🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.5

Radius: 11.4

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.54 AU - 0.68 AU

Year: 318 Days

Day: 14.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,997,834 km

• M1: 141,819 km (0.09 R)
• M2: 503,247 km (0.112 R)
• M3: 1,149,959 km (0.099 R)
• M4: 1,562,849 km (0.072 R)
• M5: 2,036,326 km (0.041 R)
• M6: 2,477,790 km (0.087 R)
• M7: 2,892,475 km (0.085 R)
• M8: 3,533,053 km (0.104 R)
• M9: 4,150,144 km (0.113 R)
• M10: 4,767,235 km (0.031 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.5

Radius: 9.9

Gravity: 10.08 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.8 AU - 0.94 AU

Year: 541 Days

Day: 8.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,997,834 km

• M1: 123,119 km (0.061 R)
• M2: 481,855 km (0.093 R)
• M3: 794,963 km (0.053 R)
• M4: 1,152,352 km (0.102 R)
• M5: 1,520,214 km (0.082 R)
• M6: 2,446,972 km (0.049 R)
• M7: 3,125,548 km (0.116 R)
• M8: 3,469,773 km (0.081 R)
• M9: 4,341,929 km (0.071 R)
• M10: 4,739,261 km (0.095 R)
• M11: 5,389,562 km (0.046 R)
• M12: 5,773,879 km (0.103 R)
• M13: 6,137,402 km (0.119 R)
• M14: 6,618,210 km (0.034 R)
• M15: 7,497,995 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.3

Radius: 10.7

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1 AU - 1.12 AU

Year: 728 Days

Day: 12.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,997,834 km

• M1: 133,142 km (0.116 R)
• M2: 489,335 km (0.079 R)
• M3: 879,785 km (0.106 R)
• M4: 1,428,360 km (0.098 R)
• M5: 2,263,266 km (0.084 R)
• M6: 2,711,162 km (0.097 R)
• M7: 4,273,413 km (0.106 R)
• M8: 4,743,898 km (0.096 R)
• M9: 5,233,233 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.3

Radius: 13.8

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.85 AU - 1.33 AU

Year: 759 Days

Day: 6.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,997,834 km

• M1: 171,589 km (0.114 R)
• M2: 671,694 km (0.075 R)
• M3: 1,173,446 km (0.079 R)
• M4: 2,045,302 km (0.063 R)
• M5: 2,501,576 km (0.081 R)
• M6: 3,129,587 km (0.09 R)
• M7: 3,595,884 km (0.075 R)
• M8: 4,366,762 km (0.103 R)
• M9: 4,988,191 km (0.102 R)
• M10: 5,434,741 km (0.092 R)
• M11: 5,887,873 km (0.112 R)
• M12: 6,983,977 km (0.064 R)
• M13: 7,665,544 km (0.072 R)
• M14: 8,110,598 km (0.086 R)
• M15: 8,651,694 km (0.047 R)
• M16: 9,271,926 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879

Radius: 9.5

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.13 AU - 1.17 AU

Year: 822 Days

Day: 7.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,997,834 km

• M1: 118,182 km (0.061 R)
• M2: 425,307 km (0.111 R)
• M3: 774,319 km (0.056 R)
• M4: 1,102,985 km (0.096 R)
• M5: 2,026,902 km (0.041 R)
• M6: 2,494,096 km (0.102 R)
• M7: 2,928,827 km (0.056 R)
• M8: 3,857,680 km (0.109 R)
• M9: 4,174,828 km (0.032 R)
• M10: 5,045,188 km (0.07 R)
• M11: 5,702,970 km (0.112 R)
• M12: 6,010,992 km (0.102 R)
• M13: 6,526,806 km (0.104 R)
• M14: 7,307,856 km (0.069 R)
• M15: 8,098,780 km (0.034 R)
• M16: 8,918,277 km (0.116 R)
• M17: 9,221,961 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.7

Radius: 13.5

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.92 AU - 2.68 AU

Year: 2326 Days

Day: 10.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,997,834 km

• M1: 168,298 km (0.084 R)
• M2: 741,706 km (0.097 R)
• M3: 1,370,466 km (0.076 R)
• M4: 2,216,292 km (0.064 R)
• M5: 2,948,275 km (0.068 R)
• M6: 3,704,193 km (0.051 R)
• M7: 4,235,565 km (0.045 R)
• M8: 5,036,811 km (0.106 R)
• M9: 6,841,111 km (0.095 R)
• M10: 8,225,190 km (0.058 R)
• M11: 11,119,759 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.1

Radius: 10.3

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.06 AU - 5.06 AU

Year: 6493 Days

Day: 12 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,997,834 km

• M1: 128,056 km (0.028 R)
• M2: 517,459 km (0.087 R)
• M3: 871,408 km (0.088 R)
• M4: 1,562,251 km (0.084 R)
• M5: 3,424,146 km (0.093 R)
• M6: 3,895,379 km (0.066 R)
• M7: 4,632,597 km (0.094 R)
• M8: 5,432,048 km (0.069 R)
• M9: 5,776,572 km (0.038 R)
• M10: 7,032,297 km (0.116 R)
• M11: 7,477,350 km (0.119 R)
• M12: 8,576,147 km (0.086 R)
• M13: 9,084,480 km (0.117 R)
• M14: 11,229,265 km (0.112 R)
• M15: 12,223,492 km (0.119 R)
• M16: 14,332,374 km (0.11 R)
• M17: 16,733,270 km (0.079 R)
• M18: 17,652,250 km (0.041 R)
• M19: 18,669,066 km (0.098 R)
• M20: 20,062,421 km (0.046 R)
• M21: 22,463,317 km (0.077 R)
• M22: 24,038,583 km (0.09 R)
• M23: 25,128,702 km (0.082 R)
• M24: 26,825,441 km (0.115 R)
• M25: 27,575,525 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.4

Radius: 11.5

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.11 AU - 5.07 AU

Year: 6558 Days

Day: 9.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,997,834 km

• M1: 143,016 km (0.11 R)
• M2: 514,467 km (0.086 R)
• M3: 1,113,307 km (0.061 R)
• M4: 1,629,719 km (0.112 R)
• M5: 2,089,284 km (0.073 R)
• M6: 3,114,777 km (0.113 R)
• M7: 3,852,893 km (0.091 R)
• M8: 5,188,503 km (0.079 R)
• M9: 5,706,112 km (0.102 R)
• M10: 7,905,350 km (0.108 R)
• M11: 9,527,140 km (0.111 R)
• M12: 9,910,859 km (0.117 R)
• M13: 11,218,644 km (0.109 R)
• M14: 13,577,652 km (0.065 R)
• M15: 14,284,652 km (0.082 R)
• M16: 14,788,348 km (0.075 R)
• M17: 16,249,770 km (0.082 R)
• M18: 18,323,645 km (0.055 R)
• M19: 18,785,304 km (0.105 R)
• M20: 20,781,089 km (0.109 R)
• M21: 23,916,660 km (0.107 R)
• M22: 26,591,919 km (0.061 R)
• M23: 28,045,113 km (0.03 R)
• M24: 28,924,300 km (0.117 R)
• M25: 31,389,972 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 280.1

Radius: 3.3

Gravity: 25.72 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.56 AU - 7.26 AU

Year: 9581 Days

Day: 17.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 69,997,834 km

• M1: 40,990 km (0.082 R)
• M2: 153,039 km (0.087 R)
• M3: 285,433 km (0.093 R)
• M4: 393,891 km (0.058 R)
• M5: 500,704 km (0.112 R)
• M6: 634,145 km (0.105 R)
• M7: 823,835 km (0.115 R)
• M8: 1,374,655 km (0.057 R)
• M9: 1,692,999 km (0.075 R)
• M10: 1,966,165 km (0.054 R)
• M11: 2,218,387 km (0.1 R)
• M12: 2,636,363 km (0.054 R)
• M13: 3,272,753 km (0.103 R)
• M14: 3,380,762 km (0.105 R)
• M15: 4,332,055 km (0.063 R)
• M16: 6,990,559 km (0.058 R)
• M17: 8,391,842 km (0.103 R)
• M18: 9,009,681 km (0.111 R)
• M19: 9,569,177 km (0.045 R)
• M20: 9,924,772 km (0.112 R)
• M21: 10,151,412 km (0.089 R)
• M22: 11,141,451 km (0.088 R)
• M23: 11,485,227 km (0.086 R)
• M24: 12,401,663 km (0.098 R)
• M25: 13,753,879 km (0.116 R)
• M26: 15,441,941 km (0.116 R)
• M27: 19,013,291 km (0.063 R)
• M28: 20,291,904 km (0.119 R)
• M29: 20,583,620 km (0.096 R)
• M30: 22,861,247 km (0.103 R)
• M31: 24,552,003 km (0.095 R)
• M32: 25,217,414 km (0.088 R)
• M33: 26,584,140 km (0.111 R)
• M34: 27,374,316 km (0.057 R)
• M35: 30,691,350 km (0.089 R)
• M36: 32,945,191 km (0.053 R)
• M37: 33,449,336 km (0.067 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 503.5

Radius: 6.9

Gravity: 10.58 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 7.53 AU - 12.15 AU

Year: 20584 Days

Day: 20.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 69,997,834 km

• M1: 86,168 km (0.113 R)
• M2: 317,147 km (0.118 R)
• M3: 830,268 km (0.111 R)
• M4: 1,139,337 km (0.108 R)
• M5: 1,604,138 km (0.036 R)
• M6: 2,508,008 km (0.059 R)
• M7: 3,772,559 km (0.106 R)
• M8: 4,593,851 km (0.119 R)
• M9: 7,206,129 km (0.113 R)
• M10: 7,721,344 km (0.107 R)
• M11: 8,012,462 km (0.113 R)
• M12: 8,565,226 km (0.099 R)
• M13: 9,915,945 km (0.076 R)
• M14: 10,791,392 km (0.102 R)
• M15: 11,590,993 km (0.091 R)
• M16: 14,298,714 km (0.114 R)
• M17: 14,517,426 km (0.032 R)
• M18: 17,650,454 km (0.074 R)
• M19: 21,491,679 km (0.111 R)
• M20: 24,375,327 km (0.059 R)
• M21: 25,533,365 km (0.098 R)
• M22: 26,180,375 km (0.116 R)
• M23: 26,617,650 km (0.118 R)
• M24: 32,377,467 km (0.113 R)
• M25: 33,646,955 km (0.092 R)
• M26: 33,904,861 km (0.064 R)
• M27: 35,612,970 km (0.118 R)
• M28: 43,782,659 km (0.115 R)
• M29: 45,333,840 km (0.025 R)
• M30: 46,123,118 km (0.112 R)
• M31: 46,921,372 km (0.067 R)
• M32: 48,381,597 km (0.094 R)
• M33: 55,777,566 km (0.107 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 18,014 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit