🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.39 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.5

Radius: 12.6

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.21 AU - 3.33 AU

Year: 3182 Days

Day: 7.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 93,217,035 km

• M1: 157,227 km (0.116 R)
• M2: 554,111 km (0.04 R)
• M3: 1,110,016 km (0.101 R)
• M4: 1,508,695 km (0.08 R)
• M5: 2,294,083 km (0.104 R)
• M6: 5,163,371 km (0.069 R)
• M7: 6,279,371 km (0.078 R)
• M8: 6,972,458 km (0.032 R)
• M9: 7,451,620 km (0.098 R)
• M10: 8,948,197 km (0.087 R)
• M11: 9,592,066 km (0.085 R)
• M12: 10,512,392 km (0.111 R)
• M13: 12,343,620 km (0.051 R)
• M14: 14,999,431 km (0.119 R)
• M15: 16,128,296 km (0.052 R)
• M16: 18,015,623 km (0.104 R)
• M17: 18,859,205 km (0.101 R)
• M18: 19,792,097 km (0.05 R)
• M19: 21,884,822 km (0.099 R)
• M20: 22,430,256 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.2

Radius: 14.4

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.56 AU - 6.5 AU

Year: 8976 Days

Day: 9.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 93,217,035 km

• M1: 194,477 km (0.11 R)
• M2: 657,333 km (0.106 R)
• M3: 2,421,092 km (0.112 R)
• M4: 2,971,762 km (0.118 R)
• M5: 3,428,334 km (0.043 R)
• M6: 4,538,201 km (0.111 R)
• M7: 5,177,283 km (0.049 R)
• M8: 5,939,484 km (0.092 R)
• M9: 8,975,872 km (0.04 R)
• M10: 9,494,079 km (0.107 R)
• M11: 10,496,086 km (0.119 R)
• M12: 13,144,866 km (0.077 R)
• M13: 16,787,723 km (0.066 R)
• M14: 17,777,313 km (0.069 R)
• M15: 18,252,287 km (0.063 R)
• M16: 19,086,295 km (0.091 R)
• M17: 24,384,004 km (0.042 R)
• M18: 26,611,666 km (0.078 R)
• M19: 31,370,225 km (0.113 R)
• M20: 34,840,446 km (0.096 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 630.3

Radius: 4.6

Gravity: 29.79 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.54 AU - 7.08 AU

Year: 9667 Days

Day: 16.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 93,217,035 km

• M1: 57,146 km (0.119 R)
• M2: 201,808 km (0.102 R)
• M3: 603,927 km (0.093 R)
• M4: 794,365 km (0.113 R)
• M5: 1,133,353 km (0.099 R)
• M6: 1,439,730 km (0.047 R)
• M7: 1,634,357 km (0.059 R)
• M8: 2,111,125 km (0.083 R)
• M9: 2,820,369 km (0.05 R)
• M10: 3,454,065 km (0.037 R)
• M11: 3,961,501 km (0.037 R)
• M12: 4,288,971 km (0.093 R)
• M13: 4,546,279 km (0.09 R)
• M14: 6,457,990 km (0.117 R)
• M15: 6,606,840 km (0.118 R)
• M16: 7,797,490 km (0.102 R)
• M17: 10,087,983 km (0.1 R)
• M18: 10,906,433 km (0.056 R)
• M19: 11,331,889 km (0.086 R)
• M20: 11,658,162 km (0.047 R)
• M21: 11,990,569 km (0.071 R)
• M22: 15,076,773 km (0.089 R)
• M23: 20,357,577 km (0.096 R)
• M24: 20,839,582 km (0.099 R)
• M25: 21,002,045 km (0.07 R)
• M26: 23,277,279 km (0.119 R)
• M27: 25,525,885 km (0.096 R)
• M28: 27,523,166 km (0.106 R)
• M29: 27,914,963 km (0.086 R)
• M30: 30,033,717 km (0.075 R)
• M31: 34,815,763 km (0.112 R)
• M32: 35,159,240 km (0.112 R)
• M33: 36,437,703 km (0.047 R)
• M34: 37,267,074 km (0.116 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 707.2

Radius: 4.2

Gravity: 40.09 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 5.82 AU - 7.22 AU

Year: 11492 Days

Day: 22.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 93,217,035 km

• M1: 52,210 km (0.109 R)
• M2: 224,397 km (0.079 R)
• M3: 393,891 km (0.118 R)
• M4: 1,824,944 km (0.11 R)
• M5: 3,129,887 km (0.118 R)
• M6: 3,275,146 km (0.065 R)
• M7: 4,731,332 km (0.106 R)
• M8: 9,527,739 km (0.047 R)
• M9: 10,146,625 km (0.104 R)
• M10: 10,573,877 km (0.084 R)
• M11: 15,808,605 km (0.117 R)
• M12: 17,800,501 km (0.12 R)
• M13: 18,816,719 km (0.111 R)
• M14: 19,542,568 km (0.032 R)
• M15: 20,286,818 km (0.09 R)
• M16: 21,919,678 km (0.057 R)
• M17: 22,096,503 km (0.075 R)
• M18: 22,632,662 km (0.079 R)
• M19: 27,854,675 km (0.073 R)
• M20: 32,202,886 km (0.051 R)
• M21: 34,061,790 km (0.084 R)
• M22: 36,360,510 km (0.077 R)
• M23: 37,864,567 km (0.107 R)
• M24: 52,991,156 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 307.1

Radius: 7.7

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 7.85 AU - 8.61 AU

Year: 16297 Days

Day: 16.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 93,217,035 km

• M1: 95,743 km (0.082 R)
• M2: 1,562,999 km (0.109 R)
• M3: 1,951,355 km (0.058 R)
• M4: 2,461,633 km (0.114 R)
• M5: 2,812,889 km (0.111 R)
• M6: 3,341,119 km (0.075 R)
• M7: 3,906,599 km (0.108 R)
• M8: 4,212,377 km (0.078 R)
• M9: 4,840,987 km (0.09 R)
• M10: 5,845,088 km (0.074 R)
• M11: 6,208,910 km (0.099 R)
• M12: 6,782,917 km (0.075 R)
• M13: 7,560,078 km (0.03 R)
• M14: 9,735,979 km (0.098 R)
• M15: 10,041,009 km (0.078 R)
• M16: 13,576,605 km (0.106 R)
• M17: 14,215,388 km (0.063 R)
• M18: 14,608,232 km (0.079 R)
• M19: 14,874,067 km (0.113 R)
• M20: 15,970,021 km (0.067 R)
• M21: 16,826,619 km (0.108 R)
• M22: 17,340,338 km (0.098 R)
• M23: 17,788,832 km (0.11 R)
• M24: 19,580,117 km (0.094 R)
• M25: 20,561,031 km (0.053 R)
• M26: 23,066,196 km (0.1 R)
• M27: 23,975,153 km (0.112 R)
• M28: 24,625,455 km (0.077 R)
• M29: 26,156,290 km (0.12 R)
• M30: 26,548,536 km (0.069 R)
• M31: 28,777,245 km (0.093 R)
• M32: 33,143,558 km (0.099 R)
• M33: 37,433,426 km (0.077 R)
• M34: 37,682,058 km (0.082 R)
• M35: 38,308,574 km (0.119 R)
• M36: 40,883,901 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 183.1

Radius: 4.5

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 8.29 AU - 8.67 AU

Year: 17045 Days

Day: 20.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 93,217,035 km

• M1: 55,950 km (0.073 R)
• M2: 216,618 km (0.034 R)
• M3: 735,274 km (0.083 R)
• M4: 912,547 km (0.068 R)
• M5: 1,292,226 km (0.116 R)
• M6: 1,538,764 km (0.069 R)
• M7: 1,894,507 km (0.115 R)
• M8: 2,178,145 km (0.111 R)
• M9: 2,809,298 km (0.066 R)
• M10: 2,957,550 km (0.026 R)
• M11: 3,804,274 km (0.095 R)
• M12: 4,311,111 km (0.061 R)
• M13: 4,566,475 km (0.032 R)
• M14: 5,045,039 km (0.112 R)
• M15: 7,140,007 km (0.12 R)
• M16: 7,337,177 km (0.106 R)
• M17: 8,334,397 km (0.097 R)
• M18: 9,418,832 km (0.065 R)
• M19: 9,703,965 km (0.032 R)
• M20: 11,645,297 km (0.105 R)
• M21: 12,140,316 km (0.092 R)
• M22: 12,421,410 km (0.104 R)
• M23: 14,574,273 km (0.111 R)
• M24: 16,548,516 km (0.032 R)
• M25: 20,380,616 km (0.117 R)
• M26: 20,937,718 km (0.047 R)
• M27: 24,854,340 km (0.119 R)
• M28: 25,581,984 km (0.117 R)
• M29: 26,889,170 km (0.074 R)
• M30: 28,932,378 km (0.049 R)
• M31: 36,604,355 km (0.053 R)
• M32: 37,308,662 km (0.071 R)
• M33: 41,218,402 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 945.5

Radius: 3.3

Gravity: 86.82 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 9.1 AU - 11.66 AU

Year: 23084 Days

Day: 17.6 Hours

Environment

Temp: -243 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 93,217,035 km

• M1: 40,990 km (0.115 R)
• M2: 236,514 km (0.077 R)
• M3: 540,348 km (0.087 R)
• M4: 809,025 km (0.069 R)
• M5: 1,145,321 km (0.041 R)
• M6: 1,549,984 km (0.076 R)
• M7: 1,999,974 km (0.098 R)
• M8: 2,384,740 km (0.112 R)
• M9: 2,925,686 km (0.092 R)
• M10: 3,900,615 km (0.091 R)
• M11: 5,483,510 km (0.093 R)
• M12: 5,739,921 km (0.047 R)
• M13: 7,244,426 km (0.107 R)
• M14: 7,816,938 km (0.111 R)
• M15: 9,169,751 km (0.114 R)
• M16: 9,591,916 km (0.029 R)
• M17: 13,601,139 km (0.054 R)
• M18: 13,991,440 km (0.11 R)
• M19: 14,229,301 km (0.101 R)
• M20: 14,712,951 km (0.046 R)
• M21: 17,296,655 km (0.072 R)
• M22: 22,898,497 km (0.046 R)
• M23: 23,118,257 km (0.12 R)
• M24: 23,561,964 km (0.107 R)
• M25: 27,939,646 km (0.104 R)
• M26: 31,591,330 km (0.096 R)
• M27: 35,843,051 km (0.106 R)
• M28: 39,507,152 km (0.089 R)
• M29: 42,248,383 km (0.114 R)
• M30: 42,744,899 km (0.107 R)
• M31: 51,792,129 km (0.089 R)
• M32: 52,933,711 km (0.088 R)
• M33: 59,306,131 km (0.12 R)
• M34: 65,065,200 km (0.117 R)
• M35: 66,393,779 km (0.058 R)
• M36: 67,740,160 km (0.114 R)
• M37: 67,966,352 km (0.071 R)
• M38: 72,359,742 km (0.163 R)
• M39: 73,070,332 km (0.118 R)
• M40: 79,173,327 km (0.066 R)
• M41: 84,032,565 km (0.198 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 16,624 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit