🌌 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: 593.5

Radius: 9.6

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.69 AU - 0.73 AU

Year: 413 Days

Day: 6.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,533,201 km

• M1: 119,529 km (0.062 R)
• M2: 517,908 km (0.059 R)
• M3: 848,818 km (0.114 R)
• M4: 1,423,125 km (0.031 R)
• M5: 1,904,231 km (0.116 R)
• M6: 2,500,678 km (0.061 R)
• M7: 2,936,307 km (0.033 R)
• M8: 3,307,011 km (0.088 R)
• M9: 3,795,747 km (0.077 R)
• M10: 4,130,248 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.8

Radius: 11.5

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.73 AU - 0.79 AU

Year: 457 Days

Day: 14.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,533,201 km

• M1: 143,016 km (0.116 R)
• M2: 691,441 km (0.068 R)
• M3: 1,212,940 km (0.09 R)
• M4: 1,643,931 km (0.113 R)
• M5: 2,113,818 km (0.076 R)
• M6: 2,571,587 km (0.107 R)
• M7: 3,199,749 km (0.099 R)
• M8: 3,654,227 km (0.105 R)
• M9: 4,410,594 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.6

Radius: 14.2

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.9 AU - 2.96 AU

Year: 2615 Days

Day: 7.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 78.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,533,201 km

• M1: 178,171 km (0.101 R)
• M2: 827,575 km (0.107 R)
• M3: 1,602,193 km (0.099 R)
• M4: 2,367,386 km (0.096 R)
• M5: 5,930,508 km (0.064 R)
• M6: 7,542,874 km (0.11 R)
• M7: 8,287,572 km (0.1 R)
• M8: 11,918,163 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.5

Radius: 10.6

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.8 AU - 3.62 AU

Year: 3970 Days

Day: 13.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 76,533,201 km

• M1: 131,945 km (0.091 R)
• M2: 620,233 km (0.055 R)
• M3: 1,223,411 km (0.103 R)
• M4: 1,698,385 km (0.087 R)
• M5: 2,144,336 km (0.058 R)
• M6: 2,516,835 km (0.097 R)
• M7: 2,969,518 km (0.111 R)
• M8: 3,837,933 km (0.053 R)
• M9: 5,158,434 km (0.071 R)
• M10: 5,489,195 km (0.108 R)
• M11: 7,675,418 km (0.091 R)
• M12: 8,864,422 km (0.091 R)
• M13: 9,792,228 km (0.091 R)
• M14: 10,344,394 km (0.034 R)
• M15: 11,007,411 km (0.102 R)
• M16: 11,464,882 km (0.105 R)
• M17: 12,914,186 km (0.059 R)
• M18: 14,105,284 km (0.104 R)
• M19: 15,311,791 km (0.051 R)
• M20: 16,231,519 km (0.069 R)
• M21: 20,281,881 km (0.055 R)
• M22: 23,578,270 km (0.115 R)
• M23: 24,804,075 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.3

Radius: 12.1

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.72 AU - 3.72 AU

Year: 3988 Days

Day: 5.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,533,201 km

• M1: 159,471 km (0.088 R)
• M2: 540,348 km (0.1 R)
• M3: 993,629 km (0.113 R)
• M4: 1,625,680 km (0.041 R)
• M5: 2,331,333 km (0.106 R)
• M6: 2,857,319 km (0.04 R)
• M7: 5,364,131 km (0.114 R)
• M8: 5,911,509 km (0.074 R)
• M9: 10,056,717 km (0.087 R)
• M10: 14,229,600 km (0.117 R)
• M11: 18,933,256 km (0.052 R)
• M12: 19,435,157 km (0.099 R)
• M13: 24,880,370 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.1

Radius: 13.2

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.75 AU - 6.03 AU

Year: 7464 Days

Day: 14.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 76,533,201 km

• M1: 164,707 km (0.12 R)
• M2: 869,612 km (0.091 R)
• M3: 1,310,178 km (0.104 R)
• M4: 1,904,082 km (0.068 R)
• M5: 3,437,310 km (0.115 R)
• M6: 4,314,702 km (0.073 R)
• M7: 4,863,726 km (0.118 R)
• M8: 5,459,275 km (0.044 R)
• M9: 5,872,165 km (0.117 R)
• M10: 6,478,336 km (0.084 R)
• M11: 7,088,994 km (0.115 R)
• M12: 7,976,110 km (0.118 R)
• M13: 9,831,871 km (0.102 R)
• M14: 11,135,318 km (0.081 R)
• M15: 13,161,022 km (0.036 R)
• M16: 14,440,533 km (0.088 R)
• M17: 15,929,032 km (0.093 R)
• M18: 16,578,586 km (0.098 R)
• M19: 20,095,183 km (0.118 R)
• M20: 23,660,698 km (0.051 R)
• M21: 24,764,581 km (0.083 R)
• M22: 29,043,379 km (0.058 R)
• M23: 38,220,461 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 842.1

Radius: 5.2

Gravity: 31.14 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 7.11 AU - 9.09 AU

Year: 15913 Days

Day: 18.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 76,533,201 km

• M1: 67,169 km (0.119 R)
• M2: 256,560 km (0.084 R)
• M3: 769,382 km (0.086 R)
• M4: 1,067,979 km (0.063 R)
• M5: 1,237,773 km (0.039 R)
• M6: 1,410,558 km (0.118 R)
• M7: 1,683,275 km (0.057 R)
• M8: 1,952,551 km (0.089 R)
• M9: 2,208,813 km (0.099 R)
• M10: 2,420,942 km (0.044 R)
• M11: 3,492,811 km (0.036 R)
• M12: 4,883,772 km (0.11 R)
• M13: 5,980,474 km (0.12 R)
• M14: 8,291,013 km (0.078 R)
• M15: 10,240,573 km (0.119 R)
• M16: 10,652,266 km (0.078 R)
• M17: 11,259,484 km (0.118 R)
• M18: 11,761,534 km (0.097 R)
• M19: 13,357,594 km (0.118 R)
• M20: 14,867,784 km (0.05 R)
• M21: 15,167,878 km (0.118 R)
• M22: 15,857,823 km (0.111 R)
• M23: 16,890,946 km (0.056 R)
• M24: 18,566,741 km (0.078 R)
• M25: 19,713,559 km (0.089 R)
• M26: 22,539,014 km (0.045 R)
• M27: 24,879,771 km (0.07 R)
• M28: 29,918,527 km (0.062 R)
• M29: 31,738,385 km (0.106 R)
• M30: 32,235,948 km (0.112 R)
• M31: 51,720,621 km (0.101 R)
• M32: 54,689,990 km (0.115 R)
• M33: 59,072,609 km (0.092 R)
• M34: 61,349,339 km (0.119 R)
• M35: 65,072,381 km (0.089 R)
• M36: 66,076,631 km (0.086 R)
• M37: 68,322,245 km (0.117 R)
• M38: 69,777,384 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 265

Radius: 5.8

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 7.46 AU - 10.52 AU

Year: 18606 Days

Day: 17.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,533,201 km

• M1: 73,453 km (0.092 R)
• M2: 618,737 km (0.116 R)
• M3: 867,219 km (0.105 R)
• M4: 1,087,726 km (0.119 R)
• M5: 2,637,859 km (0.047 R)
• M6: 5,480,518 km (0.098 R)
• M7: 7,153,770 km (0.094 R)
• M8: 11,640,659 km (0.089 R)
• M9: 11,930,879 km (0.079 R)
• M10: 24,537,342 km (0.11 R)
• M11: 25,889,108 km (0.027 R)
• M12: 27,289,644 km (0.114 R)
• M13: 30,241,060 km (0.107 R)
• M14: 33,984,447 km (0.088 R)
• M15: 37,519,445 km (0.103 R)
• M16: 38,025,385 km (0.093 R)
• M17: 38,664,318 km (0.092 R)
• M18: 38,921,925 km (0.094 R)
• M19: 40,624,050 km (0.052 R)
• M20: 51,422,922 km (0.053 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 558.1

Radius: 7.4

Gravity: 10.19 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 8.58 AU - 9.78 AU

Year: 19199 Days

Day: 21.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,533,201 km

• M1: 92,152 km (0.072 R)
• M2: 1,847,085 km (0.095 R)
• M3: 2,758,884 km (0.112 R)
• M4: 3,314,191 km (0.081 R)
• M5: 6,640,500 km (0.094 R)
• M6: 9,470,592 km (0.083 R)
• M7: 10,846,594 km (0.088 R)
• M8: 13,428,204 km (0.05 R)
• M9: 13,847,826 km (0.097 R)
• M10: 19,588,495 km (0.118 R)
• M11: 21,999,863 km (0.058 R)
• M12: 24,086,604 km (0.081 R)
• M13: 26,738,525 km (0.086 R)
• M14: 28,078,024 km (0.089 R)
• M15: 35,187,813 km (0.113 R)
• M16: 36,119,508 km (0.051 R)
• M17: 39,724,219 km (0.062 R)
• M18: 50,607,015 km (0.118 R)
• M19: 51,622,934 km (0.063 R)
• M20: 52,998,486 km (0.042 R)
• M21: 54,398,423 km (0.053 R)
• M22: 60,623,490 km (0.115 R)
• M23: 62,541,035 km (0.08 R)
• M24: 65,692,464 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 635.3

Radius: 6.6

Gravity: 14.58 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 8.82 AU - 10.64 AU

Year: 20950 Days

Day: 20.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 76,533,201 km

• M1: 82,578 km (0.05 R)
• M2: 1,672,055 km (0.087 R)
• M3: 2,587,295 km (0.104 R)
• M4: 4,938,375 km (0.085 R)
• M5: 5,198,376 km (0.112 R)
• M6: 6,639,004 km (0.104 R)
• M7: 7,141,952 km (0.102 R)
• M8: 7,572,195 km (0.1 R)
• M9: 9,467,451 km (0.07 R)
• M10: 10,223,369 km (0.069 R)
• M11: 11,854,883 km (0.06 R)
• M12: 12,322,077 km (0.066 R)
• M13: 14,998,683 km (0.07 R)
• M14: 16,844,421 km (0.097 R)
• M15: 22,463,467 km (0.076 R)
• M16: 25,746,841 km (0.039 R)
• M17: 31,821,561 km (0.104 R)
• M18: 32,464,084 km (0.051 R)
• M19: 37,775,407 km (0.038 R)
• M20: 38,206,548 km (0.074 R)
• M21: 39,225,010 km (0.094 R)
• M22: 40,862,060 km (0.071 R)
• M23: 41,620,970 km (0.06 R)
• M24: 47,531,432 km (0.074 R)
• M25: 49,390,934 km (0.065 R)
• M26: 55,629,315 km (0.063 R)
• M27: 59,419,676 km (0.098 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 381 - 14,575 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit