🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.1

Radius: 12.3

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.73 AU - 1.01 AU

Year: 541 Days

Day: 5.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 71,841,595 km

• M1: 187,297 km (0.052 R)
• M2: 623,524 km (0.038 R)
• M3: 1,028,485 km (0.036 R)
• M4: 1,634,207 km (0.037 R)
• M5: 2,540,920 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349

Radius: 11.1

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.87 AU - 1.23 AU

Year: 717 Days

Day: 8.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,841,595 km

• M1: 139,126 km (0.069 R)
• M2: 513,121 km (0.076 R)
• M3: 937,380 km (0.099 R)
• M4: 1,673,103 km (0.094 R)
• M5: 2,301,414 km (0.112 R)
• M6: 3,245,077 km (0.075 R)
• M7: 4,056,945 km (0.088 R)
• M8: 4,809,272 km (0.112 R)
• M9: 5,479,620 km (0.112 R)
• M10: 5,918,092 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.4

Radius: 12.2

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.48 AU - 1.92 AU

Year: 1478 Days

Day: 9.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,841,595 km

• M1: 152,889 km (0.095 R)
• M2: 571,015 km (0.109 R)
• M3: 1,059,153 km (0.119 R)
• M4: 2,570,540 km (0.077 R)
• M5: 2,983,580 km (0.031 R)
• M6: 3,875,482 km (0.102 R)
• M7: 5,716,733 km (0.056 R)
• M8: 6,329,336 km (0.091 R)
• M9: 6,959,293 km (0.065 R)
• M10: 8,885,964 km (0.081 R)
• M11: 9,906,371 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.2

Radius: 13.8

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.17 AU - 2.61 AU

Year: 2464 Days

Day: 5.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,841,595 km

• M1: 172,187 km (0.06 R)
• M2: 661,372 km (0.089 R)
• M3: 1,389,465 km (0.069 R)
• M4: 2,490,206 km (0.11 R)
• M5: 3,112,683 km (0.096 R)
• M6: 3,856,633 km (0.106 R)
• M7: 4,374,691 km (0.074 R)
• M8: 5,877,401 km (0.097 R)
• M9: 7,250,261 km (0.118 R)
• M10: 9,065,481 km (0.041 R)
• M11: 9,625,426 km (0.067 R)
• M12: 13,307,179 km (0.095 R)
• M13: 15,362,953 km (0.097 R)
• M14: 16,110,045 km (0.086 R)
• M15: 17,302,340 km (0.108 R)
• M16: 18,776,178 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.7

Radius: 14.6

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.2 AU - 2.88 AU

Year: 2699 Days

Day: 12.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,841,595 km

• M1: 183,108 km (0.06 R)
• M2: 653,593 km (0.112 R)
• M3: 1,462,469 km (0.113 R)
• M4: 2,011,643 km (0.092 R)
• M5: 2,484,073 km (0.112 R)
• M6: 4,913,243 km (0.116 R)
• M7: 5,577,906 km (0.118 R)
• M8: 7,258,489 km (0.057 R)
• M9: 8,017,847 km (0.094 R)
• M10: 10,273,335 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.5

Radius: 10

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.47 AU - 3.57 AU

Year: 3500 Days

Day: 12.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,841,595 km

• M1: 124,465 km (0.103 R)
• M2: 1,207,255 km (0.112 R)
• M3: 1,558,062 km (0.076 R)
• M4: 1,938,639 km (0.107 R)
• M5: 2,907,435 km (0.091 R)
• M6: 3,226,228 km (0.101 R)
• M7: 5,368,918 km (0.073 R)
• M8: 6,075,768 km (0.115 R)
• M9: 6,630,626 km (0.053 R)
• M10: 7,542,425 km (0.034 R)
• M11: 8,679,070 km (0.12 R)
• M12: 9,536,415 km (0.096 R)
• M13: 12,219,453 km (0.081 R)
• M14: 12,633,241 km (0.072 R)
• M15: 13,586,479 km (0.084 R)
• M16: 14,948,567 km (0.12 R)
• M17: 21,446,500 km (0.12 R)
• M18: 23,358,960 km (0.048 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.2

Radius: 11.5

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.55 AU - 5.57 AU

Year: 7590 Days

Day: 5.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,841,595 km

• M1: 146,157 km (0.093 R)
• M2: 599,139 km (0.091 R)
• M3: 1,138,889 km (0.058 R)
• M4: 2,023,910 km (0.116 R)
• M5: 2,615,868 km (0.075 R)
• M6: 3,503,881 km (0.082 R)
• M7: 4,253,815 km (0.11 R)
• M8: 5,291,576 km (0.094 R)
• M9: 5,705,364 km (0.027 R)
• M10: 6,349,233 km (0.097 R)
• M11: 7,424,692 km (0.102 R)
• M12: 8,318,689 km (0.054 R)
• M13: 8,704,651 km (0.05 R)
• M14: 11,329,047 km (0.062 R)
• M15: 14,441,580 km (0.079 R)
• M16: 14,874,815 km (0.095 R)
• M17: 15,508,811 km (0.066 R)
• M18: 16,359,874 km (0.112 R)
• M19: 19,026,456 km (0.108 R)
• M20: 21,647,111 km (0.096 R)
• M21: 26,565,739 km (0.067 R)
• M22: 27,216,939 km (0.103 R)
• M23: 28,454,712 km (0.052 R)
• M24: 29,136,429 km (0.04 R)
• M25: 30,129,310 km (0.077 R)
• M26: 34,217,820 km (0.074 R)
• M27: 36,337,622 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 499.1

Radius: 6.8

Gravity: 10.79 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 6.14 AU - 6.86 AU

Year: 11051 Days

Day: 23.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 71,841,595 km

• M1: 84,822 km (0.111 R)
• M2: 310,715 km (0.107 R)
• M3: 554,859 km (0.041 R)
• M4: 902,823 km (0.093 R)
• M5: 1,455,438 km (0.072 R)
• M6: 1,708,408 km (0.084 R)
• M7: 2,108,732 km (0.085 R)
• M8: 2,942,291 km (0.099 R)
• M9: 3,494,008 km (0.088 R)
• M10: 3,794,700 km (0.058 R)
• M11: 4,593,103 km (0.107 R)
• M12: 5,802,453 km (0.105 R)
• M13: 6,370,326 km (0.079 R)
• M14: 7,250,710 km (0.104 R)
• M15: 8,517,504 km (0.078 R)
• M16: 12,664,208 km (0.05 R)
• M17: 14,237,529 km (0.099 R)
• M18: 15,666,936 km (0.107 R)
• M19: 16,209,677 km (0.063 R)
• M20: 16,555,248 km (0.118 R)
• M21: 17,047,126 km (0.106 R)
• M22: 17,260,902 km (0.109 R)
• M23: 18,060,353 km (0.112 R)
• M24: 19,498,736 km (0.05 R)
• M25: 20,206,035 km (0.119 R)
• M26: 21,011,919 km (0.107 R)
• M27: 23,823,311 km (0.109 R)
• M28: 26,018,959 km (0.062 R)
• M29: 38,185,156 km (0.094 R)
• M30: 43,929,564 km (0.116 R)
• M31: 45,279,984 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 451.8

Radius: 3.5

Gravity: 36.88 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 6.6 AU - 8.86 AU

Year: 14332 Days

Day: 21.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 94 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,841,595 km

• M1: 44,131 km (0.076 R)
• M2: 182,809 km (0.11 R)
• M3: 813,364 km (0.079 R)
• M4: 1,257,370 km (0.039 R)
• M5: 1,846,038 km (0.036 R)
• M6: 2,793,591 km (0.101 R)
• M7: 3,067,654 km (0.031 R)
• M8: 3,235,652 km (0.112 R)
• M9: 4,140,420 km (0.085 R)
• M10: 4,375,588 km (0.054 R)
• M11: 6,164,479 km (0.086 R)
• M12: 7,114,725 km (0.113 R)
• M13: 10,490,700 km (0.106 R)
• M14: 11,262,924 km (0.069 R)
• M15: 11,547,609 km (0.101 R)
• M16: 12,491,123 km (0.09 R)
• M17: 14,066,239 km (0.068 R)
• M18: 17,376,989 km (0.118 R)
• M19: 19,333,131 km (0.049 R)
• M20: 22,850,626 km (0.075 R)
• M21: 33,399,221 km (0.052 R)
• M22: 34,342,136 km (0.11 R)
• M23: 34,580,595 km (0.101 R)
• M24: 36,404,343 km (0.095 R)
• M25: 38,934,342 km (0.096 R)
• M26: 45,193,068 km (0.05 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 603

Radius: 3.7

Gravity: 44.05 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 7.22 AU - 11.8 AU

Year: 19557 Days

Day: 15.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,841,595 km

• M1: 71,657 km (0.061 R)
• M2: 1,506,750 km (0.089 R)
• M3: 1,796,970 km (0.071 R)
• M4: 2,579,516 km (0.048 R)
• M5: 2,867,941 km (0.042 R)
• M6: 3,712,271 km (0.108 R)
• M7: 5,214,683 km (0.04 R)
• M8: 5,714,489 km (0.108 R)
• M9: 6,764,367 km (0.05 R)
• M10: 13,342,036 km (0.072 R)
• M11: 20,686,992 km (0.115 R)
• M12: 30,577,805 km (0.093 R)
• M13: 32,314,935 km (0.076 R)
• M14: 48,806,156 km (0.09 R)
• M15: 51,001,654 km (0.082 R)
• M16: 53,262,227 km (0.12 R)
• M17: 53,438,753 km (0.095 R)
• M18: 58,356,035 km (0.072 R)
• M19: 62,972,476 km (0.073 R)
• M20: 64,563,898 km (0.025 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 12,829 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit