🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.9

Radius: 8.8

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.63 AU - 0.69 AU

Year: 370 Days

Day: 11.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 44,870,508 km

• M1: 109,506 km (0.092 R)
• M2: 461,958 km (0.105 R)
• M3: 974,032 km (0.119 R)
• M4: 1,271,731 km (0.118 R)
• M5: 1,611,319 km (0.08 R)
• M6: 1,942,977 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.7

Radius: 10.3

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.22 AU - 1.4 AU

Year: 1035 Days

Day: 11.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,870,508 km

• M1: 129,402 km (0.063 R)
• M2: 453,132 km (0.113 R)
• M3: 907,012 km (0.075 R)
• M4: 1,455,288 km (0.083 R)
• M5: 2,071,931 km (0.108 R)
• M6: 3,045,214 km (0.045 R)
• M7: 4,131,444 km (0.112 R)
• M8: 5,642,233 km (0.09 R)
• M9: 6,985,323 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.6

Radius: 14.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.38 AU - 1.98 AU

Year: 1503 Days

Day: 10.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,870,508 km

• M1: 185,352 km (0.103 R)
• M2: 802,892 km (0.053 R)
• M3: 1,818,661 km (0.095 R)
• M4: 2,404,487 km (0.098 R)
• M5: 3,040,128 km (0.083 R)
• M6: 3,728,577 km (0.111 R)
• M7: 4,356,140 km (0.035 R)
• M8: 6,085,641 km (0.039 R)
• M9: 7,965,039 km (0.112 R)
• M10: 8,541,290 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.9

Radius: 9.2

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.69 AU - 3.03 AU

Year: 3339 Days

Day: 13.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,870,508 km

• M1: 114,442 km (0.067 R)
• M2: 516,861 km (0.114 R)
• M3: 1,119,441 km (0.034 R)
• M4: 1,588,430 km (0.048 R)
• M5: 2,348,986 km (0.049 R)
• M6: 3,036,538 km (0.04 R)
• M7: 6,646,933 km (0.103 R)
• M8: 7,765,326 km (0.038 R)
• M9: 8,499,702 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.1

Radius: 11.2

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.53 AU - 3.25 AU

Year: 3391 Days

Day: 14.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,870,508 km

• M1: 139,276 km (0.11 R)
• M2: 917,185 km (0.104 R)
• M3: 1,831,228 km (0.119 R)
• M4: 2,540,471 km (0.113 R)
• M5: 3,540,982 km (0.12 R)
• M6: 4,208,338 km (0.063 R)
• M7: 5,107,870 km (0.029 R)
• M8: 5,711,946 km (0.116 R)
• M9: 6,510,948 km (0.092 R)
• M10: 7,546,614 km (0.115 R)
• M11: 8,156,076 km (0.103 R)
• M12: 8,982,305 km (0.096 R)
• M13: 9,863,436 km (0.049 R)
• M14: 10,885,489 km (0.049 R)
• M15: 11,270,255 km (0.118 R)
• M16: 12,853,748 km (0.095 R)
• M17: 14,376,056 km (0.112 R)
• M18: 15,634,623 km (0.047 R)
• M19: 17,834,460 km (0.114 R)
• M20: 19,535,986 km (0.069 R)
• M21: 20,490,720 km (0.114 R)
• M22: 21,947,055 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.8

Radius: 10.7

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.25 AU - 4.85 AU

Year: 6699 Days

Day: 9.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,870,508 km

• M1: 133,740 km (0.088 R)
• M2: 491,279 km (0.071 R)
• M3: 1,033,572 km (0.037 R)
• M4: 2,014,335 km (0.093 R)
• M5: 2,596,869 km (0.08 R)
• M6: 2,978,194 km (0.049 R)
• M7: 3,418,910 km (0.067 R)
• M8: 3,760,142 km (0.086 R)
• M9: 5,919,438 km (0.03 R)
• M10: 7,374,577 km (0.044 R)
• M11: 7,715,061 km (0.088 R)
• M12: 8,306,123 km (0.101 R)
• M13: 9,446,058 km (0.104 R)
• M14: 10,639,401 km (0.104 R)
• M15: 15,001,824 km (0.114 R)
• M16: 15,735,901 km (0.117 R)
• M17: 18,425,970 km (0.088 R)
• M18: 19,916,114 km (0.061 R)
• M19: 21,948,102 km (0.117 R)
• M20: 24,032,000 km (0.116 R)
• M21: 25,292,512 km (0.115 R)
• M22: 25,982,607 km (0.059 R)
• M23: 30,004,396 km (0.114 R)
• M24: 35,270,690 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.5

Radius: 8.5

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.14 AU - 5.62 AU

Year: 7441 Days

Day: 11.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 165.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,870,508 km

• M1: 115,340 km (0.056 R)
• M2: 445,203 km (0.091 R)
• M3: 1,391,260 km (0.118 R)
• M4: 1,870,871 km (0.056 R)
• M5: 6,046,896 km (0.064 R)
• M6: 7,211,515 km (0.072 R)
• M7: 8,317,642 km (0.107 R)
• M8: 10,251,942 km (0.066 R)
• M9: 12,626,659 km (0.113 R)
• M10: 12,893,541 km (0.12 R)
• M11: 13,885,226 km (0.11 R)
• M12: 14,632,467 km (0.065 R)
• M13: 15,165,335 km (0.116 R)
• M14: 17,691,444 km (0.115 R)
• M15: 18,638,249 km (0.034 R)
• M16: 19,124,143 km (0.103 R)
• M17: 21,757,215 km (0.085 R)
• M18: 23,884,198 km (0.078 R)
• M19: 25,973,781 km (0.104 R)
• M20: 28,455,460 km (0.098 R)
• M21: 29,007,177 km (0.12 R)
• M22: 30,897,645 km (0.118 R)
• M23: 31,971,608 km (0.06 R)
• M24: 34,817,558 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.7

Radius: 10.7

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.13 AU - 5.79 AU

Year: 7625 Days

Day: 11.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,870,508 km

• M1: 133,142 km (0.119 R)
• M2: 475,123 km (0.075 R)
• M3: 875,297 km (0.062 R)
• M4: 1,527,693 km (0.062 R)
• M5: 2,590,138 km (0.116 R)
• M6: 3,750,718 km (0.102 R)
• M7: 4,110,800 km (0.098 R)
• M8: 4,564,081 km (0.105 R)
• M9: 5,025,591 km (0.081 R)
• M10: 6,214,595 km (0.046 R)
• M11: 6,599,510 km (0.118 R)
• M12: 7,384,749 km (0.112 R)
• M13: 8,231,024 km (0.051 R)
• M14: 8,587,217 km (0.099 R)
• M15: 9,103,180 km (0.09 R)
• M16: 10,860,656 km (0.086 R)
• M17: 17,477,220 km (0.065 R)
• M18: 17,948,154 km (0.099 R)
• M19: 18,609,377 km (0.085 R)
• M20: 19,474,352 km (0.118 R)
• M21: 19,916,713 km (0.099 R)
• M22: 20,365,955 km (0.102 R)
• M23: 20,953,276 km (0.115 R)
• M24: 23,416,405 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 236.5

Radius: 6.9

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 6.06 AU - 9.8 AU

Year: 15414 Days

Day: 22.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,870,508 km

• M1: 90,208 km (0.085 R)
• M2: 1,166,863 km (0.091 R)
• M3: 2,523,866 km (0.092 R)
• M4: 3,772,110 km (0.079 R)
• M5: 4,166,749 km (0.083 R)
• M6: 6,828,993 km (0.053 R)
• M7: 7,950,678 km (0.034 R)
• M8: 13,495,224 km (0.084 R)
• M9: 19,513,397 km (0.044 R)
• M10: 21,420,321 km (0.112 R)
• M11: 23,622,701 km (0.094 R)
• M12: 25,050,612 km (0.092 R)
• M13: 25,693,135 km (0.083 R)
• M14: 32,300,424 km (0.106 R)
• M15: 35,645,881 km (0.101 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 542 - 12,257 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit