🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.6

Radius: 11.8

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.52 AU - 0.68 AU

Year: 321 Days

Day: 5.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,521,481 km

• M1: 146,756 km (0.11 R)
• M2: 541,993 km (0.065 R)
• M3: 1,242,410 km (0.119 R)
• M4: 1,765,704 km (0.117 R)
• M5: 2,847,745 km (0.071 R)
• M6: 3,297,586 km (0.112 R)
• M7: 3,807,266 km (0.112 R)
• M8: 4,521,596 km (0.105 R)
• M9: 5,061,195 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.6

Radius: 9

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.65 AU - 0.69 AU

Year: 379 Days

Day: 14 Hours

Environment

Temp: -154 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,521,481 km

• M1: 111,899 km (0.06 R)
• M2: 421,417 km (0.115 R)
• M3: 808,427 km (0.085 R)
• M4: 1,216,979 km (0.033 R)
• M5: 1,555,070 km (0.066 R)
• M6: 1,977,534 km (0.094 R)
• M7: 2,587,894 km (0.114 R)
• M8: 3,532,604 km (0.101 R)
• M9: 3,952,675 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.1

Radius: 13.9

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.02 AU - 2.78 AU

Year: 2566 Days

Day: 10.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,521,481 km

• M1: 176,376 km (0.119 R)
• M2: 1,191,996 km (0.106 R)
• M3: 2,077,166 km (0.108 R)
• M4: 3,765,378 km (0.09 R)
• M5: 4,720,262 km (0.072 R)
• M6: 5,398,090 km (0.064 R)
• M7: 6,460,683 km (0.094 R)
• M8: 7,055,484 km (0.089 R)
• M9: 10,010,491 km (0.113 R)
• M10: 12,065,966 km (0.098 R)
• M11: 12,690,537 km (0.088 R)
• M12: 14,914,459 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.3

Radius: 9.1

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.61 AU - 3.89 AU

Year: 4044 Days

Day: 12 Hours

Environment

Temp: -222 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,521,481 km

• M1: 113,246 km (0.108 R)
• M2: 508,932 km (0.095 R)
• M3: 840,142 km (0.055 R)
• M4: 1,262,905 km (0.087 R)
• M5: 1,664,426 km (0.071 R)
• M6: 2,244,118 km (0.114 R)
• M7: 3,104,305 km (0.112 R)
• M8: 4,024,332 km (0.088 R)
• M9: 4,317,993 km (0.102 R)
• M10: 5,262,105 km (0.118 R)
• M11: 6,035,825 km (0.111 R)
• M12: 7,182,942 km (0.114 R)
• M13: 9,167,208 km (0.118 R)
• M14: 9,456,979 km (0.057 R)
• M15: 9,903,080 km (0.115 R)
• M16: 10,677,548 km (0.118 R)
• M17: 11,491,959 km (0.077 R)
• M18: 13,382,427 km (0.116 R)
• M19: 15,117,463 km (0.026 R)
• M20: 18,334,266 km (0.085 R)
• M21: 18,679,089 km (0.081 R)
• M22: 20,840,031 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.7

Radius: 10.9

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.17 AU - 3.95 AU

Year: 4636 Days

Day: 5.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,521,481 km

• M1: 135,685 km (0.043 R)
• M2: 734,675 km (0.081 R)
• M3: 1,286,841 km (0.097 R)
• M4: 1,896,452 km (0.073 R)
• M5: 2,287,800 km (0.111 R)
• M6: 2,676,156 km (0.103 R)
• M7: 3,501,787 km (0.072 R)
• M8: 4,428,695 km (0.087 R)
• M9: 4,842,633 km (0.098 R)
• M10: 5,676,790 km (0.093 R)
• M11: 6,551,489 km (0.115 R)
• M12: 8,536,354 km (0.098 R)
• M13: 10,205,268 km (0.074 R)
• M14: 11,923,848 km (0.059 R)
• M15: 13,827,630 km (0.09 R)
• M16: 15,688,179 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 474

Radius: 5.8

Gravity: 14.09 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 6.76 AU - 7.4 AU

Year: 13004 Days

Day: 24.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 45,521,481 km

• M1: 72,106 km (0.036 R)
• M2: 260,001 km (0.117 R)
• M3: 463,604 km (0.102 R)
• M4: 743,501 km (0.115 R)
• M5: 948,451 km (0.097 R)
• M6: 1,144,125 km (0.06 R)
• M7: 1,694,046 km (0.056 R)
• M8: 1,985,313 km (0.065 R)
• M9: 3,156,964 km (0.076 R)
• M10: 3,755,804 km (0.068 R)
• M11: 4,166,749 km (0.101 R)
• M12: 4,427,349 km (0.079 R)
• M13: 4,668,202 km (0.097 R)
• M14: 6,529,349 km (0.106 R)
• M15: 8,555,502 km (0.114 R)
• M16: 9,363,630 km (0.075 R)
• M17: 11,075,778 km (0.099 R)
• M18: 14,051,578 km (0.12 R)
• M19: 14,971,605 km (0.105 R)
• M20: 15,791,551 km (0.093 R)
• M21: 18,663,382 km (0.111 R)
• M22: 20,843,621 km (0.09 R)
• M23: 23,823,461 km (0.074 R)
• M24: 30,395,445 km (0.051 R)
• M25: 31,707,418 km (0.091 R)
• M26: 39,346,783 km (0.084 R)
• M27: 41,431,729 km (0.116 R)
• M28: 43,043,047 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 253.6

Radius: 4.9

Gravity: 10.56 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 6.44 AU - 9.28 AU

Year: 15211 Days

Day: 15.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,521,481 km

• M1: 107,710 km (0.106 R)
• M2: 292,314 km (0.09 R)
• M3: 558,299 km (0.095 R)
• M4: 3,828,808 km (0.042 R)
• M5: 4,661,320 km (0.079 R)
• M6: 5,215,281 km (0.106 R)
• M7: 8,347,711 km (0.079 R)
• M8: 8,524,236 km (0.1 R)
• M9: 9,302,893 km (0.042 R)
• M10: 11,159,702 km (0.037 R)
• M11: 13,611,761 km (0.044 R)
• M12: 16,194,717 km (0.095 R)
• M13: 17,099,785 km (0.059 R)
• M14: 18,482,667 km (0.091 R)
• M15: 40,030,595 km (0.066 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 18,818 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit