🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.8

Radius: 8.7

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.68 AU - 0.82 AU

Year: 448 Days

Day: 6.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,302,596 km

• M1: 108,458 km (0.082 R)
• M2: 391,498 km (0.113 R)
• M3: 731,534 km (0.11 R)
• M4: 1,053,468 km (0.071 R)
• M5: 1,654,852 km (0.042 R)
• M6: 2,008,950 km (0.105 R)
• M7: 2,749,758 km (0.065 R)
• M8: 3,202,142 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.5

Radius: 13.5

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.85 AU - 2.63 AU

Year: 2314 Days

Day: 5.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,302,596 km

• M1: 169,195 km (0.091 R)
• M2: 626,665 km (0.097 R)
• M3: 1,102,237 km (0.047 R)
• M4: 1,793,678 km (0.11 R)
• M5: 2,438,445 km (0.047 R)
• M6: 2,935,260 km (0.096 R)
• M7: 4,428,995 km (0.056 R)
• M8: 5,899,093 km (0.08 R)
• M9: 6,492,548 km (0.059 R)
• M10: 7,155,266 km (0.098 R)
• M11: 7,642,506 km (0.083 R)
• M12: 8,820,739 km (0.079 R)
• M13: 9,525,794 km (0.074 R)
• M14: 11,453,811 km (0.118 R)
• M15: 12,165,000 km (0.109 R)
• M16: 12,640,870 km (0.084 R)
• M17: 13,908,264 km (0.03 R)
• M18: 14,524,906 km (0.081 R)
• M19: 16,642,464 km (0.118 R)
• M20: 17,446,403 km (0.1 R)
• M21: 19,776,240 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.3

Radius: 10.2

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.22 AU - 2.58 AU

Year: 2566 Days

Day: 7.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,302,596 km

• M1: 126,859 km (0.061 R)
• M2: 446,400 km (0.115 R)
• M3: 799,301 km (0.12 R)
• M4: 1,168,958 km (0.064 R)
• M5: 1,573,022 km (0.114 R)
• M6: 2,498,733 km (0.069 R)
• M7: 3,130,335 km (0.07 R)
• M8: 3,590,349 km (0.077 R)
• M9: 3,959,856 km (0.088 R)
• M10: 4,710,837 km (0.038 R)
• M11: 5,293,521 km (0.114 R)
• M12: 6,548,796 km (0.099 R)
• M13: 6,961,537 km (0.032 R)
• M14: 8,560,888 km (0.069 R)
• M15: 9,360,339 km (0.096 R)
• M16: 11,497,793 km (0.074 R)
• M17: 12,722,401 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.9

Radius: 11.5

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.64 AU - 4.24 AU

Year: 5398 Days

Day: 10.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 90.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,302,596 km

• M1: 143,165 km (0.088 R)
• M2: 562,937 km (0.111 R)
• M3: 1,073,215 km (0.101 R)
• M4: 1,565,991 km (0.051 R)
• M5: 2,042,310 km (0.084 R)
• M6: 3,125,698 km (0.036 R)
• M7: 3,601,868 km (0.106 R)
• M8: 4,038,843 km (0.06 R)
• M9: 5,407,365 km (0.045 R)
• M10: 6,751,202 km (0.05 R)
• M11: 7,256,095 km (0.1 R)
• M12: 7,752,162 km (0.082 R)
• M13: 8,812,511 km (0.106 R)
• M14: 9,416,288 km (0.092 R)
• M15: 10,833,279 km (0.098 R)
• M16: 12,387,900 km (0.111 R)
• M17: 13,340,390 km (0.066 R)
• M18: 14,289,888 km (0.084 R)
• M19: 15,017,831 km (0.103 R)
• M20: 15,552,943 km (0.119 R)
• M21: 17,061,188 km (0.087 R)
• M22: 22,307,436 km (0.044 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 398.9

Radius: 5.7

Gravity: 12.28 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 6.3 AU - 7.02 AU

Year: 11864 Days

Day: 18.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,302,596 km

• M1: 70,909 km (0.102 R)
• M2: 302,786 km (0.053 R)
• M3: 622,926 km (0.119 R)
• M4: 858,093 km (0.074 R)
• M5: 1,292,226 km (0.082 R)
• M6: 1,754,633 km (0.04 R)
• M7: 2,606,892 km (0.039 R)
• M8: 3,272,005 km (0.068 R)
• M9: 3,886,104 km (0.042 R)
• M10: 5,770,588 km (0.109 R)
• M11: 6,588,889 km (0.079 R)
• M12: 7,603,910 km (0.084 R)
• M13: 8,854,698 km (0.118 R)
• M14: 9,841,894 km (0.069 R)
• M15: 12,946,948 km (0.108 R)
• M16: 13,241,805 km (0.101 R)
• M17: 13,481,012 km (0.08 R)
• M18: 14,529,394 km (0.117 R)
• M19: 16,441,704 km (0.081 R)
• M20: 16,857,286 km (0.093 R)
• M21: 18,664,728 km (0.049 R)
• M22: 19,116,962 km (0.029 R)
• M23: 20,279,637 km (0.046 R)
• M24: 21,488,537 km (0.103 R)
• M25: 28,857,130 km (0.118 R)
• M26: 29,360,377 km (0.096 R)
• M27: 29,869,459 km (0.032 R)
• M28: 36,679,902 km (0.107 R)
• M29: 37,747,283 km (0.08 R)
• M30: 39,571,928 km (0.067 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 704

Radius: 4.5

Gravity: 34.77 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.96 AU - 8.12 AU

Year: 12893 Days

Day: 23.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,302,596 km

• M1: 55,950 km (0.119 R)
• M2: 253,120 km (0.105 R)
• M3: 507,137 km (0.114 R)
• M4: 673,938 km (0.086 R)
• M5: 867,219 km (0.109 R)
• M6: 1,157,888 km (0.085 R)
• M7: 1,367,325 km (0.105 R)
• M8: 2,266,557 km (0.071 R)
• M9: 2,510,402 km (0.062 R)
• M10: 3,172,522 km (0.087 R)
• M11: 3,348,300 km (0.091 R)
• M12: 4,703,357 km (0.065 R)
• M13: 7,784,624 km (0.114 R)
• M14: 9,020,303 km (0.114 R)
• M15: 9,272,076 km (0.085 R)
• M16: 9,684,667 km (0.119 R)
• M17: 10,271,839 km (0.059 R)
• M18: 10,435,947 km (0.115 R)
• M19: 10,657,652 km (0.055 R)
• M20: 10,995,892 km (0.086 R)
• M21: 12,114,735 km (0.114 R)
• M22: 13,178,076 km (0.113 R)
• M23: 16,589,057 km (0.075 R)
• M24: 17,043,386 km (0.111 R)
• M25: 29,366,212 km (0.081 R)
• M26: 30,592,017 km (0.109 R)
• M27: 31,619,904 km (0.092 R)
• M28: 36,468,071 km (0.1 R)
• M29: 37,493,714 km (0.107 R)
• M30: 38,013,567 km (0.1 R)
• M31: 43,910,416 km (0.073 R)
• M32: 49,604,260 km (0.102 R)
• M33: 49,760,441 km (0.076 R)
• M34: 54,931,740 km (0.109 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 207 - 17,865 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit