🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.6

Radius: 14.4

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.85 AU - 1.27 AU

Year: 705 Days

Day: 14.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,689,855 km

• M1: 179,069 km (0.095 R)
• M2: 694,134 km (0.043 R)
• M3: 1,152,801 km (0.113 R)
• M4: 1,692,102 km (0.091 R)
• M5: 2,704,430 km (0.032 R)
• M6: 4,115,587 km (0.088 R)
• M7: 5,014,521 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.1

Radius: 11.8

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.06 AU - 1.12 AU

Year: 735 Days

Day: 12 Hours

Environment

Temp: -164 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,689,855 km

• M1: 146,756 km (0.028 R)
• M2: 534,663 km (0.08 R)
• M3: 979,118 km (0.049 R)
• M4: 1,394,103 km (0.071 R)
• M5: 1,802,954 km (0.086 R)
• M6: 2,380,850 km (0.102 R)
• M7: 3,079,622 km (0.105 R)
• M8: 3,703,445 km (0.109 R)
• M9: 4,273,712 km (0.056 R)
• M10: 4,836,499 km (0.082 R)
• M11: 5,221,564 km (0.085 R)
• M12: 5,591,071 km (0.064 R)
• M13: 6,072,776 km (0.066 R)
• M14: 6,622,548 km (0.095 R)
• M15: 7,226,624 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.8

Radius: 9.7

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.04 AU - 1.4 AU

Year: 870 Days

Day: 8.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,689,855 km

• M1: 120,576 km (0.119 R)
• M2: 1,370,017 km (0.065 R)
• M3: 1,808,489 km (0.1 R)
• M4: 3,494,606 km (0.11 R)
• M5: 4,190,685 km (0.047 R)
• M6: 4,976,523 km (0.118 R)
• M7: 6,229,255 km (0.118 R)
• M8: 8,828,219 km (0.11 R)
• M9: 9,262,502 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.3

Radius: 14.8

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.1 AU - 1.58 AU

Year: 1002 Days

Day: 8.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,689,855 km

• M1: 184,005 km (0.037 R)
• M2: 744,848 km (0.102 R)
• M3: 1,896,602 km (0.105 R)
• M4: 2,392,968 km (0.115 R)
• M5: 2,855,225 km (0.079 R)
• M6: 3,377,920 km (0.097 R)
• M7: 4,040,788 km (0.108 R)
• M8: 5,071,069 km (0.108 R)
• M9: 5,590,921 km (0.109 R)
• M10: 6,914,862 km (0.108 R)
• M11: 7,532,552 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963

Radius: 8.2

Gravity: 14.32 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.22 AU - 6.04 AU

Year: 7502 Days

Day: 5.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 67,689,855 km

• M1: 102,175 km (0.08 R)
• M2: 373,097 km (0.118 R)
• M3: 760,406 km (0.06 R)
• M4: 1,042,099 km (0.108 R)
• M5: 1,381,836 km (0.063 R)
• M6: 1,749,996 km (0.109 R)
• M7: 2,288,399 km (0.067 R)
• M8: 2,786,859 km (0.062 R)
• M9: 4,351,503 km (0.104 R)
• M10: 7,995,408 km (0.103 R)
• M11: 11,861,017 km (0.088 R)
• M12: 12,305,472 km (0.098 R)
• M13: 13,765,996 km (0.065 R)
• M14: 15,601,113 km (0.076 R)
• M15: 16,611,647 km (0.113 R)
• M16: 18,318,259 km (0.108 R)
• M17: 22,748,899 km (0.079 R)
• M18: 23,435,105 km (0.112 R)
• M19: 25,668,601 km (0.101 R)
• M20: 26,225,105 km (0.104 R)
• M21: 26,506,349 km (0.078 R)
• M22: 30,245,099 km (0.096 R)
• M23: 30,554,318 km (0.09 R)
• M24: 32,132,875 km (0.076 R)
• M25: 32,996,503 km (0.11 R)
• M26: 34,996,327 km (0.094 R)
• M27: 36,840,570 km (0.109 R)
• M28: 38,506,642 km (0.09 R)
• M29: 40,847,250 km (0.106 R)
• M30: 43,281,207 km (0.063 R)
• M31: 44,201,683 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.7

Radius: 11.6

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.78 AU - 6.4 AU

Year: 8534 Days

Day: 7.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,689,855 km

• M1: 144,512 km (0.09 R)
• M2: 641,027 km (0.047 R)
• M3: 1,186,461 km (0.114 R)
• M4: 1,572,722 km (0.118 R)
• M5: 2,244,866 km (0.09 R)
• M6: 2,946,928 km (0.037 R)
• M7: 4,225,541 km (0.069 R)
• M8: 7,079,570 km (0.082 R)
• M9: 8,621,774 km (0.097 R)
• M10: 10,984,373 km (0.105 R)
• M11: 12,314,747 km (0.065 R)
• M12: 12,903,564 km (0.07 R)
• M13: 14,235,584 km (0.091 R)
• M14: 15,293,241 km (0.115 R)
• M15: 16,510,967 km (0.086 R)
• M16: 19,806,160 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 358.3

Radius: 5.1

Gravity: 13.78 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 9.39 AU - 12.39 AU

Year: 23204 Days

Day: 20.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 67,689,855 km

• M1: 63,429 km (0.118 R)
• M2: 941,120 km (0.095 R)
• M3: 1,485,208 km (0.074 R)
• M4: 1,926,073 km (0.09 R)
• M5: 2,197,294 km (0.1 R)
• M6: 5,145,718 km (0.095 R)
• M7: 6,063,052 km (0.083 R)
• M8: 9,793,425 km (0.088 R)
• M9: 10,771,495 km (0.096 R)
• M10: 11,624,353 km (0.035 R)
• M11: 13,811,773 km (0.098 R)
• M12: 14,452,650 km (0.107 R)
• M13: 16,653,235 km (0.083 R)
• M14: 19,329,541 km (0.062 R)
• M15: 20,130,937 km (0.102 R)
• M16: 23,159,994 km (0.045 R)
• M17: 23,358,810 km (0.075 R)
• M18: 23,558,822 km (0.11 R)
• M19: 31,786,855 km (0.074 R)
• M20: 32,279,331 km (0.086 R)
• M21: 35,341,450 km (0.077 R)
• M22: 38,036,755 km (0.081 R)
• M23: 38,731,338 km (0.094 R)
• M24: 41,448,035 km (0.11 R)
• M25: 41,888,301 km (0.099 R)
• M26: 43,680,633 km (0.046 R)
• M27: 47,898,845 km (0.072 R)
• M28: 48,546,005 km (0.066 R)
• M29: 49,692,523 km (0.095 R)
• M30: 51,699,678 km (0.119 R)
• M31: 58,044,572 km (0.069 R)
• M32: 60,645,930 km (0.116 R)
• M33: 63,518,209 km (0.118 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: 547 - 17,041 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit