🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.6

Radius: 8.6

Gravity: 9.47 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.44 AU - 0.7 AU

Year: 297 Days

Day: 10.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,591,603 km

• M1: 106,962 km (0.111 R)
• M2: 474,375 km (0.052 R)
• M3: 754,272 km (0.052 R)
• M4: 1,149,360 km (0.038 R)
• M5: 1,486,255 km (0.108 R)
• M6: 1,802,954 km (0.118 R)
• M7: 2,354,970 km (0.109 R)
• M8: 2,905,639 km (0.082 R)
• M9: 3,286,216 km (0.118 R)
• M10: 3,770,315 km (0.057 R)
• M11: 4,085,518 km (0.094 R)
• M12: 4,418,373 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.8

Radius: 10.1

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.85 AU - 0.95 AU

Year: 589 Days

Day: 9.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,591,603 km

• M1: 127,158 km (0.08 R)
• M2: 768,335 km (0.112 R)
• M3: 1,261,708 km (0.073 R)
• M4: 1,656,198 km (0.073 R)
• M5: 2,437,099 km (0.043 R)
• M6: 2,863,902 km (0.098 R)
• M7: 3,259,139 km (0.082 R)
• M8: 3,728,428 km (0.116 R)
• M9: 4,954,681 km (0.037 R)
• M10: 5,778,517 km (0.026 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.8

Radius: 12.9

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.3 AU - 1.62 AU

Year: 1218 Days

Day: 12.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,591,603 km

• M1: 160,369 km (0.114 R)
• M2: 583,282 km (0.103 R)
• M3: 998,416 km (0.107 R)
• M4: 1,406,818 km (0.094 R)
• M5: 2,189,963 km (0.093 R)
• M6: 2,681,691 km (0.111 R)
• M7: 3,091,590 km (0.09 R)
• M8: 3,842,571 km (0.074 R)
• M9: 6,324,848 km (0.12 R)
• M10: 6,985,772 km (0.087 R)
• M11: 7,796,891 km (0.1 R)
• M12: 8,417,872 km (0.082 R)
• M13: 8,926,804 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.2

Radius: 9.2

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.49 AU - 1.83 AU

Year: 1476 Days

Day: 11.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,591,603 km

• M1: 114,442 km (0.064 R)
• M2: 491,130 km (0.113 R)
• M3: 935,286 km (0.101 R)
• M4: 1,671,457 km (0.063 R)
• M5: 2,046,798 km (0.063 R)
• M6: 2,466,570 km (0.106 R)
• M7: 2,840,415 km (0.048 R)
• M8: 3,748,773 km (0.113 R)
• M9: 4,064,275 km (0.112 R)
• M10: 4,397,429 km (0.068 R)
• M11: 4,730,733 km (0.073 R)
• M12: 5,176,086 km (0.115 R)
• M13: 6,658,900 km (0.085 R)
• M14: 7,559,928 km (0.074 R)
• M15: 8,039,838 km (0.09 R)
• M16: 8,977,069 km (0.052 R)
• M17: 9,486,599 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.7

Radius: 8.6

Gravity: 8.8 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.92 AU - 2.54 AU

Year: 2299 Days

Day: 9.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,591,603 km

• M1: 107,112 km (0.047 R)
• M2: 398,379 km (0.117 R)
• M3: 803,789 km (0.107 R)
• M4: 1,873,863 km (0.06 R)
• M5: 2,606,593 km (0.061 R)
• M6: 3,447,932 km (0.106 R)
• M7: 5,981,222 km (0.078 R)
• M8: 6,530,695 km (0.045 R)
• M9: 6,999,984 km (0.064 R)
• M10: 7,700,401 km (0.11 R)
• M11: 12,579,835 km (0.035 R)
• M12: 15,704,036 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.7

Radius: 11.8

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.02 AU - 2.82 AU

Year: 2599 Days

Day: 7.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,591,603 km

• M1: 146,756 km (0.099 R)
• M2: 611,855 km (0.119 R)
• M3: 1,007,093 km (0.097 R)
• M4: 1,610,720 km (0.106 R)
• M5: 2,088,985 km (0.053 R)
• M6: 2,691,415 km (0.104 R)
• M7: 4,063,377 km (0.063 R)
• M8: 4,983,703 km (0.064 R)
• M9: 5,408,113 km (0.119 R)
• M10: 6,249,451 km (0.087 R)
• M11: 7,324,162 km (0.102 R)
• M12: 7,905,799 km (0.118 R)
• M13: 9,231,385 km (0.053 R)
• M14: 10,432,357 km (0.044 R)
• M15: 14,281,959 km (0.116 R)
• M16: 14,996,588 km (0.092 R)
• M17: 17,931,250 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 18.4

Radius: 3.1

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 5.73 AU - 6.97 AU

Year: 11045 Days

Day: 16.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 75,591,603 km

• M1: 39,344 km (0.115 R)
• M2: 2,902,049 km (0.086 R)
• M3: 4,030,615 km (0.039 R)
• M4: 10,009,893 km (0.065 R)
• M5: 10,218,432 km (0.066 R)
• M6: 10,607,985 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 591.1

Radius: 6.8

Gravity: 12.78 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 5.97 AU - 7.39 AU

Year: 11917 Days

Day: 24.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,591,603 km

• M1: 92,601 km (0.084 R)
• M2: 519,254 km (0.073 R)
• M3: 801,396 km (0.102 R)
• M4: 1,149,510 km (0.09 R)
• M5: 1,551,928 km (0.113 R)
• M6: 1,941,631 km (0.109 R)
• M7: 2,872,429 km (0.112 R)
• M8: 3,264,674 km (0.117 R)
• M9: 3,824,769 km (0.118 R)
• M10: 4,358,235 km (0.113 R)
• M11: 4,689,145 km (0.038 R)
• M12: 5,069,124 km (0.053 R)
• M13: 5,469,597 km (0.074 R)
• M14: 6,146,378 km (0.099 R)
• M15: 6,447,519 km (0.105 R)
• M16: 8,059,136 km (0.104 R)
• M17: 9,174,688 km (0.103 R)
• M18: 9,618,395 km (0.08 R)
• M19: 9,871,066 km (0.084 R)
• M20: 10,442,530 km (0.112 R)
• M21: 12,171,732 km (0.057 R)
• M22: 14,018,816 km (0.042 R)
• M23: 14,409,417 km (0.074 R)
• M24: 15,625,049 km (0.117 R)
• M25: 15,904,198 km (0.072 R)
• M26: 16,761,693 km (0.104 R)
• M27: 20,501,491 km (0.108 R)
• M28: 22,299,507 km (0.053 R)
• M29: 23,282,066 km (0.099 R)
• M30: 30,872,812 km (0.108 R)
• M31: 39,186,265 km (0.065 R)
• M32: 42,348,165 km (0.106 R)
• M33: 48,283,311 km (0.11 R)
• M34: 49,773,904 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 827.9

Radius: 3.7

Gravity: 60.47 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.72 AU - 7.64 AU

Year: 11917 Days

Day: 22.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 75,591,603 km

• M1: 46,076 km (0.116 R)
• M2: 210,185 km (0.113 R)
• M3: 484,398 km (0.106 R)
• M4: 819,048 km (0.06 R)
• M5: 963,709 km (0.108 R)
• M6: 2,014,635 km (0.053 R)
• M7: 3,998,302 km (0.084 R)
• M8: 4,479,259 km (0.057 R)
• M9: 5,306,536 km (0.086 R)
• M10: 5,849,127 km (0.108 R)
• M11: 6,037,920 km (0.059 R)
• M12: 6,669,522 km (0.111 R)
• M13: 7,128,488 km (0.113 R)
• M14: 8,016,501 km (0.106 R)
• M15: 8,487,136 km (0.062 R)
• M16: 10,225,014 km (0.119 R)
• M17: 10,834,476 km (0.119 R)
• M18: 11,062,015 km (0.059 R)
• M19: 11,177,055 km (0.058 R)
• M20: 15,008,406 km (0.115 R)
• M21: 15,940,252 km (0.119 R)
• M22: 17,448,348 km (0.117 R)
• M23: 21,628,860 km (0.04 R)
• M24: 25,618,785 km (0.068 R)
• M25: 26,124,127 km (0.113 R)
• M26: 26,636,200 km (0.11 R)
• M27: 26,842,795 km (0.113 R)
• M28: 27,469,161 km (0.109 R)
• M29: 34,400,330 km (0.097 R)
• M30: 41,434,122 km (0.036 R)
• M31: 46,619,932 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 924.7

Radius: 5.6

Gravity: 29.49 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 6.65 AU - 10.31 AU

Year: 17045 Days

Day: 16.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 75,591,603 km

• M1: 69,713 km (0.113 R)
• M2: 259,552 km (0.096 R)
• M3: 481,406 km (0.072 R)
• M4: 988,543 km (0.069 R)
• M5: 1,475,035 km (0.081 R)
• M6: 1,930,710 km (0.079 R)
• M7: 2,498,284 km (0.115 R)
• M8: 3,117,171 km (0.112 R)
• M9: 3,957,462 km (0.04 R)
• M10: 4,213,723 km (0.118 R)
• M11: 5,785,698 km (0.065 R)
• M12: 6,415,505 km (0.074 R)
• M13: 6,860,259 km (0.111 R)
• M14: 7,860,620 km (0.114 R)
• M15: 9,229,441 km (0.073 R)
• M16: 10,997,837 km (0.114 R)
• M17: 12,094,240 km (0.065 R)
• M18: 12,634,587 km (0.068 R)
• M19: 13,690,898 km (0.109 R)
• M20: 15,659,307 km (0.078 R)
• M21: 17,722,561 km (0.117 R)
• M22: 20,809,812 km (0.118 R)
• M23: 21,781,899 km (0.099 R)
• M24: 22,480,072 km (0.047 R)
• M25: 23,296,128 km (0.086 R)
• M26: 24,771,612 km (0.099 R)
• M27: 25,973,631 km (0.057 R)
• M28: 28,493,607 km (0.111 R)
• M29: 31,803,161 km (0.05 R)
• M30: 33,484,342 km (0.115 R)
• M31: 37,730,677 km (0.09 R)
• M32: 38,016,409 km (0.051 R)
• M33: 40,652,773 km (0.049 R)
• M34: 51,360,539 km (0.091 R)
• M35: 55,308,876 km (0.025 R)
• M36: 57,923,996 km (0.106 R)
• M37: 58,686,197 km (0.117 R)
• M38: 70,283,473 km (0.104 R)
• M39: 71,368,058 km (0.034 R)
• M40: 74,464,435 km (0.139 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 277 - 11,139 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit