🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.66 AU - 1.1 AU

Year: 290 Days

Day: 39.8 Hours

Environment

Temp: 164 °C

Axial Tilt: 11.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 69,682,962 km

• M1: 529,876 km (0.054 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.74 AU - 1.12 AU

Year: 315 Days

Day: 43.7 Hours

Environment

Temp: 96 °C

Axial Tilt: 19.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 69,682,962 km

• M1: 245,789 km (0.088 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.02 AU - 1.5 AU

Year: 497 Days

Day: 35.2 Hours

Environment

Temp: 13 °C

Axial Tilt: 27.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.32 AU - 1.36 AU

Year: 545 Days

Day: 30 Hours

Environment

Temp: 18 °C

Axial Tilt: 4.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.72 AU - 1.96 AU

Year: 877 Days

Day: 30.1 Hours

Environment

Temp: -45 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 69,682,962 km

• M1: 110,553 km (0.112 R)
• M2: 1,101,639 km (0.065 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.97 AU - 5.89 AU

Year: 3847 Days

Day: 28.9 Hours

Environment

Temp: -123 °C

Axial Tilt: 20.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.5

Radius: 12.3

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 6.06 AU - 7.24 AU

Year: 6027 Days

Day: 8 Hours

Environment

Temp: -146 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 69,682,962 km

• M1: 226,192 km (0.056 R)
• M2: 304,731 km (0.041 R)
• M3: 400,174 km (0.11 R)
• M4: 794,813 km (0.076 R)
• M5: 941,569 km (0.067 R)
• M6: 1,050,027 km (0.069 R)
• M7: 1,752,689 km (0.105 R)
• M8: 2,151,666 km (0.101 R)
• M9: 2,383,393 km (0.09 R)
• M10: 2,513,244 km (0.11 R)
• M11: 2,803,015 km (0.087 R)
• M12: 3,010,059 km (0.097 R)
• M13: 3,812,053 km (0.074 R)
• M14: 4,515,911 km (0.114 R)
• M15: 4,623,621 km (0.068 R)
• M16: 4,924,313 km (0.093 R)
• M17: 5,035,315 km (0.082 R)
• M18: 5,175,189 km (0.114 R)
• M19: 5,373,256 km (0.034 R)
• M20: 5,544,995 km (0.09 R)
• M21: 5,864,685 km (0.117 R)
• M22: 5,952,948 km (0.113 R)
• M23: 6,071,280 km (0.083 R)
• M24: 6,674,907 km (0.057 R)
• M25: 6,767,060 km (0.113 R)
• M26: 6,952,860 km (0.034 R)
• M27: 7,297,833 km (0.06 R)
• M28: 7,488,271 km (0.084 R)
• M29: 7,712,668 km (0.114 R)
• M30: 8,699,415 km (0.059 R)
• M31: 9,105,274 km (0.116 R)
• M32: 9,935,543 km (0.118 R)
• M33: 10,862,301 km (0.082 R)
• M34: 11,262,775 km (0.094 R)
• M35: 11,557,034 km (0.059 R)
• M36: 11,853,986 km (0.113 R)
• M37: 13,687,457 km (0.027 R)
• M38: 13,805,041 km (0.119 R)
• M39: 13,962,268 km (0.107 R)
• M40: 14,637,104 km (0.107 R)
• M41: 15,119,857 km (0.095 R)
• M42: 15,281,871 km (0.079 R)
• M43: 15,403,943 km (0.092 R)
• M44: 15,485,324 km (0.058 R)
• M45: 15,936,063 km (0.065 R)
• M46: 16,018,491 km (0.119 R)
• M47: 16,183,797 km (0.117 R)
• M48: 16,266,674 km (0.092 R)
• M49: 17,910,306 km (0.096 R)
• M50: 18,167,764 km (0.094 R)
• M51: 18,253,932 km (0.108 R)
• M52: 19,385,939 km (0.097 R)
• M53: 19,562,166 km (0.086 R)
• M54: 20,272,157 km (0.119 R)
• M55: 20,675,323 km (0.075 R)
• M56: 22,176,089 km (0.105 R)
• M57: 22,360,394 km (0.084 R)
• M58: 23,056,024 km (0.079 R)
• M59: 24,041,724 km (0.095 R)
• M60: 24,231,115 km (0.077 R)
• M61: 24,611,243 km (0.058 R)
• M62: 24,706,687 km (0.059 R)
• M63: 25,666,955 km (0.105 R)
• M64: 25,763,745 km (0.106 R)
• M65: 26,151,653 km (0.114 R)
• M66: 26,590,573 km (0.088 R)
• M67: 27,574,628 km (0.1 R)
• M68: 28,170,625 km (0.056 R)
• M69: 29,325,072 km (0.041 R)
• M70: 29,831,760 km (0.094 R)
• M71: 29,933,487 km (0.109 R)
• M72: 30,137,239 km (0.071 R)
• M73: 30,699,877 km (0.116 R)
• M74: 30,956,886 km (0.102 R)
• M75: 31,472,849 km (0.116 R)
• M76: 31,731,952 km (0.08 R)
• M77: 32,460,943 km (0.098 R)
• M78: 32,722,739 km (0.067 R)
• M79: 33,195,618 km (0.109 R)
• M80: 33,406,551 km (0.098 R)
• M81: 34,042,043 km (0.056 R)
• M82: 34,307,878 km (0.081 R)
• M83: 35,809,841 km (0.063 R)
• M84: 35,972,154 km (0.088 R)
• M85: 36,242,927 km (0.049 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.6

Radius: 9.3

Gravity: 9.41 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 5.65 AU - 9.17 AU

Year: 7089 Days

Day: 13.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 69,682,962 km

• M1: 125,812 km (0.026 R)
• M2: 356,941 km (0.047 R)
• M3: 449,691 km (0.084 R)
• M4: 1,095,356 km (0.098 R)
• M5: 1,166,265 km (0.102 R)
• M6: 1,788,592 km (0.098 R)
• M7: 1,936,993 km (0.074 R)
• M8: 2,089,733 km (0.118 R)
• M9: 2,269,101 km (0.046 R)
• M10: 2,383,842 km (0.05 R)
• M11: 2,619,160 km (0.092 R)
• M12: 3,163,397 km (0.111 R)
• M13: 3,527,817 km (0.049 R)
• M14: 3,661,258 km (0.095 R)
• M15: 3,742,191 km (0.104 R)
• M16: 4,211,928 km (0.073 R)
• M17: 4,410,744 km (0.072 R)
• M18: 5,206,604 km (0.092 R)
• M19: 5,328,227 km (0.106 R)
• M20: 5,512,682 km (0.079 R)
• M21: 5,982,718 km (0.054 R)
• M22: 6,046,297 km (0.112 R)
• M23: 6,303,306 km (0.079 R)
• M24: 6,629,430 km (0.067 R)
• M25: 7,744,682 km (0.117 R)
• M26: 7,883,808 km (0.102 R)
• M27: 8,058,837 km (0.087 R)
• M28: 8,235,213 km (0.078 R)
• M29: 8,484,294 km (0.114 R)
• M30: 8,772,120 km (0.072 R)
• M31: 8,953,582 km (0.119 R)
• M32: 9,099,590 km (0.093 R)
• M33: 12,264,033 km (0.088 R)
• M34: 12,426,347 km (0.091 R)
• M35: 12,671,239 km (0.119 R)
• M36: 13,165,660 km (0.111 R)
• M37: 13,373,601 km (0.102 R)
• M38: 13,457,076 km (0.068 R)
• M39: 13,666,513 km (0.094 R)
• M40: 13,792,624 km (0.096 R)
• M41: 14,600,752 km (0.109 R)
• M42: 15,075,725 km (0.072 R)
• M43: 16,262,785 km (0.066 R)
• M44: 16,485,985 km (0.114 R)
• M45: 16,755,111 km (0.096 R)
• M46: 16,890,198 km (0.066 R)
• M47: 17,252,225 km (0.116 R)
• M48: 17,616,795 km (0.107 R)
• M49: 17,845,979 km (0.107 R)
• M50: 18,029,984 km (0.111 R)
• M51: 18,122,286 km (0.103 R)
• M52: 19,667,183 km (0.088 R)
• M53: 20,479,500 km (0.041 R)
• M54: 21,400,125 km (0.086 R)
• M55: 22,038,010 km (0.112 R)
• M56: 22,235,480 km (0.03 R)
• M57: 22,532,880 km (0.113 R)
• M58: 22,931,409 km (0.119 R)
• M59: 23,031,340 km (0.094 R)
• M60: 23,887,190 km (0.108 R)
• M61: 24,090,044 km (0.106 R)
• M62: 24,702,199 km (0.064 R)
• M63: 27,095,615 km (0.111 R)
• M64: 28,319,775 km (0.039 R)
• M65: 29,344,670 km (0.078 R)
• M66: 29,507,582 km (0.052 R)
• M67: 30,601,591 km (0.08 R)
• M68: 30,932,352 km (0.068 R)
• M69: 31,430,662 km (0.113 R)
• M70: 32,603,958 km (0.028 R)
• M71: 32,828,954 km (0.062 R)
• M72: 33,450,682 km (0.044 R)
• M73: 33,564,077 km (0.089 R)
• M74: 34,419,029 km (0.089 R)
• M75: 34,877,996 km (0.119 R)
• M76: 34,993,036 km (0.106 R)
• M77: 36,850,892 km (0.113 R)
• M78: 37,909,896 km (0.119 R)
• M79: 38,443,212 km (0.065 R)
• M80: 39,457,186 km (0.041 R)
• M81: 40,178,398 km (0.064 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 648.3

Radius: 6.3

Gravity: 16.33 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 13.72 AU - 13.88 AU

Year: 18018 Days

Day: 21.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 69,682,962 km

• M1: 119,080 km (0.099 R)
• M2: 246,388 km (0.116 R)
• M3: 495,618 km (0.114 R)
• M4: 614,398 km (0.085 R)
• M5: 742,753 km (0.104 R)
• M6: 1,258,567 km (0.109 R)
• M7: 1,536,669 km (0.12 R)
• M8: 1,623,885 km (0.082 R)
• M9: 1,742,666 km (0.083 R)
• M10: 4,367,061 km (0.086 R)
• M11: 4,658,926 km (0.054 R)
• M12: 6,072,028 km (0.12 R)
• M13: 6,397,553 km (0.11 R)
• M14: 6,681,191 km (0.112 R)
• M15: 7,457,603 km (0.11 R)
• M16: 7,756,051 km (0.065 R)
• M17: 7,856,431 km (0.078 R)
• M18: 7,957,111 km (0.071 R)
• M19: 9,466,254 km (0.054 R)
• M20: 9,573,665 km (0.071 R)
• M21: 10,612,922 km (0.079 R)
• M22: 10,668,572 km (0.066 R)
• M23: 11,174,213 km (0.052 R)
• M24: 11,572,742 km (0.083 R)
• M25: 11,860,418 km (0.039 R)
• M26: 12,678,120 km (0.106 R)
• M27: 13,938,482 km (0.106 R)
• M28: 14,429,163 km (0.062 R)
• M29: 14,490,947 km (0.069 R)
• M30: 14,614,515 km (0.078 R)
• M31: 15,680,250 km (0.05 R)
• M32: 15,807,259 km (0.096 R)
• M33: 19,568,000 km (0.063 R)
• M34: 20,254,953 km (0.092 R)
• M35: 21,300,343 km (0.112 R)
• M36: 21,794,166 km (0.095 R)
• M37: 22,006,894 km (0.046 R)
• M38: 22,577,610 km (0.101 R)
• M39: 24,466,133 km (0.085 R)
• M40: 24,687,239 km (0.048 R)
• M41: 25,131,545 km (0.029 R)
• M42: 25,503,894 km (0.117 R)
• M43: 26,178,431 km (0.092 R)
• M44: 28,006,068 km (0.096 R)
• M45: 28,314,688 km (0.062 R)
• M46: 28,935,220 km (0.086 R)
• M47: 29,247,281 km (0.1 R)
• M48: 30,664,871 km (0.063 R)
• M49: 32,914,075 km (0.103 R)
• M50: 33,402,961 km (0.096 R)
• M51: 34,140,777 km (0.119 R)
• M52: 35,799,518 km (0.058 R)
• M53: 36,218,243 km (0.101 R)
• M54: 36,891,583 km (0.094 R)
• M55: 37,145,301 km (0.094 R)
• M56: 37,314,646 km (0.088 R)
• M57: 37,484,290 km (0.113 R)
• M58: 38,250,829 km (0.069 R)
• M59: 38,850,567 km (0.035 R)
• M60: 39,194,792 km (0.08 R)
• M61: 39,280,960 km (0.096 R)
• M62: 39,626,382 km (0.103 R)
• M63: 39,799,466 km (0.07 R)
• M64: 40,930,576 km (0.048 R)
• M65: 41,543,927 km (0.091 R)
• M66: 41,631,891 km (0.094 R)
• M67: 41,895,781 km (0.077 R)
• M68: 42,514,069 km (0.093 R)
• M69: 42,602,631 km (0.108 R)
• M70: 43,046,339 km (0.057 R)
• M71: 43,580,852 km (0.068 R)
• M72: 44,117,459 km (0.105 R)
• M73: 44,566,402 km (0.068 R)
• M74: 44,656,460 km (0.03 R)
• M75: 46,925,112 km (0.075 R)
• M76: 51,008,087 km (0.102 R)
• M77: 51,196,430 km (0.103 R)
• M78: 52,996,542 km (0.119 R)
• M79: 54,528,573 km (0.105 R)
• M80: 55,106,769 km (0.091 R)
• M81: 55,396,690 km (0.041 R)
• M82: 55,493,330 km (0.105 R)
• M83: 56,172,205 km (0.098 R)
• M84: 56,951,161 km (0.081 R)
• M85: 57,439,898 km (0.047 R)
• M86: 58,323,123 km (0.12 R)
• M87: 59,013,218 km (0.052 R)
• M88: 64,935,948 km (0.051 R)
• M89: 65,139,999 km (0.069 R)
• M90: 65,651,026 km (0.086 R)
• M91: 66,677,267 km (0.065 R)
• M92: 67,398,628 km (0.109 R)
• M93: 67,915,638 km (0.116 R)
• M94: 68,745,458 km (0.108 R)

Kuiper Belt

Range: 31.2 - 61.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 557 - 16,188 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit