.102 R)
• M29: 5,821,601 km (0.06 R)
• M30: 6,446,322 km (0.096 R)
• M31: 6,567,047 km (0.068 R)
• M32: 6,671,018 km (0.118 R)
• M33: 6,810,593 km (0.106 R)
• M34: 6,933,413 km (0.072 R)
• M35: 7,092,585 km (0.096 R)
• M36: 7,199,248 km (0.104 R)
• M37: 7,851,195 km (0.062 R)
• M38: 8,091,150 km (0.063 R)
• M39: 8,408,896 km (0.066 R)
• M40: 8,635,537 km (0.117 R)
• M41: 9,037,207 km (0.063 R)
• M42: 9,152,996 km (0.112 R)
• M43: 9,759,615 km (0.046 R)
• M44: 10,038,017 km (0.062 R)
• M45: 10,561,759 km (0.118 R)
• M46: 10,908,976 km (0.079 R)
• M47: 11,053,188 km (0.05 R)
• M48: 11,593,985 km (0.098 R)
• M49: 12,292,756 km (0.084 R)
• M50: 12,571,906 km (0.109 R)
• M51: 12,766,383 km (0.066 R)
• M52: 13,027,132 km (0.035 R)
• M53: 13,136,339 km (0.086 R)
• M54: 13,289,826 km (0.114 R)
• M55: 13,976,331 km (0.059 R)
• M56: 14,110,520 km (0.115 R)
• M57: 14,357,805 km (0.096 R)
• M58: 14,583,698 km (0.092 R)
• M59: 14,719,832 km (0.107 R)
• M60: 15,039,224 km (0.065 R)
• M61: 15,268,707 km (0.106 R)
• M62: 15,383,897 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.9

Radius: 12.1

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.21 AU - 2.37 AU

Year: 2203 Days

Day: 14.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 23,780,180 km

• M1: 157,078 km (0.06 R)
• M2: 342,579 km (0.094 R)
• M3: 475,871 km (0.118 R)
• M4: 637,586 km (0.089 R)
• M5: 715,377 km (0.113 R)
• M6: 881,879 km (0.083 R)
• M7: 1,139,786 km (0.1 R)
• M8: 1,228,348 km (0.073 R)
• M9: 1,412,952 km (0.059 R)
• M10: 1,676,992 km (0.08 R)
• M11: 1,799,662 km (0.061 R)
• M12: 1,893,610 km (0.027 R)
• M13: 2,021,666 km (0.092 R)
• M14: 2,130,722 km (0.034 R)
• M15: 2,622,151 km (0.12 R)
• M16: 2,789,701 km (0.04 R)
• M17: 2,899,506 km (0.12 R)
• M18: 3,123,304 km (0.111 R)
• M19: 3,199,150 km (0.079 R)
• M20: 3,352,937 km (0.113 R)
• M21: 3,443,743 km (0.071 R)
• M22: 3,951,179 km (0.109 R)
• M23: 4,088,809 km (0.096 R)
• M24: 4,199,960 km (0.118 R)
• M25: 4,312,159 km (0.046 R)
• M26: 4,698,420 km (0.117 R)
• M27: 4,917,880 km (0.089 R)
• M28: 5,110,712 km (0.089 R)
• M29: 5,550,380 km (0.098 R)
• M30: 5,642,832 km (0.081 R)
• M31: 5,829,380 km (0.099 R)
• M32: 6,002,166 km (0.087 R)
• M33: 6,256,482 km (0.091 R)
• M34: 7,242,033 km (0.084 R)
• M35: 7,343,161 km (0.116 R)
• M36: 7,752,910 km (0.118 R)
• M37: 8,257,802 km (0.097 R)
• M38: 8,452,280 km (0.104 R)
• M39: 8,541,141 km (0.074 R)
• M40: 8,701,809 km (0.107 R)
• M41: 9,062,639 km (0.086 R)
• M42: 9,153,595 km (0.109 R)
• M43: 9,281,501 km (0.09 R)
• M44: 9,465,207 km (0.08 R)
• M45: 9,575,909 km (0.119 R)
• M46: 9,780,260 km (0.117 R)
• M47: 9,948,558 km (0.079 R)
• M48: 10,212,149 km (0.09 R)
• M49: 10,382,840 km (0.04 R)
• M50: 10,688,618 km (0.079 R)
• M51: 11,016,836 km (0.111 R)
• M52: 11,191,866 km (0.067 R)
• M53: 11,328,748 km (0.109 R)
• M54: 11,762,432 km (0.045 R)
• M55: 11,841,868 km (0.109 R)
• M56: 12,101,271 km (0.065 R)
• M57: 12,564,875 km (0.096 R)
• M58: 12,911,343 km (0.09 R)
• M59: 13,137,236 km (0.099 R)
• M60: 13,426,558 km (0.076 R)
• M61: 13,509,585 km (0.119 R)
• M62: 13,885,525 km (0.098 R)
• M63: 14,243,812 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 61.9

Radius: 3.7

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 5.55 AU - 8.33 AU

Year: 11624 Days

Day: 15 Hours

Environment

Temp: -221 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 23,780,180 km

• M1: 188,344 km (0.043 R)
• M2: 280,197 km (0.052 R)
• M3: 504,594 km (0.082 R)
• M4: 697,575 km (0.085 R)
• M5: 752,028 km (0.09 R)
• M6: 796,609 km (0.054 R)
• M7: 1,184,217 km (0.119 R)
• M8: 1,302,698 km (0.048 R)
• M9: 1,342,940 km (0.119 R)
• M10: 1,438,683 km (0.037 R)
• M11: 1,508,395 km (0.052 R)
• M12: 2,089,733 km (0.091 R)
• M13: 2,281,218 km (0.074 R)
• M14: 2,767,112 km (0.103 R)
• M15: 3,084,259 km (0.05 R)
• M16: 3,156,365 km (0.091 R)
• M17: 3,302,074 km (0.092 R)
• M18: 3,638,071 km (0.037 R)
• M19: 3,945,943 km (0.038 R)
• M20: 4,004,585 km (0.073 R)
• M21: 4,222,101 km (0.104 R)
• M22: 5,409,309 km (0.118 R)
• M23: 5,474,534 km (0.118 R)
• M24: 5,649,564 km (0.078 R)
• M25: 5,893,408 km (0.086 R)
• M26: 5,982,868 km (0.067 R)
• M27: 6,185,872 km (0.072 R)
• M28: 6,855,472 km (0.078 R)
• M29: 6,996,692 km (0.085 R)
• M30: 7,044,115 km (0.104 R)
• M31: 7,091,537 km (0.109 R)
• M32: 7,742,438 km (0.03 R)
• M33: 7,766,822 km (0.082 R)
• M34: 8,037,744 km (0.08 R)
• M35: 8,715,722 km (0.109 R)
• M36: 8,741,153 km (0.078 R)
• M37: 9,126,069 km (0.083 R)
• M38: 10,313,576 km (0.066 R)
• M39: 10,367,432 km (0.116 R)
• M40: 10,529,745 km (0.105 R)
• M41: 10,774,637 km (0.066 R)
• M42: 10,994,097 km (0.119 R)
• M43: 11,242,579 km (0.111 R)
• M44: 11,353,581 km (0.109 R)
• M45: 11,548,806 km (0.118 R)
• M46: 11,576,781 km (0.1 R)
• M47: 12,512,516 km (0.042 R)
• M48: 12,829,813 km (0.106 R)
• M49: 14,095,411 km (0.118 R)
• M50: 14,155,250 km (0.103 R)
• M51: 14,455,642 km (0.066 R)
• M52: 16,145,051 km (0.093 R)
• M53: 16,176,317 km (0.114 R)
• M54: 16,458,907 km (0.106 R)
• M55: 16,585,018 km (0.059 R)
• M56: 16,679,714 km (0.073 R)
• M57: 16,838,138 km (0.029 R)
• M58: 16,965,147 km (0.106 R)
• M59: 18,481,620 km (0.066 R)
• M60: 18,875,811 km (0.081 R)
• M61: 19,073,878 km (0.031 R)
• M62: 19,206,272 km (0.067 R)
• M63: 19,438,897 km (0.095 R)
• M64: 19,739,140 km (0.08 R)
• M65: 20,581,376 km (0.067 R)
• M66: 20,683,252 km (0.079 R)
• M67: 21,024,036 km (0.077 R)
• M68: 21,160,768 km (0.057 R)
• M69: 22,335,560 km (0.09 R)
• M70: 22,370,417 km (0.069 R)
• M71: 22,966,116 km (0.082 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: 497 - 18,376 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit