🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.9

Radius: 9.7

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.69 AU - 0.91 AU

Year: 503 Days

Day: 10.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,126,909 km

• M1: 120,576 km (0.078 R)
• M2: 542,891 km (0.092 R)
• M3: 1,082,341 km (0.112 R)
• M4: 1,495,081 km (0.096 R)
• M5: 1,913,656 km (0.077 R)
• M6: 2,271,344 km (0.05 R)
• M7: 2,673,613 km (0.066 R)
• M8: 2,989,863 km (0.108 R)
• M9: 3,378,518 km (0.057 R)
• M10: 3,891,938 km (0.066 R)
• M11: 4,286,129 km (0.115 R)
• M12: 4,842,782 km (0.101 R)
• M13: 5,563,545 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.6

Radius: 14.6

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.75 AU - 0.89 AU

Year: 522 Days

Day: 12.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,126,909 km

• M1: 182,809 km (0.099 R)
• M2: 791,074 km (0.111 R)
• M3: 1,558,810 km (0.09 R)
• M4: 2,500,528 km (0.093 R)
• M5: 3,041,923 km (0.111 R)
• M6: 3,795,747 km (0.083 R)
• M7: 5,124,325 km (0.054 R)
• M8: 5,678,137 km (0.049 R)
• M9: 6,485,516 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.4

Radius: 9

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.3 AU - 1.64 AU

Year: 1253 Days

Day: 13.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,126,909 km

• M1: 111,899 km (0.062 R)
• M2: 454,778 km (0.095 R)
• M3: 863,329 km (0.106 R)
• M4: 1,878,201 km (0.12 R)
• M5: 2,244,866 km (0.053 R)
• M6: 2,867,043 km (0.092 R)
• M7: 3,572,098 km (0.117 R)
• M8: 4,986,247 km (0.03 R)
• M9: 5,790,036 km (0.048 R)
• M10: 6,406,529 km (0.093 R)
• M11: 7,000,283 km (0.047 R)
• M12: 7,816,938 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109

Radius: 13.8

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.84 AU - 1.92 AU

Year: 1812 Days

Day: 12.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,126,909 km

• M1: 172,038 km (0.057 R)
• M2: 1,011,880 km (0.081 R)
• M3: 1,504,805 km (0.117 R)
• M4: 2,002,367 km (0.118 R)
• M5: 2,534,786 km (0.058 R)
• M6: 3,340,371 km (0.108 R)
• M7: 3,875,931 km (0.096 R)
• M8: 6,391,120 km (0.081 R)
• M9: 7,199,547 km (0.118 R)
• M10: 8,075,293 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.1

Radius: 8.1

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.33 AU - 3.15 AU

Year: 3188 Days

Day: 14.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,126,909 km

• M1: 100,829 km (0.101 R)
• M2: 359,334 km (0.102 R)
• M3: 728,990 km (0.061 R)
• M4: 1,806,544 km (0.11 R)
• M5: 2,080,458 km (0.1 R)
• M6: 2,609,286 km (0.066 R)
• M7: 2,961,290 km (0.074 R)
• M8: 3,310,152 km (0.106 R)
• M9: 3,742,340 km (0.045 R)
• M10: 4,763,944 km (0.113 R)
• M11: 5,986,308 km (0.108 R)
• M12: 6,656,656 km (0.11 R)
• M13: 7,893,831 km (0.058 R)
• M14: 9,036,609 km (0.078 R)
• M15: 9,665,518 km (0.084 R)
• M16: 9,990,744 km (0.052 R)
• M17: 10,625,039 km (0.059 R)
• M18: 10,893,867 km (0.093 R)
• M19: 12,349,155 km (0.063 R)
• M20: 13,255,568 km (0.103 R)
• M21: 13,612,209 km (0.099 R)
• M22: 14,626,333 km (0.078 R)
• M23: 18,462,771 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.9

Radius: 13.4

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.76 AU - 3.24 AU

Year: 3653 Days

Day: 14.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,126,909 km

• M1: 167,550 km (0.085 R)
• M2: 751,580 km (0.089 R)
• M3: 1,379,442 km (0.119 R)
• M4: 1,851,423 km (0.107 R)
• M5: 2,565,454 km (0.065 R)
• M6: 4,434,679 km (0.114 R)
• M7: 5,036,960 km (0.078 R)
• M8: 6,406,230 km (0.046 R)
• M9: 7,427,534 km (0.091 R)
• M10: 8,044,027 km (0.095 R)
• M11: 8,978,715 km (0.095 R)
• M12: 9,565,886 km (0.063 R)
• M13: 10,736,340 km (0.076 R)
• M14: 11,440,796 km (0.082 R)
• M15: 13,127,064 km (0.099 R)
• M16: 13,692,544 km (0.111 R)
• M17: 15,383,448 km (0.1 R)
• M18: 17,154,089 km (0.1 R)
• M19: 18,291,332 km (0.11 R)
• M20: 19,782,673 km (0.085 R)
• M21: 20,339,027 km (0.061 R)
• M22: 21,547,778 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.3

Radius: 11.1

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.45 AU - 3.57 AU

Year: 3671 Days

Day: 9.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,126,909 km

• M1: 138,079 km (0.109 R)
• M2: 570,267 km (0.096 R)
• M3: 956,529 km (0.086 R)
• M4: 1,311,973 km (0.11 R)
• M5: 1,758,074 km (0.081 R)
• M6: 2,427,076 km (0.09 R)
• M7: 3,034,742 km (0.086 R)
• M8: 4,202,204 km (0.079 R)
• M9: 4,602,827 km (0.106 R)
• M10: 5,003,151 km (0.113 R)
• M11: 8,273,660 km (0.066 R)
• M12: 8,829,865 km (0.107 R)
• M13: 10,017,073 km (0.108 R)
• M14: 10,953,257 km (0.095 R)
• M15: 15,070,340 km (0.059 R)
• M16: 16,241,242 km (0.041 R)
• M17: 17,292,467 km (0.117 R)
• M18: 18,388,421 km (0.105 R)
• M19: 18,953,452 km (0.09 R)
• M20: 21,606,121 km (0.057 R)
• M21: 22,948,912 km (0.079 R)
• M22: 24,496,951 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.2

Radius: 9.2

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.18 AU - 3.2 AU

Year: 4005 Days

Day: 9.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 71 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,126,909 km

• M1: 114,592 km (0.072 R)
• M2: 499,956 km (0.067 R)
• M3: 837,898 km (0.116 R)
• M4: 1,645,577 km (0.1 R)
• M5: 2,183,979 km (0.092 R)
• M6: 2,721,484 km (0.091 R)
• M7: 3,180,600 km (0.053 R)
• M8: 3,476,505 km (0.069 R)
• M9: 5,244,153 km (0.033 R)
• M10: 5,847,631 km (0.084 R)
• M11: 6,208,760 km (0.092 R)
• M12: 6,703,481 km (0.099 R)
• M13: 7,192,815 km (0.035 R)
• M14: 7,871,092 km (0.055 R)
• M15: 8,769,278 km (0.101 R)
• M16: 11,874,032 km (0.11 R)
• M17: 18,500,769 km (0.104 R)
• M18: 18,918,147 km (0.084 R)
• M19: 21,294,659 km (0.084 R)
• M20: 22,554,572 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 777.9

Radius: 5.4

Gravity: 26.68 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 6.19 AU - 9.45 AU

Year: 15372 Days

Day: 22 Hours

Environment

Temp: -223 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 78,126,909 km

• M1: 67,169 km (0.086 R)
• M2: 261,796 km (0.041 R)
• M3: 785,389 km (0.114 R)
• M4: 964,158 km (0.097 R)
• M5: 1,450,950 km (0.063 R)
• M6: 2,127,132 km (0.12 R)
• M7: 2,994,052 km (0.043 R)
• M8: 3,492,512 km (0.064 R)
• M9: 4,106,013 km (0.114 R)
• M10: 4,788,777 km (0.116 R)
• M11: 5,469,149 km (0.048 R)
• M12: 5,735,283 km (0.057 R)
• M13: 6,090,279 km (0.073 R)
• M14: 7,991,817 km (0.076 R)
• M15: 9,262,203 km (0.063 R)
• M16: 12,325,219 km (0.091 R)
• M17: 12,983,001 km (0.057 R)
• M18: 14,511,891 km (0.109 R)
• M19: 14,875,414 km (0.051 R)
• M20: 16,626,307 km (0.09 R)
• M21: 16,864,318 km (0.119 R)
• M22: 20,080,073 km (0.113 R)
• M23: 20,897,476 km (0.079 R)
• M24: 21,174,681 km (0.101 R)
• M25: 22,501,465 km (0.115 R)
• M26: 23,383,045 km (0.103 R)
• M27: 26,812,875 km (0.11 R)
• M28: 27,470,507 km (0.112 R)
• M29: 27,914,963 km (0.047 R)
• M30: 37,024,575 km (0.115 R)
• M31: 38,114,097 km (0.063 R)
• M32: 40,214,451 km (0.114 R)
• M33: 44,491,304 km (0.119 R)
• M34: 45,567,362 km (0.096 R)
• M35: 46,033,808 km (0.116 R)
• M36: 50,375,587 km (0.115 R)
• M37: 56,937,249 km (0.109 R)
• M38: 58,022,731 km (0.106 R)
• M39: 59,862,486 km (0.031 R)
• M40: 62,311,851 km (0.06 R)
• M41: 62,502,888 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 998.5

Radius: 6.3

Gravity: 25.16 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 8.35 AU - 8.53 AU

Year: 17235 Days

Day: 16.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 78,126,909 km

• M1: 141,071 km (0.088 R)
• M2: 428,897 km (0.117 R)
• M3: 721,660 km (0.108 R)
• M4: 1,015,620 km (0.102 R)
• M5: 1,327,382 km (0.096 R)
• M6: 1,631,664 km (0.085 R)
• M7: 2,001,620 km (0.073 R)
• M8: 2,471,656 km (0.058 R)
• M9: 3,173,120 km (0.095 R)
• M10: 4,063,826 km (0.093 R)
• M11: 4,743,748 km (0.067 R)
• M12: 10,431,609 km (0.082 R)
• M13: 13,565,834 km (0.053 R)
• M14: 13,858,448 km (0.115 R)
• M15: 15,385,393 km (0.105 R)
• M16: 16,189,482 km (0.102 R)
• M17: 18,410,860 km (0.092 R)
• M18: 19,687,229 km (0.117 R)
• M19: 22,010,933 km (0.059 R)
• M20: 22,212,441 km (0.107 R)
• M21: 24,081,966 km (0.081 R)
• M22: 25,164,606 km (0.11 R)
• M23: 26,506,349 km (0.064 R)
• M24: 28,368,394 km (0.116 R)
• M25: 31,962,632 km (0.114 R)
• M26: 32,350,988 km (0.118 R)
• M27: 38,852,362 km (0.08 R)
• M28: 44,866,945 km (0.116 R)
• M29: 46,835,503 km (0.059 R)
• M30: 47,840,950 km (0.108 R)
• M31: 49,894,929 km (0.119 R)
• M32: 61,052,237 km (0.114 R)
• M33: 62,050,654 km (0.092 R)
• M34: 74,894,528 km (0.084 R)
• M35: 76,499,265 km (0.093 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 11,586 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit