🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.1

Radius: 13.2

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.8 AU - 0.88 AU

Year: 541 Days

Day: 12.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 70,909,519 km

• M1: 165,156 km (0.067 R)
• M2: 971,189 km (0.083 R)
• M3: 1,507,647 km (0.089 R)
• M4: 2,166,925 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.1

Radius: 9.5

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.78 AU - 0.96 AU

Year: 570 Days

Day: 11.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,909,519 km

• M1: 118,182 km (0.071 R)
• M2: 463,005 km (0.109 R)
• M3: 820,245 km (0.103 R)
• M4: 1,196,783 km (0.101 R)
• M5: 1,660,088 km (0.097 R)
• M6: 2,087,489 km (0.119 R)
• M7: 2,446,075 km (0.069 R)
• M8: 2,970,864 km (0.088 R)
• M9: 3,777,346 km (0.105 R)
• M10: 4,424,058 km (0.119 R)
• M11: 4,899,929 km (0.046 R)
• M12: 5,425,616 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.2

Radius: 10.8

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.02 AU - 1.58 AU

Year: 1042 Days

Day: 7.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,909,519 km

• M1: 134,638 km (0.093 R)
• M2: 525,986 km (0.079 R)
• M3: 981,512 km (0.11 R)
• M4: 1,423,873 km (0.107 R)
• M5: 2,404,636 km (0.089 R)
• M6: 2,932,567 km (0.104 R)
• M7: 3,282,476 km (0.059 R)
• M8: 4,169,741 km (0.111 R)
• M9: 4,782,195 km (0.095 R)
• M10: 5,495,179 km (0.09 R)
• M11: 6,186,919 km (0.119 R)
• M12: 7,206,877 km (0.114 R)
• M13: 7,876,029 km (0.118 R)
• M14: 9,884,231 km (0.103 R)
• M15: 11,207,573 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.4

Radius: 12.1

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.6 AU - 3.9 AU

Year: 4118 Days

Day: 12.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,909,519 km

• M1: 157,826 km (0.045 R)
• M2: 559,346 km (0.115 R)
• M3: 1,738,477 km (0.044 R)
• M4: 2,161,540 km (0.107 R)
• M5: 2,700,840 km (0.118 R)
• M6: 4,031,363 km (0.102 R)
• M7: 4,644,266 km (0.101 R)
• M8: 5,070,470 km (0.059 R)
• M9: 5,600,795 km (0.03 R)
• M10: 7,013,896 km (0.061 R)
• M11: 7,480,941 km (0.111 R)
• M12: 9,980,721 km (0.115 R)
• M13: 11,021,623 km (0.08 R)
• M14: 12,133,584 km (0.088 R)
• M15: 14,480,176 km (0.08 R)
• M16: 16,893,040 km (0.08 R)
• M17: 20,178,060 km (0.11 R)
• M18: 20,997,557 km (0.115 R)
• M19: 22,235,031 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.4

Radius: 10.5

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.54 AU - 4.4 AU

Year: 5560 Days

Day: 5.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,909,519 km

• M1: 130,749 km (0.1 R)
• M2: 475,272 km (0.091 R)
• M3: 1,215,333 km (0.102 R)
• M4: 1,552,377 km (0.114 R)
• M5: 1,938,190 km (0.119 R)
• M6: 2,926,583 km (0.067 R)
• M7: 3,350,394 km (0.072 R)
• M8: 4,658,328 km (0.064 R)
• M9: 5,531,680 km (0.066 R)
• M10: 7,601,068 km (0.105 R)
• M11: 8,054,349 km (0.096 R)
• M12: 10,186,269 km (0.064 R)
• M13: 10,831,783 km (0.061 R)
• M14: 11,901,109 km (0.046 R)
• M15: 12,774,611 km (0.09 R)
• M16: 13,200,217 km (0.102 R)
• M17: 14,023,604 km (0.113 R)
• M18: 15,471,711 km (0.11 R)
• M19: 16,016,696 km (0.111 R)
• M20: 20,921,262 km (0.033 R)
• M21: 23,198,441 km (0.106 R)
• M22: 23,672,965 km (0.082 R)
• M23: 25,384,963 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.9

Radius: 9.9

Gravity: 8.8 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 5.07 AU - 5.27 AU

Year: 8263 Days

Day: 13.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,909,519 km

• M1: 125,064 km (0.045 R)
• M2: 509,082 km (0.117 R)
• M3: 825,032 km (0.095 R)
• M4: 1,164,470 km (0.089 R)
• M5: 1,477,429 km (0.104 R)
• M6: 2,637,410 km (0.098 R)
• M7: 2,946,180 km (0.112 R)
• M8: 3,762,985 km (0.105 R)
• M9: 4,183,504 km (0.102 R)
• M10: 5,943,374 km (0.081 R)
• M11: 6,589,487 km (0.088 R)
• M12: 8,410,093 km (0.104 R)
• M13: 8,901,821 km (0.044 R)
• M14: 11,653,824 km (0.093 R)
• M15: 12,322,077 km (0.099 R)
• M16: 13,432,243 km (0.112 R)
• M17: 14,863,745 km (0.054 R)
• M18: 16,053,048 km (0.075 R)
• M19: 17,091,557 km (0.109 R)
• M20: 23,052,134 km (0.109 R)
• M21: 24,552,751 km (0.082 R)
• M22: 31,103,940 km (0.117 R)
• M23: 32,606,202 km (0.045 R)
• M24: 35,293,130 km (0.113 R)
• M25: 40,344,601 km (0.086 R)
• M26: 40,849,494 km (0.119 R)
• M27: 42,130,201 km (0.045 R)
• M28: 42,780,353 km (0.104 R)
• M29: 43,173,796 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 613.7

Radius: 7.2

Gravity: 11.84 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 7.02 AU - 8.06 AU

Year: 14553 Days

Day: 20.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,909,519 km

• M1: 90,956 km (0.065 R)
• M2: 327,769 km (0.115 R)
• M3: 1,461,122 km (0.079 R)
• M4: 1,906,475 km (0.118 R)
• M5: 2,695,903 km (0.072 R)
• M6: 3,713,618 km (0.061 R)
• M7: 4,899,929 km (0.074 R)
• M8: 6,241,373 km (0.081 R)
• M9: 7,720,597 km (0.114 R)
• M10: 9,523,849 km (0.117 R)
• M11: 14,486,310 km (0.114 R)
• M12: 14,835,172 km (0.077 R)
• M13: 20,239,545 km (0.093 R)
• M14: 21,207,293 km (0.058 R)
• M15: 22,390,313 km (0.111 R)
• M16: 23,520,974 km (0.027 R)
• M17: 37,646,454 km (0.109 R)
• M18: 45,779,192 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 217.3

Radius: 3.9

Gravity: 14.29 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 6.47 AU - 8.75 AU

Year: 14757 Days

Day: 16.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 70,909,519 km

• M1: 48,470 km (0.055 R)
• M2: 225,145 km (0.077 R)
• M3: 397,332 km (0.097 R)
• M4: 758,611 km (0.05 R)
• M5: 928,704 km (0.092 R)
• M6: 1,102,237 km (0.097 R)
• M7: 1,297,163 km (0.031 R)
• M8: 1,501,364 km (0.107 R)
• M9: 2,209,710 km (0.067 R)
• M10: 3,073,488 km (0.093 R)
• M11: 4,168,096 km (0.095 R)
• M12: 4,847,121 km (0.115 R)
• M13: 6,899,753 km (0.078 R)
• M14: 7,804,371 km (0.072 R)
• M15: 8,136,628 km (0.119 R)
• M16: 9,560,950 km (0.099 R)
• M17: 10,530,942 km (0.109 R)
• M18: 13,891,808 km (0.11 R)
• M19: 16,043,923 km (0.094 R)
• M20: 16,177,065 km (0.108 R)
• M21: 17,761,306 km (0.032 R)
• M22: 19,979,095 km (0.117 R)
• M23: 21,394,739 km (0.098 R)
• M24: 22,457,782 km (0.116 R)
• M25: 23,384,391 km (0.061 R)
• M26: 25,766,288 km (0.118 R)
• M27: 28,208,025 km (0.096 R)
• M28: 30,492,833 km (0.094 R)
• M29: 30,697,184 km (0.091 R)
• M30: 32,047,604 km (0.101 R)
• M31: 32,577,330 km (0.103 R)
• M32: 33,763,342 km (0.098 R)
• M33: 33,982,054 km (0.087 R)
• M34: 38,200,265 km (0.053 R)
• M35: 39,639,696 km (0.101 R)
• M36: 41,115,030 km (0.113 R)
• M37: 42,245,242 km (0.05 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 850.7

Radius: 6.6

Gravity: 19.53 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.96 AU - 10.42 AU

Year: 18007 Days

Day: 18.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 70,909,519 km

• M1: 100,231 km (0.104 R)
• M2: 309,518 km (0.117 R)
• M3: 621,280 km (0.07 R)
• M4: 860,487 km (0.085 R)
• M5: 1,216,081 km (0.051 R)
• M6: 1,754,334 km (0.086 R)
• M7: 2,037,673 km (0.111 R)
• M8: 2,329,538 km (0.06 R)
• M9: 2,697,100 km (0.1 R)
• M10: 2,920,450 km (0.078 R)
• M11: 3,376,274 km (0.086 R)
• M12: 4,262,043 km (0.11 R)
• M13: 4,741,205 km (0.075 R)
• M14: 5,448,354 km (0.052 R)
• M15: 8,092,347 km (0.116 R)
• M16: 11,295,088 km (0.1 R)
• M17: 12,964,451 km (0.079 R)
• M18: 17,801,249 km (0.041 R)
• M19: 19,220,634 km (0.094 R)
• M20: 19,586,849 km (0.099 R)
• M21: 20,618,177 km (0.07 R)
• M22: 24,997,954 km (0.1 R)
• M23: 25,654,688 km (0.06 R)
• M24: 29,111,147 km (0.102 R)
• M25: 29,837,894 km (0.082 R)
• M26: 32,735,904 km (0.09 R)
• M27: 33,919,223 km (0.111 R)
• M28: 36,092,880 km (0.099 R)
• M29: 37,925,903 km (0.12 R)
• M30: 40,266,212 km (0.053 R)
• M31: 45,070,996 km (0.096 R)
• M32: 46,863,777 km (0.112 R)
• M33: 47,527,393 km (0.104 R)
• M34: 52,705,125 km (0.044 R)
• M35: 54,328,860 km (0.057 R)
• M36: 63,151,096 km (0.114 R)
• M37: 63,757,565 km (0.103 R)
• M38: 64,776,925 km (0.103 R)
• M39: 65,187,721 km (0.116 R)
• M40: 66,638,970 km (0.054 R)
• M41: 67,477,915 km (0.105 R)
• M42: 71,778,554 km (0.053 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 611.6

Radius: 5.9

Gravity: 17.57 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 8.16 AU - 9.88 AU

Year: 19042 Days

Day: 19.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,909,519 km

• M1: 73,303 km (0.119 R)
• M2: 358,137 km (0.092 R)
• M3: 623,225 km (0.073 R)
• M4: 837,898 km (0.11 R)
• M5: 1,234,182 km (0.117 R)
• M6: 1,818,961 km (0.085 R)
• M7: 2,482,726 km (0.081 R)
• M8: 5,063,439 km (0.084 R)
• M9: 7,907,295 km (0.045 R)
• M10: 8,874,894 km (0.084 R)
• M11: 9,250,534 km (0.052 R)
• M12: 9,580,846 km (0.106 R)
• M13: 10,265,107 km (0.072 R)
• M14: 10,679,044 km (0.105 R)
• M15: 11,104,052 km (0.072 R)
• M16: 12,117,727 km (0.101 R)
• M17: 12,781,792 km (0.112 R)
• M18: 14,254,882 km (0.1 R)
• M19: 17,367,415 km (0.095 R)
• M20: 24,059,078 km (0.099 R)
• M21: 26,733,738 km (0.086 R)
• M22: 27,629,829 km (0.087 R)
• M23: 43,729,402 km (0.117 R)
• M24: 53,277,636 km (0.04 R)
• M25: 57,974,860 km (0.088 R)
• M26: 64,723,668 km (0.118 R)
• M27: 70,273,899 km (0.089 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 440 - 14,012 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit