🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.3

Radius: 14

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.48 AU - 0.6 AU

Year: 265 Days

Day: 7.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 62,087,180 km

• M1: 174,282 km (0.086 R)
• M2: 732,431 km (0.047 R)
• M3: 1,228,498 km (0.097 R)
• M4: 1,943,426 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.1

Radius: 8.6

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.6 AU - 0.66 AU

Year: 333 Days

Day: 14.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,087,180 km

• M1: 106,962 km (0.052 R)
• M2: 385,215 km (0.115 R)
• M3: 659,727 km (0.116 R)
• M4: 982,409 km (0.048 R)
• M5: 1,305,989 km (0.119 R)
• M6: 1,600,099 km (0.113 R)
• M7: 2,117,408 km (0.095 R)
• M8: 2,402,691 km (0.057 R)
• M9: 2,675,708 km (0.061 R)
• M10: 2,969,518 km (0.118 R)
• M11: 3,473,663 km (0.115 R)
• M12: 3,909,591 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538

Radius: 12.2

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.4 AU - 1.42 AU

Year: 1116 Days

Day: 8.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,087,180 km

• M1: 151,692 km (0.092 R)
• M2: 552,315 km (0.063 R)
• M3: 1,167,462 km (0.104 R)
• M4: 1,596,957 km (0.087 R)
• M5: 1,993,242 km (0.088 R)
• M6: 2,800,023 km (0.093 R)
• M7: 3,356,378 km (0.119 R)
• M8: 4,130,397 km (0.071 R)
• M9: 4,745,843 km (0.065 R)
• M10: 5,441,473 km (0.089 R)
• M11: 5,845,088 km (0.097 R)
• M12: 6,919,650 km (0.11 R)
• M13: 7,370,089 km (0.094 R)
• M14: 7,789,860 km (0.078 R)
• M15: 8,435,974 km (0.108 R)
• M16: 10,223,967 km (0.037 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.1

Radius: 10.6

Gravity: 8.14 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.46 AU - 2.62 AU

Year: 2699 Days

Day: 13.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,087,180 km

• M1: 132,394 km (0.12 R)
• M2: 592,408 km (0.062 R)
• M3: 1,120,338 km (0.079 R)
• M4: 1,576,612 km (0.116 R)
• M5: 3,021,129 km (0.076 R)
• M6: 3,375,377 km (0.104 R)
• M7: 4,451,135 km (0.097 R)
• M8: 7,082,113 km (0.076 R)
• M9: 8,343,971 km (0.044 R)
• M10: 8,974,526 km (0.118 R)
• M11: 10,134,657 km (0.071 R)
• M12: 12,212,422 km (0.091 R)
• M13: 14,759,775 km (0.103 R)
• M14: 15,267,659 km (0.113 R)
• M15: 16,480,150 km (0.044 R)
• M16: 21,585,327 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.9

Radius: 10.8

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.25 AU - 3.53 AU

Year: 3276 Days

Day: 5.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,087,180 km

• M1: 134,638 km (0.088 R)
• M2: 538,104 km (0.076 R)
• M3: 1,058,106 km (0.1 R)
• M4: 1,646,624 km (0.072 R)
• M5: 2,152,713 km (0.08 R)
• M6: 2,646,686 km (0.092 R)
• M7: 3,160,255 km (0.107 R)
• M8: 3,558,634 km (0.115 R)
• M9: 4,457,119 km (0.087 R)
• M10: 6,137,253 km (0.075 R)
• M11: 7,491,712 km (0.104 R)
• M12: 9,569,327 km (0.115 R)
• M13: 10,244,911 km (0.03 R)
• M14: 11,165,985 km (0.098 R)
• M15: 12,095,885 km (0.115 R)
• M16: 12,603,172 km (0.03 R)
• M17: 13,415,189 km (0.082 R)
• M18: 15,090,236 km (0.041 R)
• M19: 17,887,866 km (0.12 R)
• M20: 19,849,693 km (0.092 R)
• M21: 21,815,558 km (0.099 R)
• M22: 23,266,658 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.9

Radius: 9.4

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.14 AU - 3.74 AU

Year: 4255 Days

Day: 8.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 62,087,180 km

• M1: 116,986 km (0.101 R)
• M2: 432,936 km (0.101 R)
• M3: 772,823 km (0.066 R)
• M4: 1,426,565 km (0.081 R)
• M5: 2,923,292 km (0.117 R)
• M6: 3,378,070 km (0.064 R)
• M7: 3,782,881 km (0.105 R)
• M8: 4,472,378 km (0.119 R)
• M9: 4,870,159 km (0.113 R)
• M10: 6,260,970 km (0.104 R)
• M11: 6,989,661 km (0.096 R)
• M12: 7,344,507 km (0.059 R)
• M13: 7,680,355 km (0.116 R)
• M14: 8,219,655 km (0.068 R)
• M15: 9,445,161 km (0.075 R)
• M16: 10,027,246 km (0.118 R)
• M17: 11,063,511 km (0.059 R)
• M18: 11,424,341 km (0.109 R)
• M19: 12,727,936 km (0.073 R)
• M20: 13,035,510 km (0.105 R)
• M21: 13,895,398 km (0.103 R)
• M22: 14,363,041 km (0.112 R)
• M23: 16,338,930 km (0.053 R)
• M24: 16,859,979 km (0.115 R)
• M25: 17,445,804 km (0.038 R)
• M26: 18,210,998 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.2

Radius: 14.1

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 4.3 AU - 4.96 AU

Year: 6644 Days

Day: 5.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,087,180 km

• M1: 175,628 km (0.102 R)
• M2: 960,269 km (0.068 R)
• M3: 2,323,105 km (0.114 R)
• M4: 2,815,731 km (0.051 R)
• M5: 3,904,205 km (0.11 R)
• M6: 6,644,389 km (0.088 R)
• M7: 7,135,070 km (0.075 R)
• M8: 8,793,363 km (0.098 R)
• M9: 9,345,678 km (0.105 R)
• M10: 9,963,368 km (0.075 R)
• M11: 12,269,419 km (0.078 R)
• M12: 14,205,066 km (0.113 R)
• M13: 15,471,412 km (0.079 R)
• M14: 16,573,350 km (0.111 R)
• M15: 18,039,110 km (0.065 R)
• M16: 21,157,627 km (0.119 R)
• M17: 22,734,239 km (0.092 R)
• M18: 24,311,150 km (0.081 R)
• M19: 27,099,505 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.3

Radius: 10

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.26 AU - 5.72 AU

Year: 7433 Days

Day: 7.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 62,087,180 km

• M1: 194,178 km (0.081 R)
• M2: 514,467 km (0.085 R)
• M3: 1,036,564 km (0.069 R)
• M4: 1,589,926 km (0.036 R)
• M5: 2,558,273 km (0.097 R)
• M6: 3,760,741 km (0.082 R)
• M7: 4,595,048 km (0.112 R)
• M8: 5,548,136 km (0.088 R)
• M9: 6,153,708 km (0.108 R)
• M10: 6,662,640 km (0.031 R)
• M11: 7,572,794 km (0.085 R)
• M12: 8,038,193 km (0.074 R)
• M13: 8,688,345 km (0.066 R)
• M14: 9,329,372 km (0.092 R)
• M15: 11,442,442 km (0.05 R)
• M16: 11,797,737 km (0.098 R)
• M17: 12,799,295 km (0.091 R)
• M18: 13,237,616 km (0.081 R)
• M19: 13,913,799 km (0.089 R)
• M20: 14,791,190 km (0.066 R)
• M21: 15,643,001 km (0.107 R)
• M22: 17,779,857 km (0.115 R)
• M23: 19,308,298 km (0.116 R)
• M24: 23,185,276 km (0.105 R)
• M25: 25,434,181 km (0.097 R)
• M26: 25,779,453 km (0.109 R)
• M27: 27,733,800 km (0.063 R)
• M28: 29,215,866 km (0.104 R)
• M29: 30,361,636 km (0.1 R)
• M30: 31,835,474 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 593.5

Radius: 4.5

Gravity: 29.31 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 8.19 AU - 10.03 AU

Year: 18336 Days

Day: 17.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 62,087,180 km

• M1: 56,249 km (0.055 R)
• M2: 243,695 km (0.08 R)
• M3: 540,048 km (0.061 R)
• M4: 735,722 km (0.118 R)
• M5: 1,230,592 km (0.038 R)
• M6: 2,113,519 km (0.068 R)
• M7: 2,491,852 km (0.099 R)
• M8: 5,570,576 km (0.101 R)
• M9: 6,584,401 km (0.079 R)
• M10: 10,296,971 km (0.114 R)
• M11: 10,886,536 km (0.075 R)
• M12: 11,436,159 km (0.115 R)
• M13: 11,623,306 km (0.119 R)
• M14: 12,656,728 km (0.068 R)
• M15: 13,127,512 km (0.069 R)
• M16: 13,401,725 km (0.11 R)
• M17: 14,683,181 km (0.093 R)
• M18: 16,835,595 km (0.036 R)
• M19: 21,849,218 km (0.111 R)
• M20: 22,820,557 km (0.051 R)
• M21: 24,744,685 km (0.103 R)
• M22: 29,376,683 km (0.116 R)
• M23: 31,404,931 km (0.092 R)
• M24: 36,138,208 km (0.089 R)
• M25: 37,494,612 km (0.073 R)
• M26: 40,308,398 km (0.082 R)
• M27: 41,472,270 km (0.061 R)
• M28: 51,941,278 km (0.102 R)
• M29: 57,049,896 km (0.09 R)
• M30: 61,141,547 km (0.116 R)
• M31: 65,027,053 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 278.7

Radius: 8

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 9.23 AU - 12.03 AU

Year: 23112 Days

Day: 21.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,087,180 km

• M1: 99,782 km (0.053 R)
• M2: 398,678 km (0.059 R)
• M3: 2,711,910 km (0.097 R)
• M4: 3,040,128 km (0.099 R)
• M5: 3,447,483 km (0.11 R)
• M6: 4,497,959 km (0.083 R)
• M7: 5,201,817 km (0.107 R)
• M8: 7,171,273 km (0.115 R)
• M9: 7,801,529 km (0.103 R)
• M10: 9,806,140 km (0.111 R)
• M11: 10,811,438 km (0.095 R)
• M12: 12,637,280 km (0.095 R)
• M13: 13,758,367 km (0.115 R)
• M14: 19,419,000 km (0.072 R)
• M15: 23,819,571 km (0.094 R)
• M16: 48,368,582 km (0.087 R)
• M17: 53,078,521 km (0.085 R)
• M18: 56,849,136 km (0.068 R)
• M19: 58,085,412 km (0.117 R)
• M20: 60,978,037 km (0.11 R)
• M21: 61,346,347 km (0.108 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: 233 - 15,783 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit