🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466

Radius: 12.8

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.74 AU - 0.76 AU

Year: 433 Days

Day: 14 Hours

Environment

Temp: -163 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,231,288 km

• M1: 159,322 km (0.07 R)
• M2: 692,489 km (0.079 R)
• M3: 1,168,210 km (0.054 R)
• M4: 1,723,068 km (0.065 R)
• M5: 2,371,725 km (0.082 R)
• M6: 2,867,642 km (0.062 R)
• M7: 3,582,271 km (0.057 R)
• M8: 4,032,859 km (0.065 R)
• M9: 4,576,648 km (0.118 R)

Asteroid Belt

Center: 1.09 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.4

Radius: 8.5

Gravity: 10.23 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.34 AU - 1.5 AU

Year: 1128 Days

Day: 11.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,231,288 km

• M1: 130,150 km (0.104 R)
• M2: 415,882 km (0.041 R)
• M3: 700,866 km (0.115 R)
• M4: 991,385 km (0.1 R)
• M5: 1,355,955 km (0.117 R)
• M6: 1,641,537 km (0.078 R)
• M7: 2,050,538 km (0.065 R)
• M8: 2,418,399 km (0.064 R)
• M9: 2,856,422 km (0.088 R)
• M10: 3,924,700 km (0.115 R)
• M11: 4,387,257 km (0.044 R)
• M12: 4,885,717 km (0.104 R)
• M13: 5,279,010 km (0.06 R)
• M14: 5,996,032 km (0.031 R)
• M15: 7,265,969 km (0.081 R)
• M16: 10,107,580 km (0.053 R)
• M17: 11,010,553 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.2

Radius: 11.6

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.35 AU - 3.13 AU

Year: 3025 Days

Day: 6.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,231,288 km

• M1: 144,362 km (0.029 R)
• M2: 711,487 km (0.092 R)
• M3: 1,097,300 km (0.087 R)
• M4: 1,636,750 km (0.067 R)
• M5: 2,553,636 km (0.06 R)
• M6: 3,368,645 km (0.089 R)
• M7: 3,854,838 km (0.097 R)
• M8: 4,582,632 km (0.105 R)
• M9: 4,969,192 km (0.104 R)
• M10: 5,855,261 km (0.07 R)
• M11: 6,485,666 km (0.115 R)
• M12: 7,295,888 km (0.1 R)
• M13: 7,711,621 km (0.07 R)
• M14: 8,290,564 km (0.071 R)
• M15: 9,999,421 km (0.039 R)
• M16: 10,865,443 km (0.108 R)
• M17: 11,519,335 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.4

Radius: 12.1

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.66 AU - 2.92 AU

Year: 3108 Days

Day: 14.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,231,288 km

• M1: 152,590 km (0.045 R)
• M2: 591,360 km (0.093 R)
• M3: 990,188 km (0.078 R)
• M4: 1,924,427 km (0.102 R)
• M5: 2,544,361 km (0.101 R)
• M6: 3,067,953 km (0.114 R)
• M7: 3,964,942 km (0.067 R)
• M8: 4,551,665 km (0.117 R)
• M9: 4,938,226 km (0.111 R)
• M10: 5,442,819 km (0.103 R)
• M11: 6,253,490 km (0.115 R)
• M12: 9,508,590 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.6

Radius: 11.3

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.55 AU - 5.53 AU

Year: 6451 Days

Day: 6.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,231,288 km

• M1: 140,772 km (0.118 R)
• M2: 525,687 km (0.062 R)
• M3: 928,404 km (0.1 R)
• M4: 1,308,682 km (0.069 R)
• M5: 1,795,025 km (0.063 R)
• M6: 3,663,502 km (0.04 R)
• M7: 4,779,652 km (0.044 R)
• M8: 5,850,922 km (0.103 R)
• M9: 6,308,393 km (0.119 R)
• M10: 8,670,393 km (0.03 R)
• M11: 9,441,570 km (0.084 R)
• M12: 10,026,498 km (0.094 R)
• M13: 11,671,027 km (0.065 R)
• M14: 12,344,966 km (0.095 R)
• M15: 13,770,933 km (0.068 R)
• M16: 14,406,125 km (0.084 R)
• M17: 23,221,928 km (0.032 R)
• M18: 26,342,390 km (0.059 R)
• M19: 29,163,656 km (0.087 R)
• M20: 30,307,930 km (0.054 R)
• M21: 30,695,987 km (0.027 R)
• M22: 31,780,123 km (0.114 R)
• M23: 35,079,055 km (0.102 R)
• M24: 35,830,036 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 599.9

Radius: 5

Gravity: 24 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.46 AU - 7.32 AU

Year: 9532 Days

Day: 24.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 59.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 61,231,288 km

• M1: 62,233 km (0.115 R)
• M2: 268,827 km (0.059 R)
• M3: 797,656 km (0.104 R)
• M4: 1,099,844 km (0.095 R)
• M5: 1,333,067 km (0.045 R)
• M6: 1,613,114 km (0.044 R)
• M7: 2,438,894 km (0.11 R)
• M8: 2,858,666 km (0.117 R)
• M9: 3,371,936 km (0.089 R)
• M10: 3,588,853 km (0.092 R)
• M11: 3,944,597 km (0.082 R)
• M12: 4,464,748 km (0.109 R)
• M13: 5,217,076 km (0.091 R)
• M14: 7,851,943 km (0.028 R)
• M15: 8,851,706 km (0.1 R)
• M16: 10,943,383 km (0.102 R)
• M17: 12,413,033 km (0.055 R)
• M18: 14,194,594 km (0.11 R)
• M19: 14,633,664 km (0.097 R)
• M20: 15,937,858 km (0.043 R)
• M21: 18,477,282 km (0.098 R)
• M22: 19,380,255 km (0.105 R)
• M23: 19,998,393 km (0.112 R)
• M24: 23,029,096 km (0.114 R)
• M25: 24,518,941 km (0.116 R)
• M26: 25,700,615 km (0.109 R)
• M27: 27,015,131 km (0.107 R)
• M28: 27,495,341 km (0.044 R)
• M29: 33,487,932 km (0.039 R)
• M30: 33,819,591 km (0.118 R)
• M31: 35,168,215 km (0.069 R)
• M32: 35,625,536 km (0.045 R)
• M33: 37,021,583 km (0.076 R)
• M34: 37,376,280 km (0.117 R)
• M35: 38,695,883 km (0.026 R)
• M36: 41,427,839 km (0.075 R)
• M37: 42,581,538 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 938.5

Radius: 3

Gravity: 104.28 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 6.23 AU - 8.63 AU

Year: 13506 Days

Day: 17.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 61,231,288 km

• M1: 39,643 km (0.049 R)
• M2: 152,440 km (0.112 R)
• M3: 256,710 km (0.116 R)
• M4: 362,326 km (0.071 R)
• M5: 565,181 km (0.083 R)
• M6: 683,363 km (0.07 R)
• M7: 1,040,902 km (0.111 R)
• M8: 1,655,899 km (0.104 R)
• M9: 2,248,456 km (0.11 R)
• M10: 2,373,520 km (0.086 R)
• M11: 3,953,273 km (0.051 R)
• M12: 4,260,547 km (0.06 R)
• M13: 4,616,889 km (0.117 R)
• M14: 6,000,819 km (0.106 R)
• M15: 10,388,076 km (0.098 R)
• M16: 10,618,906 km (0.108 R)
• M17: 14,865,840 km (0.098 R)
• M18: 19,853,433 km (0.043 R)
• M19: 21,300,642 km (0.106 R)
• M20: 23,799,824 km (0.064 R)
• M21: 30,064,385 km (0.08 R)
• M22: 32,211,264 km (0.101 R)
• M23: 34,203,309 km (0.059 R)
• M24: 34,585,831 km (0.103 R)
• M25: 39,820,260 km (0.039 R)
• M26: 41,386,700 km (0.057 R)
• M27: 42,551,469 km (0.089 R)
• M28: 44,641,949 km (0.085 R)
• M29: 45,866,707 km (0.114 R)
• M30: 50,165,552 km (0.044 R)
• M31: 50,824,381 km (0.084 R)
• M32: 51,488,894 km (0.09 R)
• M33: 51,823,395 km (0.107 R)
• M34: 55,248,139 km (0.101 R)
• M35: 57,015,638 km (0.113 R)
• M36: 57,733,109 km (0.095 R)
• M37: 63,306,977 km (0.031 R)
• M38: 64,463,069 km (0.051 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 376.9

Radius: 3.6

Gravity: 29.08 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 8.4 AU - 10.56 AU

Year: 19464 Days

Day: 22.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 61,231,288 km

• M1: 45,029 km (0.028 R)
• M2: 179,218 km (0.11 R)
• M3: 696,228 km (0.097 R)
• M4: 1,196,334 km (0.111 R)
• M5: 1,359,396 km (0.113 R)
• M6: 1,849,927 km (0.065 R)
• M7: 4,169,891 km (0.088 R)
• M8: 4,545,681 km (0.062 R)
• M9: 6,896,462 km (0.084 R)
• M10: 7,738,997 km (0.084 R)
• M11: 7,924,798 km (0.107 R)
• M12: 8,949,393 km (0.105 R)
• M13: 9,154,043 km (0.095 R)
• M14: 10,963,729 km (0.085 R)
• M15: 12,998,559 km (0.035 R)
• M16: 13,527,088 km (0.1 R)
• M17: 13,796,813 km (0.103 R)
• M18: 22,977,784 km (0.084 R)
• M19: 25,141,717 km (0.115 R)
• M20: 26,692,748 km (0.102 R)
• M21: 28,415,966 km (0.088 R)
• M22: 32,924,397 km (0.08 R)
• M23: 39,783,011 km (0.103 R)
• M24: 40,059,019 km (0.115 R)
• M25: 48,001,319 km (0.056 R)
• M26: 50,865,370 km (0.071 R)
• M27: 58,163,503 km (0.107 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 498 - 12,939 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit