🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.2

Radius: 13.7

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.58 AU - 0.84 AU

Year: 399 Days

Day: 8.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,492,594 km

• M1: 170,392 km (0.105 R)
• M2: 654,341 km (0.077 R)
• M3: 1,162,675 km (0.11 R)
• M4: 1,747,303 km (0.102 R)
• M5: 2,694,706 km (0.117 R)
• M6: 4,361,825 km (0.083 R)
• M7: 5,764,754 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.7

Radius: 13.1

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.7 AU - 0.86 AU

Year: 459 Days

Day: 10.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 53,492,594 km

• M1: 164,258 km (0.115 R)
• M2: 739,013 km (0.098 R)
• M3: 1,875,060 km (0.102 R)
• M4: 2,661,047 km (0.091 R)
• M5: 3,851,248 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.8

Radius: 13.9

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.65 AU - 1.03 AU

Year: 513 Days

Day: 10.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,492,594 km

• M1: 172,935 km (0.11 R)
• M2: 631,901 km (0.1 R)
• M3: 1,247,048 km (0.069 R)
• M4: 1,681,181 km (0.098 R)
• M5: 2,282,415 km (0.119 R)
• M6: 2,796,283 km (0.098 R)
• M7: 3,460,797 km (0.048 R)
• M8: 4,102,722 km (0.079 R)
• M9: 5,489,643 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.6

Radius: 12.3

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.78 AU - 1.28 AU

Year: 697 Days

Day: 5.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,492,594 km

• M1: 153,936 km (0.086 R)
• M2: 557,551 km (0.106 R)
• M3: 978,220 km (0.044 R)
• M4: 1,487,452 km (0.102 R)
• M5: 1,884,784 km (0.03 R)
• M6: 2,354,222 km (0.112 R)
• M7: 3,077,228 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.8

Radius: 9.4

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.1 AU - 1.72 AU

Year: 1116 Days

Day: 12.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,492,594 km

• M1: 117,135 km (0.106 R)
• M2: 423,811 km (0.06 R)
• M3: 737,817 km (0.091 R)
• M4: 1,048,232 km (0.117 R)
• M5: 1,757,326 km (0.099 R)
• M6: 2,207,167 km (0.091 R)
• M7: 2,707,422 km (0.107 R)
• M8: 3,127,343 km (0.064 R)
• M9: 3,713,318 km (0.084 R)
• M10: 4,370,651 km (0.079 R)
• M11: 4,875,544 km (0.077 R)
• M12: 5,418,884 km (0.089 R)
• M13: 6,421,339 km (0.082 R)
• M14: 7,417,511 km (0.084 R)
• M15: 8,678,472 km (0.099 R)
• M16: 8,986,643 km (0.074 R)
• M17: 9,985,359 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.8

Radius: 14.5

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.18 AU - 2.44 AU

Year: 2341 Days

Day: 8.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,492,594 km

• M1: 180,415 km (0.026 R)
• M2: 755,320 km (0.109 R)
• M3: 1,301,352 km (0.048 R)
• M4: 1,858,454 km (0.079 R)
• M5: 2,330,286 km (0.082 R)
• M6: 3,022,924 km (0.08 R)
• M7: 4,802,690 km (0.064 R)
• M8: 5,683,074 km (0.068 R)
• M9: 6,293,134 km (0.102 R)
• M10: 8,262,440 km (0.102 R)
• M11: 8,946,401 km (0.101 R)
• M12: 9,527,589 km (0.042 R)
• M13: 10,243,565 km (0.094 R)
• M14: 11,783,375 km (0.107 R)
• M15: 12,524,633 km (0.114 R)
• M16: 16,302,278 km (0.115 R)
• M17: 16,861,026 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.2

Radius: 14

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 4.14 AU - 4.28 AU

Year: 5760 Days

Day: 11.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,492,594 km

• M1: 174,132 km (0.085 R)
• M2: 1,021,005 km (0.061 R)
• M3: 1,526,646 km (0.111 R)
• M4: 2,012,091 km (0.107 R)
• M5: 2,567,997 km (0.099 R)
• M6: 3,926,047 km (0.1 R)
• M7: 4,398,477 km (0.094 R)
• M8: 5,069,722 km (0.042 R)
• M9: 5,516,122 km (0.036 R)
• M10: 7,256,694 km (0.091 R)
• M11: 8,272,164 km (0.111 R)
• M12: 9,013,870 km (0.102 R)
• M13: 9,630,363 km (0.074 R)
• M14: 10,362,944 km (0.057 R)
• M15: 11,746,425 km (0.112 R)
• M16: 12,939,169 km (0.12 R)
• M17: 13,778,263 km (0.105 R)
• M18: 14,266,102 km (0.069 R)
• M19: 14,709,360 km (0.119 R)
• M20: 16,514,558 km (0.113 R)
• M21: 18,398,145 km (0.107 R)
• M22: 20,212,617 km (0.109 R)
• M23: 23,497,487 km (0.049 R)
• M24: 25,226,539 km (0.039 R)
• M25: 27,462,579 km (0.108 R)
• M26: 28,672,676 km (0.116 R)
• M27: 30,008,286 km (0.08 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.9

Radius: 11.5

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.92 AU - 4.82 AU

Year: 6092 Days

Day: 8.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 174.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,492,594 km

• M1: 143,016 km (0.113 R)
• M2: 623,075 km (0.061 R)
• M3: 1,085,183 km (0.051 R)
• M4: 1,617,303 km (0.08 R)
• M5: 2,557,226 km (0.107 R)
• M6: 3,045,663 km (0.09 R)
• M7: 3,895,379 km (0.063 R)
• M8: 5,457,929 km (0.115 R)
• M9: 6,488,808 km (0.067 R)
• M10: 7,715,061 km (0.051 R)
• M11: 8,476,515 km (0.102 R)
• M12: 10,149,318 km (0.118 R)
• M13: 10,974,350 km (0.115 R)
• M14: 11,564,215 km (0.113 R)
• M15: 12,856,890 km (0.111 R)
• M16: 13,770,634 km (0.113 R)
• M17: 15,277,533 km (0.048 R)
• M18: 15,727,673 km (0.09 R)
• M19: 17,678,579 km (0.104 R)
• M20: 20,934,277 km (0.12 R)
• M21: 23,961,989 km (0.073 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.3

Radius: 14.5

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 4.19 AU - 4.59 AU

Year: 6134 Days

Day: 12.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,492,594 km

• M1: 180,864 km (0.055 R)
• M2: 638,334 km (0.106 R)
• M3: 1,113,607 km (0.11 R)
• M4: 1,706,762 km (0.082 R)
• M5: 2,216,592 km (0.103 R)
• M6: 2,884,995 km (0.049 R)
• M7: 4,924,612 km (0.062 R)
• M8: 6,557,922 km (0.093 R)
• M9: 7,246,820 km (0.117 R)
• M10: 7,983,739 km (0.03 R)
• M11: 9,393,250 km (0.043 R)
• M12: 10,868,884 km (0.067 R)
• M13: 12,391,341 km (0.1 R)
• M14: 14,618,106 km (0.115 R)
• M15: 15,796,039 km (0.054 R)
• M16: 16,408,343 km (0.037 R)
• M17: 18,207,557 km (0.099 R)
• M18: 21,148,202 km (0.051 R)
• M19: 22,731,546 km (0.105 R)
• M20: 24,554,845 km (0.111 R)
• M21: 28,401,455 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 548.1

Radius: 4.2

Gravity: 31.07 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 5.78 AU - 8.84 AU

Year: 13180 Days

Day: 19.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 53,492,594 km

• M1: 53,406 km (0.079 R)
• M2: 225,444 km (0.106 R)
• M3: 533,167 km (0.065 R)
• M4: 828,623 km (0.026 R)
• M5: 1,139,487 km (0.101 R)
• M6: 1,675,347 km (0.099 R)
• M7: 2,025,555 km (0.104 R)
• M8: 2,189,963 km (0.094 R)
• M9: 3,078,126 km (0.101 R)
• M10: 4,542,689 km (0.098 R)
• M11: 6,224,618 km (0.083 R)
• M12: 7,309,202 km (0.092 R)
• M13: 12,727,039 km (0.115 R)
• M14: 13,414,890 km (0.109 R)
• M15: 15,069,592 km (0.101 R)
• M16: 18,460,976 km (0.105 R)
• M17: 20,249,119 km (0.065 R)
• M18: 25,217,863 km (0.075 R)
• M19: 25,804,586 km (0.104 R)
• M20: 26,101,388 km (0.099 R)
• M21: 26,601,045 km (0.038 R)
• M22: 27,209,010 km (0.105 R)
• M23: 31,839,812 km (0.058 R)
• M24: 33,103,466 km (0.116 R)
• M25: 34,043,239 km (0.071 R)
• M26: 34,400,330 km (0.109 R)
• M27: 36,222,581 km (0.095 R)
• M28: 38,364,524 km (0.118 R)
• M29: 39,663,183 km (0.112 R)
• M30: 41,125,203 km (0.085 R)
• M31: 41,530,014 km (0.089 R)
• M32: 42,073,952 km (0.101 R)
• M33: 44,438,945 km (0.096 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: 490 - 12,250 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit