🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.3

Radius: 14.4

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.72 AU - 0.9 AU

Year: 512 Days

Day: 12.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,710,211 km

• M1: 179,069 km (0.111 R)
• M2: 711,039 km (0.046 R)
• M3: 1,304,045 km (0.102 R)
• M4: 1,907,373 km (0.092 R)
• M5: 2,439,492 km (0.106 R)
• M6: 2,908,482 km (0.036 R)
• M7: 3,774,653 km (0.091 R)
• M8: 4,807,028 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.1

Radius: 8.7

Gravity: 8.6 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.8 AU - 1.2 AU

Year: 703 Days

Day: 6.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,710,211 km

• M1: 108,159 km (0.044 R)
• M2: 411,245 km (0.106 R)
• M3: 825,032 km (0.088 R)
• M4: 1,355,207 km (0.12 R)
• M5: 1,932,356 km (0.079 R)
• M6: 2,587,146 km (0.117 R)
• M7: 3,252,557 km (0.109 R)
• M8: 3,968,233 km (0.12 R)
• M9: 5,005,844 km (0.086 R)
• M10: 5,523,153 km (0.104 R)
• M11: 6,154,756 km (0.096 R)
• M12: 6,519,026 km (0.074 R)
• M13: 6,962,135 km (0.065 R)
• M14: 7,515,797 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.5

Radius: 10.3

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.87 AU - 2.91 AU

Year: 2597 Days

Day: 12.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,710,211 km

• M1: 128,205 km (0.113 R)
• M2: 466,596 km (0.094 R)
• M3: 805,435 km (0.065 R)
• M4: 1,991,596 km (0.081 R)
• M5: 2,394,015 km (0.072 R)
• M6: 2,835,628 km (0.11 R)
• M7: 3,555,792 km (0.112 R)
• M8: 4,133,240 km (0.048 R)
• M9: 4,538,201 km (0.11 R)
• M10: 5,619,345 km (0.045 R)
• M11: 6,117,506 km (0.042 R)
• M12: 7,116,820 km (0.117 R)
• M13: 7,670,631 km (0.098 R)
• M14: 8,221,600 km (0.099 R)
• M15: 10,105,935 km (0.078 R)
• M16: 10,618,756 km (0.075 R)
• M17: 12,262,089 km (0.029 R)
• M18: 13,187,501 km (0.106 R)
• M19: 13,978,874 km (0.068 R)
• M20: 14,386,229 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.1

Radius: 8.6

Gravity: 12.32 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.38 AU - 4.56 AU

Year: 5560 Days

Day: 11.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,710,211 km

• M1: 106,962 km (0.106 R)
• M2: 387,010 km (0.115 R)
• M3: 2,702,336 km (0.096 R)
• M4: 2,991,957 km (0.061 R)
• M5: 3,867,703 km (0.079 R)
• M6: 5,640,887 km (0.102 R)
• M7: 6,248,105 km (0.092 R)
• M8: 8,292,808 km (0.103 R)
• M9: 8,658,725 km (0.099 R)
• M10: 9,510,385 km (0.113 R)
• M11: 9,866,279 km (0.09 R)
• M12: 10,185,072 km (0.026 R)
• M13: 10,891,174 km (0.1 R)
• M14: 11,579,324 km (0.115 R)
• M15: 13,206,051 km (0.119 R)
• M16: 14,160,037 km (0.036 R)
• M17: 14,860,604 km (0.104 R)
• M18: 16,713,074 km (0.107 R)
• M19: 17,495,471 km (0.1 R)
• M20: 18,098,051 km (0.063 R)
• M21: 20,945,048 km (0.073 R)
• M22: 28,599,373 km (0.048 R)
• M23: 34,172,342 km (0.1 R)
• M24: 34,588,673 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.7

Radius: 9.7

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.48 AU - 5.44 AU

Year: 6621 Days

Day: 10.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,710,211 km

• M1: 149,149 km (0.11 R)
• M2: 685,607 km (0.098 R)
• M3: 1,145,471 km (0.076 R)
• M4: 1,638,845 km (0.099 R)
• M5: 2,401,943 km (0.074 R)
• M6: 3,037,136 km (0.108 R)
• M7: 3,989,775 km (0.115 R)
• M8: 4,688,248 km (0.108 R)
• M9: 7,373,829 km (0.084 R)
• M10: 7,736,005 km (0.074 R)
• M11: 8,075,293 km (0.09 R)
• M12: 9,004,745 km (0.103 R)
• M13: 10,695,949 km (0.114 R)
• M14: 11,032,394 km (0.074 R)
• M15: 11,506,769 km (0.1 R)
• M16: 15,376,417 km (0.108 R)
• M17: 15,968,675 km (0.079 R)
• M18: 17,836,853 km (0.102 R)
• M19: 19,037,526 km (0.07 R)
• M20: 21,466,098 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.5

Radius: 14.3

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 4.64 AU - 5.1 AU

Year: 7554 Days

Day: 8.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 72,710,211 km

• M1: 177,872 km (0.064 R)
• M2: 875,148 km (0.079 R)
• M3: 1,322,595 km (0.074 R)
• M4: 1,855,014 km (0.072 R)
• M5: 2,300,067 km (0.117 R)
• M6: 3,368,346 km (0.071 R)
• M7: 4,890,055 km (0.074 R)
• M8: 5,530,334 km (0.07 R)
• M9: 6,471,005 km (0.113 R)
• M10: 7,017,337 km (0.108 R)
• M11: 7,634,129 km (0.094 R)
• M12: 8,286,824 km (0.062 R)
• M13: 10,520,620 km (0.09 R)
• M14: 11,644,249 km (0.039 R)
• M15: 12,566,221 km (0.055 R)
• M16: 14,009,841 km (0.059 R)
• M17: 15,561,320 km (0.098 R)
• M18: 19,225,720 km (0.089 R)
• M19: 24,548,113 km (0.116 R)
• M20: 27,640,151 km (0.042 R)
• M21: 28,307,657 km (0.065 R)
• M22: 30,374,800 km (0.114 R)
• M23: 31,188,014 km (0.083 R)
• M24: 35,811,037 km (0.101 R)
• M25: 36,262,973 km (0.046 R)
• M26: 39,055,516 km (0.097 R)
• M27: 40,138,754 km (0.037 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 153.6

Radius: 5.5

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 5.19 AU - 7.65 AU

Year: 11434 Days

Day: 21 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 72,710,211 km

• M1: 68,366 km (0.113 R)
• M2: 282,890 km (0.12 R)
• M3: 1,061,546 km (0.087 R)
• M4: 1,241,662 km (0.083 R)
• M5: 1,466,059 km (0.078 R)
• M6: 1,910,066 km (0.08 R)
• M7: 3,538,588 km (0.104 R)
• M8: 4,136,232 km (0.047 R)
• M9: 5,016,316 km (0.108 R)
• M10: 5,829,679 km (0.115 R)
• M11: 7,316,084 km (0.12 R)
• M12: 7,604,509 km (0.117 R)
• M13: 13,906,618 km (0.111 R)
• M14: 14,293,628 km (0.058 R)
• M15: 15,734,255 km (0.111 R)
• M16: 17,975,082 km (0.075 R)
• M17: 18,434,198 km (0.096 R)
• M18: 18,766,903 km (0.105 R)
• M19: 20,633,137 km (0.075 R)
• M20: 21,136,384 km (0.094 R)
• M21: 21,354,647 km (0.111 R)
• M22: 22,167,562 km (0.104 R)
• M23: 22,924,228 km (0.114 R)
• M24: 24,170,678 km (0.04 R)
• M25: 25,134,686 km (0.057 R)
• M26: 28,180,050 km (0.078 R)
• M27: 28,799,535 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 715.5

Radius: 6.1

Gravity: 19.23 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 6.04 AU - 9.7 AU

Year: 15519 Days

Day: 16.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 72,710,211 km

• M1: 76,295 km (0.084 R)
• M2: 286,929 km (0.086 R)
• M3: 551,268 km (0.094 R)
• M4: 1,155,494 km (0.116 R)
• M5: 1,415,345 km (0.036 R)
• M6: 1,680,433 km (0.097 R)
• M7: 1,923,380 km (0.06 R)
• M8: 2,189,664 km (0.118 R)
• M9: 2,415,856 km (0.109 R)
• M10: 2,940,047 km (0.107 R)
• M11: 4,243,194 km (0.055 R)
• M12: 4,530,871 km (0.09 R)
• M13: 5,398,838 km (0.101 R)
• M14: 6,372,720 km (0.092 R)
• M15: 7,098,569 km (0.095 R)
• M16: 7,504,428 km (0.081 R)
• M17: 9,606,278 km (0.107 R)
• M18: 11,820,177 km (0.081 R)
• M19: 12,454,771 km (0.094 R)
• M20: 15,519,582 km (0.087 R)
• M21: 18,542,058 km (0.098 R)
• M22: 19,138,654 km (0.054 R)
• M23: 21,935,087 km (0.064 R)
• M24: 22,698,635 km (0.083 R)
• M25: 23,578,719 km (0.085 R)
• M26: 25,720,362 km (0.093 R)
• M27: 39,223,814 km (0.116 R)
• M28: 44,601,408 km (0.12 R)
• M29: 45,671,183 km (0.033 R)
• M30: 50,780,100 km (0.094 R)
• M31: 56,257,177 km (0.105 R)
• M32: 57,505,571 km (0.099 R)
• M33: 64,801,010 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 635.2

Radius: 6.2

Gravity: 16.52 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 8.35 AU - 8.93 AU

Year: 17852 Days

Day: 21.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 72,710,211 km

• M1: 77,791 km (0.067 R)
• M2: 290,968 km (0.1 R)
• M3: 540,946 km (0.099 R)
• M4: 779,255 km (0.105 R)
• M5: 1,216,380 km (0.057 R)
• M6: 1,521,710 km (0.039 R)
• M7: 1,823,149 km (0.105 R)
• M8: 2,204,175 km (0.12 R)
• M9: 2,457,594 km (0.11 R)
• M10: 3,022,924 km (0.08 R)
• M11: 3,418,162 km (0.063 R)
• M12: 3,642,708 km (0.056 R)
• M13: 4,215,818 km (0.11 R)
• M14: 5,850,474 km (0.058 R)
• M15: 6,091,027 km (0.103 R)
• M16: 7,487,224 km (0.078 R)
• M17: 9,461,916 km (0.045 R)
• M18: 12,868,409 km (0.098 R)
• M19: 13,552,221 km (0.102 R)
• M20: 18,257,822 km (0.102 R)
• M21: 19,033,187 km (0.114 R)
• M22: 19,473,304 km (0.059 R)
• M23: 20,927,396 km (0.109 R)
• M24: 23,542,965 km (0.103 R)
• M25: 29,412,437 km (0.116 R)
• M26: 30,476,826 km (0.1 R)
• M27: 33,440,659 km (0.073 R)
• M28: 33,824,228 km (0.079 R)
• M29: 39,221,420 km (0.11 R)
• M30: 42,272,170 km (0.117 R)
• M31: 42,870,711 km (0.032 R)
• M32: 49,665,895 km (0.074 R)
• M33: 54,456,019 km (0.08 R)
• M34: 57,326,951 km (0.113 R)
• M35: 67,148,949 km (0.104 R)
• M36: 68,373,408 km (0.098 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 613.4

Radius: 6.4

Gravity: 14.98 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 8.39 AU - 10.09 AU

Year: 19743 Days

Day: 24.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 72,710,211 km

• M1: 80,334 km (0.112 R)
• M2: 310,266 km (0.082 R)
• M3: 723,754 km (0.062 R)
• M4: 1,283,849 km (0.106 R)
• M5: 1,725,761 km (0.108 R)
• M6: 2,504,418 km (0.063 R)
• M7: 2,834,730 km (0.107 R)
• M8: 3,166,987 km (0.109 R)
• M9: 4,065,023 km (0.06 R)
• M10: 4,693,184 km (0.1 R)
• M11: 5,159,032 km (0.104 R)
• M12: 5,734,236 km (0.105 R)
• M13: 6,566,599 km (0.033 R)
• M14: 7,962,347 km (0.071 R)
• M15: 12,630,847 km (0.091 R)
• M16: 13,672,348 km (0.072 R)
• M17: 17,896,992 km (0.101 R)
• M18: 18,588,732 km (0.115 R)
• M19: 18,852,772 km (0.038 R)
• M20: 26,739,572 km (0.117 R)
• M21: 30,232,982 km (0.096 R)
• M22: 32,341,713 km (0.063 R)
• M23: 33,108,851 km (0.073 R)
• M24: 33,496,908 km (0.056 R)
• M25: 35,213,693 km (0.116 R)
• M26: 36,849,696 km (0.031 R)
• M27: 39,979,433 km (0.075 R)
• M28: 40,272,495 km (0.095 R)
• M29: 42,974,532 km (0.09 R)
• M30: 43,746,008 km (0.065 R)
• M31: 47,413,998 km (0.03 R)
• M32: 47,742,365 km (0.115 R)
• M33: 50,937,477 km (0.1 R)
• M34: 51,454,786 km (0.048 R)
• M35: 59,638,538 km (0.113 R)
• M36: 62,548,067 km (0.117 R)
• M37: 64,338,454 km (0.062 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: 174 - 12,819 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit