🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.99 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.4

Radius: 14.4

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.65 AU - 2.29 AU

Year: 1875 Days

Day: 11.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,683,725 km

• M1: 179,069 km (0.045 R)
• M2: 652,097 km (0.102 R)
• M3: 1,243,158 km (0.069 R)
• M4: 2,279,273 km (0.113 R)
• M5: 3,101,912 km (0.117 R)
• M6: 4,350,605 km (0.091 R)
• M7: 5,225,154 km (0.115 R)
• M8: 5,863,040 km (0.113 R)
• M9: 6,659,349 km (0.078 R)
• M10: 8,659,024 km (0.1 R)
• M11: 9,902,332 km (0.039 R)
• M12: 10,622,197 km (0.086 R)
• M13: 12,288,717 km (0.086 R)
• M14: 15,177,003 km (0.102 R)
• M15: 16,779,196 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.6

Radius: 13.3

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.2 AU - 3.36 AU

Year: 4029 Days

Day: 9 Hours

Environment

Temp: -208 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,683,725 km

• M1: 165,605 km (0.109 R)
• M2: 607,816 km (0.092 R)
• M3: 1,153,998 km (0.094 R)
• M4: 2,066,844 km (0.116 R)
• M5: 2,589,240 km (0.061 R)
• M6: 3,253,006 km (0.035 R)
• M7: 3,704,193 km (0.111 R)
• M8: 5,266,593 km (0.036 R)
• M9: 7,107,844 km (0.103 R)
• M10: 7,548,260 km (0.066 R)
• M11: 8,107,457 km (0.102 R)
• M12: 9,722,515 km (0.1 R)
• M13: 10,385,533 km (0.082 R)
• M14: 12,242,043 km (0.105 R)
• M15: 12,969,238 km (0.103 R)
• M16: 13,676,836 km (0.026 R)
• M17: 14,261,464 km (0.083 R)
• M18: 15,532,897 km (0.107 R)
• M19: 16,277,296 km (0.093 R)
• M20: 17,268,980 km (0.11 R)
• M21: 18,067,982 km (0.116 R)
• M22: 18,951,208 km (0.095 R)
• M23: 21,774,120 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.6

Radius: 11.6

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.22 AU - 4.26 AU

Year: 4906 Days

Day: 12.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,683,725 km

• M1: 144,212 km (0.096 R)
• M2: 556,953 km (0.037 R)
• M3: 1,113,008 km (0.107 R)
• M4: 1,895,704 km (0.114 R)
• M5: 2,303,059 km (0.062 R)
• M6: 3,174,916 km (0.069 R)
• M7: 4,405,059 km (0.032 R)
• M8: 5,837,010 km (0.112 R)
• M9: 6,247,207 km (0.039 R)
• M10: 7,558,432 km (0.113 R)
• M11: 12,331,053 km (0.098 R)
• M12: 13,384,073 km (0.058 R)
• M13: 15,133,470 km (0.064 R)
• M14: 16,402,060 km (0.084 R)
• M15: 17,030,521 km (0.093 R)
• M16: 17,479,913 km (0.038 R)
• M17: 21,888,712 km (0.067 R)
• M18: 26,556,764 km (0.118 R)
• M19: 27,074,671 km (0.09 R)
• M20: 29,581,034 km (0.098 R)
• M21: 30,137,688 km (0.107 R)
• M22: 30,512,580 km (0.073 R)
• M23: 31,463,424 km (0.081 R)
• M24: 31,946,326 km (0.078 R)
• M25: 33,524,584 km (0.047 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 269.9

Radius: 7.4

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 5.02 AU - 6.66 AU

Year: 9572 Days

Day: 20.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,683,725 km

• M1: 93,798 km (0.117 R)
• M2: 444,605 km (0.115 R)
• M3: 1,048,382 km (0.059 R)
• M4: 1,326,484 km (0.12 R)
• M5: 1,680,134 km (0.09 R)
• M6: 4,528,028 km (0.092 R)
• M7: 4,768,582 km (0.116 R)
• M8: 5,571,922 km (0.101 R)
• M9: 6,630,776 km (0.111 R)
• M10: 8,931,591 km (0.111 R)
• M11: 10,057,016 km (0.073 R)
• M12: 12,121,018 km (0.12 R)
• M13: 13,442,715 km (0.116 R)
• M14: 13,829,426 km (0.07 R)
• M15: 18,047,936 km (0.116 R)
• M16: 19,766,666 km (0.109 R)
• M17: 24,250,264 km (0.12 R)
• M18: 28,363,906 km (0.068 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 619.7

Radius: 7.1

Gravity: 12.29 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.78 AU - 7.12 AU

Year: 9844 Days

Day: 17 Hours

Environment

Temp: -231 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 67,683,725 km

• M1: 88,263 km (0.053 R)
• M2: 387,758 km (0.112 R)
• M3: 1,137,093 km (0.04 R)
• M4: 1,465,610 km (0.119 R)
• M5: 1,748,799 km (0.099 R)
• M6: 2,762,773 km (0.047 R)
• M7: 3,578,381 km (0.086 R)
• M8: 4,260,547 km (0.118 R)
• M9: 4,603,426 km (0.119 R)
• M10: 5,811,578 km (0.101 R)
• M11: 6,161,936 km (0.052 R)
• M12: 7,831,449 km (0.066 R)
• M13: 8,434,478 km (0.113 R)
• M14: 10,738,584 km (0.071 R)
• M15: 13,191,989 km (0.094 R)
• M16: 14,044,996 km (0.081 R)
• M17: 17,754,126 km (0.097 R)
• M18: 18,492,092 km (0.075 R)
• M19: 22,834,769 km (0.11 R)
• M20: 25,611,604 km (0.097 R)
• M21: 27,811,890 km (0.113 R)
• M22: 30,761,661 km (0.057 R)
• M23: 31,397,003 km (0.106 R)
• M24: 31,933,161 km (0.116 R)
• M25: 32,257,789 km (0.102 R)
• M26: 33,133,984 km (0.065 R)
• M27: 33,689,740 km (0.115 R)
• M28: 36,561,720 km (0.079 R)
• M29: 37,274,553 km (0.101 R)
• M30: 37,754,912 km (0.047 R)
• M31: 41,489,922 km (0.095 R)
• M32: 44,920,052 km (0.102 R)
• M33: 45,327,556 km (0.036 R)
• M34: 45,600,722 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 703.9

Radius: 6.6

Gravity: 16.16 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 7.36 AU - 8.34 AU

Year: 14917 Days

Day: 16.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 67,683,725 km

• M1: 84,822 km (0.095 R)
• M2: 1,229,395 km (0.107 R)
• M3: 2,015,981 km (0.045 R)
• M4: 2,560,816 km (0.105 R)
• M5: 2,786,111 km (0.046 R)
• M6: 3,461,396 km (0.109 R)
• M7: 4,148,798 km (0.036 R)
• M8: 4,396,981 km (0.094 R)
• M9: 4,721,309 km (0.093 R)
• M10: 4,957,823 km (0.116 R)
• M11: 5,714,938 km (0.045 R)
• M12: 6,180,935 km (0.115 R)
• M13: 6,713,952 km (0.081 R)
• M14: 7,056,831 km (0.095 R)
• M15: 7,685,142 km (0.066 R)
• M16: 8,696,573 km (0.096 R)
• M17: 9,739,569 km (0.11 R)
• M18: 12,579,236 km (0.093 R)
• M19: 15,040,271 km (0.103 R)
• M20: 16,002,634 km (0.1 R)
• M21: 16,230,322 km (0.119 R)
• M22: 18,628,974 km (0.078 R)
• M23: 21,071,758 km (0.081 R)
• M24: 23,231,801 km (0.112 R)
• M25: 25,431,937 km (0.093 R)
• M26: 30,473,685 km (0.102 R)
• M27: 30,706,908 km (0.069 R)
• M28: 31,058,912 km (0.115 R)
• M29: 33,723,100 km (0.085 R)
• M30: 35,366,881 km (0.062 R)
• M31: 37,999,056 km (0.037 R)
• M32: 42,622,827 km (0.082 R)
• M33: 44,393,019 km (0.052 R)
• M34: 46,058,342 km (0.066 R)
• M35: 48,079,559 km (0.082 R)
• M36: 48,872,428 km (0.074 R)
• M37: 49,352,338 km (0.064 R)
• M38: 53,136,565 km (0.072 R)
• M39: 56,580,607 km (0.053 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 936.8

Radius: 4.5

Gravity: 46.26 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 6.39 AU - 10.15 AU

Year: 16131 Days

Day: 16.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 67,683,725 km

• M1: 55,950 km (0.11 R)
• M2: 278,850 km (0.046 R)
• M3: 649,704 km (0.116 R)
• M4: 899,981 km (0.105 R)
• M5: 1,079,498 km (0.112 R)
• M6: 1,386,174 km (0.11 R)
• M7: 2,030,342 km (0.082 R)
• M8: 2,385,338 km (0.059 R)
• M9: 2,683,786 km (0.109 R)
• M10: 4,036,749 km (0.114 R)
• M11: 4,228,833 km (0.064 R)
• M12: 4,393,540 km (0.102 R)
• M13: 4,913,542 km (0.071 R)
• M14: 5,512,233 km (0.119 R)
• M15: 7,992,117 km (0.063 R)
• M16: 8,193,475 km (0.081 R)
• M17: 8,398,125 km (0.114 R)
• M18: 9,087,023 km (0.077 R)
• M19: 9,585,633 km (0.11 R)
• M20: 10,516,581 km (0.085 R)
• M21: 10,880,702 km (0.117 R)
• M22: 11,065,904 km (0.099 R)
• M23: 12,422,009 km (0.106 R)
• M24: 13,035,510 km (0.1 R)
• M25: 13,669,206 km (0.098 R)
• M26: 16,817,194 km (0.081 R)
• M27: 17,737,371 km (0.118 R)
• M28: 19,224,673 km (0.039 R)
• M29: 20,983,046 km (0.118 R)
• M30: 23,765,567 km (0.111 R)
• M31: 29,807,376 km (0.036 R)
• M32: 32,028,605 km (0.08 R)
• M33: 39,495,035 km (0.091 R)
• M34: 40,521,276 km (0.066 R)
• M35: 45,599,525 km (0.056 R)
• M36: 46,728,540 km (0.071 R)
• M37: 48,540,470 km (0.06 R)
• M38: 68,458,080 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 99.9

Radius: 6.9

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 8.85 AU - 10.19 AU

Year: 19923 Days

Day: 22.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,683,725 km

• M1: 85,869 km (0.098 R)
• M2: 449,691 km (0.114 R)
• M3: 762,500 km (0.114 R)
• M4: 2,008,351 km (0.08 R)
• M5: 2,307,846 km (0.07 R)
• M6: 2,733,901 km (0.117 R)
• M7: 3,299,531 km (0.104 R)
• M8: 3,915,425 km (0.097 R)
• M9: 4,439,317 km (0.089 R)
• M10: 7,313,541 km (0.1 R)
• M11: 9,267,738 km (0.06 R)
• M12: 10,732,450 km (0.081 R)
• M13: 14,053,523 km (0.095 R)
• M14: 14,413,156 km (0.078 R)
• M15: 16,304,223 km (0.115 R)
• M16: 18,784,855 km (0.041 R)
• M17: 29,534,210 km (0.103 R)
• M18: 32,045,509 km (0.085 R)
• M19: 35,795,629 km (0.114 R)
• M20: 36,692,019 km (0.074 R)
• M21: 37,032,055 km (0.082 R)
• M22: 37,259,743 km (0.112 R)
• M23: 38,180,518 km (0.036 R)
• M24: 39,589,880 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 434.7

Radius: 7.3

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 8.58 AU - 11.18 AU

Year: 21063 Days

Day: 21.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 67,683,725 km

• M1: 90,806 km (0.07 R)
• M2: 342,430 km (0.099 R)
• M3: 800,797 km (0.034 R)
• M4: 1,172,548 km (0.058 R)
• M5: 1,655,450 km (0.099 R)
• M6: 2,842,360 km (0.1 R)
• M7: 3,655,274 km (0.093 R)
• M8: 4,162,262 km (0.058 R)
• M9: 4,749,284 km (0.081 R)
• M10: 5,243,106 km (0.104 R)
• M11: 6,291,338 km (0.072 R)
• M12: 6,756,139 km (0.078 R)
• M13: 7,707,133 km (0.116 R)
• M14: 8,190,035 km (0.1 R)
• M15: 9,057,104 km (0.073 R)
• M16: 11,092,981 km (0.113 R)
• M17: 11,583,662 km (0.108 R)
• M18: 11,961,247 km (0.117 R)
• M19: 12,542,734 km (0.094 R)
• M20: 13,484,752 km (0.096 R)
• M21: 13,762,256 km (0.118 R)
• M22: 17,809,926 km (0.09 R)
• M23: 20,511,364 km (0.118 R)
• M24: 27,259,574 km (0.057 R)
• M25: 28,950,180 km (0.101 R)
• M26: 29,879,781 km (0.102 R)
• M27: 34,698,329 km (0.092 R)
• M28: 36,012,396 km (0.091 R)
• M29: 40,440,194 km (0.084 R)
• M30: 43,384,280 km (0.074 R)
• M31: 46,784,490 km (0.066 R)
• M32: 47,902,585 km (0.062 R)
• M33: 48,874,971 km (0.064 R)
• M34: 50,691,687 km (0.048 R)
• M35: 61,020,971 km (0.037 R)
• M36: 66,274,250 km (0.085 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: 430 - 12,018 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit