🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.47 AU - 0.57 AU

Year: 246 Days

Day: 38.9 Hours

Environment

Temp: -116 °C

Axial Tilt: 44.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.17 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.8

Radius: 8.2

Gravity: 9.9 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.8 AU - 1.84 AU

Year: 1611 Days

Day: 7.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,946,765 km

• M1: 102,026 km (0.115 R)
• M2: 438,771 km (0.1 R)
• M3: 736,919 km (0.088 R)
• M4: 1,042,697 km (0.057 R)
• M5: 1,298,809 km (0.058 R)
• M6: 1,616,405 km (0.116 R)
• M7: 1,931,309 km (0.107 R)
• M8: 2,659,102 km (0.095 R)
• M9: 3,300,578 km (0.038 R)
• M10: 3,607,852 km (0.114 R)
• M11: 4,528,328 km (0.117 R)
• M12: 4,806,580 km (0.079 R)
• M13: 5,310,276 km (0.106 R)
• M14: 5,620,093 km (0.051 R)
• M15: 8,254,960 km (0.087 R)
• M16: 9,196,080 km (0.045 R)
• M17: 10,206,764 km (0.118 R)
• M18: 12,486,186 km (0.078 R)
• M19: 13,316,006 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.4

Radius: 15

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.58 AU - 2.64 AU

Year: 2766 Days

Day: 10.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,946,765 km

• M1: 187,297 km (0.106 R)
• M2: 839,693 km (0.096 R)
• M3: 1,429,408 km (0.089 R)
• M4: 1,898,995 km (0.073 R)
• M5: 2,706,225 km (0.111 R)
• M6: 3,199,300 km (0.063 R)
• M7: 3,752,962 km (0.073 R)
• M8: 4,894,693 km (0.112 R)
• M9: 5,412,152 km (0.062 R)
• M10: 6,150,417 km (0.052 R)
• M11: 6,754,493 km (0.106 R)
• M12: 7,368,144 km (0.09 R)
• M13: 8,050,609 km (0.119 R)
• M14: 8,741,303 km (0.05 R)
• M15: 9,435,437 km (0.049 R)
• M16: 9,980,123 km (0.104 R)
• M17: 12,286,922 km (0.113 R)
• M18: 13,338,595 km (0.106 R)
• M19: 15,923,796 km (0.084 R)
• M20: 16,436,916 km (0.047 R)
• M21: 19,170,369 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615

Radius: 10.1

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.72 AU - 4.32 AU

Year: 5287 Days

Day: 13.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,946,765 km

• M1: 126,859 km (0.085 R)
• M2: 584,928 km (0.119 R)
• M3: 1,140,235 km (0.083 R)
• M4: 1,461,422 km (0.064 R)
• M5: 2,262,219 km (0.109 R)
• M6: 3,037,435 km (0.088 R)
• M7: 3,372,983 km (0.12 R)
• M8: 3,689,831 km (0.054 R)
• M9: 4,310,663 km (0.083 R)
• M10: 7,371,435 km (0.095 R)
• M11: 8,548,322 km (0.078 R)
• M12: 11,887,346 km (0.11 R)
• M13: 13,500,609 km (0.074 R)
• M14: 13,818,655 km (0.08 R)
• M15: 15,426,832 km (0.085 R)
• M16: 17,094,698 km (0.051 R)
• M17: 17,592,560 km (0.051 R)
• M18: 20,090,545 km (0.077 R)
• M19: 23,956,753 km (0.112 R)
• M20: 27,184,027 km (0.099 R)
• M21: 28,552,250 km (0.093 R)
• M22: 29,519,250 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.1

Radius: 12.8

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.98 AU - 4.4 AU

Year: 5626 Days

Day: 13.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,946,765 km

• M1: 159,172 km (0.053 R)
• M2: 634,295 km (0.038 R)
• M3: 1,497,175 km (0.044 R)
• M4: 2,119,951 km (0.108 R)
• M5: 2,799,724 km (0.111 R)
• M6: 4,344,023 km (0.074 R)
• M7: 4,968,295 km (0.036 R)
• M8: 8,989,336 km (0.065 R)
• M9: 11,334,133 km (0.071 R)
• M10: 13,516,018 km (0.092 R)
• M11: 18,629,273 km (0.05 R)
• M12: 19,168,424 km (0.116 R)
• M13: 22,022,602 km (0.118 R)
• M14: 23,786,061 km (0.12 R)
• M15: 25,559,395 km (0.049 R)
• M16: 29,006,878 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.5

Radius: 12.4

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.52 AU - 5.28 AU

Year: 7115 Days

Day: 14.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 63.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 37,946,765 km

• M1: 158,723 km (0.111 R)
• M2: 592,557 km (0.12 R)
• M3: 1,266,795 km (0.071 R)
• M4: 1,810,733 km (0.079 R)
• M5: 2,434,705 km (0.109 R)
• M6: 2,982,982 km (0.098 R)
• M7: 3,401,257 km (0.103 R)
• M8: 4,302,734 km (0.034 R)
• M9: 5,452,693 km (0.116 R)
• M10: 6,082,500 km (0.05 R)
• M11: 8,099,079 km (0.094 R)
• M12: 14,493,939 km (0.086 R)
• M13: 17,679,925 km (0.108 R)
• M14: 19,285,410 km (0.106 R)
• M15: 20,434,620 km (0.105 R)
• M16: 21,628,860 km (0.11 R)
• M17: 23,635,566 km (0.102 R)
• M18: 24,243,532 km (0.025 R)
• M19: 26,500,515 km (0.063 R)
• M20: 28,404,297 km (0.077 R)
• M21: 30,499,864 km (0.09 R)
• M22: 31,847,591 km (0.113 R)
• M23: 33,998,061 km (0.113 R)
• M24: 37,168,937 km (0.084 R)
• M25: 37,873,095 km (0.109 R)

Asteroid Belt

Center: 5.55 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 518

Radius: 4.4

Gravity: 26.76 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.74 AU - 7.66 AU

Year: 10127 Days

Day: 19.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 37,946,765 km

• M1: 61,335 km (0.068 R)
• M2: 361,129 km (0.084 R)
• M3: 836,701 km (0.112 R)
• M4: 1,072,916 km (0.099 R)
• M5: 1,302,698 km (0.086 R)
• M6: 1,564,644 km (0.062 R)
• M7: 2,623,947 km (0.086 R)
• M8: 4,143,562 km (0.1 R)
• M9: 4,621,377 km (0.097 R)
• M10: 5,261,208 km (0.119 R)
• M11: 5,519,862 km (0.109 R)
• M12: 5,855,111 km (0.075 R)
• M13: 6,383,192 km (0.087 R)
• M14: 8,200,506 km (0.119 R)
• M15: 8,416,675 km (0.081 R)
• M16: 9,319,947 km (0.07 R)
• M17: 9,794,921 km (0.12 R)
• M18: 10,386,131 km (0.064 R)
• M19: 10,690,413 km (0.118 R)
• M20: 13,946,112 km (0.071 R)
• M21: 14,378,899 km (0.077 R)
• M22: 15,797,386 km (0.11 R)
• M23: 17,306,678 km (0.116 R)
• M24: 25,662,019 km (0.063 R)
• M25: 27,450,162 km (0.059 R)
• M26: 28,227,323 km (0.119 R)
• M27: 28,720,398 km (0.107 R)
• M28: 29,622,323 km (0.063 R)
• M29: 32,119,710 km (0.108 R)
• M30: 34,753,979 km (0.094 R)
• M31: 36,704,735 km (0.076 R)
• M32: 36,938,856 km (0.071 R)
• M33: 38,244,696 km (0.088 R)
• M34: 41,074,040 km (0.066 R)
• M35: 43,383,233 km (0.052 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 253.4

Radius: 5.5

Gravity: 8.38 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 5.87 AU - 7.69 AU

Year: 11581 Days

Day: 16.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 68.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,946,765 km

• M1: 69,713 km (0.11 R)
• M2: 444,904 km (0.114 R)
• M3: 711,338 km (0.031 R)
• M4: 2,298,122 km (0.108 R)
• M5: 2,492,600 km (0.12 R)
• M6: 3,951,029 km (0.074 R)
• M7: 7,927,191 km (0.095 R)
• M8: 8,708,391 km (0.106 R)
• M9: 10,712,704 km (0.081 R)
• M10: 21,883,775 km (0.115 R)
• M11: 22,679,785 km (0.083 R)
• M12: 23,412,665 km (0.053 R)
• M13: 23,660,399 km (0.052 R)
• M14: 24,161,103 km (0.111 R)
• M15: 25,097,586 km (0.043 R)
• M16: 25,356,989 km (0.111 R)
• M17: 26,413,000 km (0.094 R)
• M18: 30,339,944 km (0.098 R)
• M19: 30,536,067 km (0.12 R)
• M20: 34,746,050 km (0.077 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: 254 - 16,551 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit