🌌 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: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.9

Radius: 9.4

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.66 AU - 0.98 AU

Year: 479 Days

Day: 7.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,095,517 km

• M1: 121,025 km (0.028 R)
• M2: 505,192 km (0.093 R)
• M3: 1,072,766 km (0.102 R)
• M4: 1,433,447 km (0.103 R)
• M5: 1,972,298 km (0.086 R)
• M6: 2,405,833 km (0.115 R)
• M7: 3,064,812 km (0.1 R)
• M8: 3,684,446 km (0.116 R)
• M9: 4,253,815 km (0.09 R)
• M10: 4,781,746 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.8

Radius: 13.9

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.66 AU - 2.28 AU

Year: 1785 Days

Day: 11 Hours

Environment

Temp: -198 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 74,095,517 km

• M1: 174,730 km (0.085 R)
• M2: 882,927 km (0.094 R)
• M3: 1,610,271 km (0.107 R)
• M4: 2,334,176 km (0.081 R)
• M5: 3,018,137 km (0.111 R)
• M6: 3,668,289 km (0.119 R)
• M7: 4,463,552 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.4

Radius: 15

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.35 AU - 3.51 AU

Year: 3238 Days

Day: 11.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,095,517 km

• M1: 197,918 km (0.051 R)
• M2: 971,040 km (0.055 R)
• M3: 1,695,991 km (0.071 R)
• M4: 2,209,112 km (0.079 R)
• M5: 4,376,187 km (0.045 R)
• M6: 5,688,609 km (0.088 R)
• M7: 7,249,962 km (0.092 R)
• M8: 7,799,734 km (0.075 R)
• M9: 8,502,545 km (0.101 R)
• M10: 11,092,233 km (0.099 R)
• M11: 12,919,571 km (0.097 R)
• M12: 13,993,235 km (0.048 R)
• M13: 15,359,363 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.5

Radius: 11.6

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.12 AU - 3.9 AU

Year: 4246 Days

Day: 14 Hours

Environment

Temp: -199 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,095,517 km

• M1: 144,212 km (0.096 R)
• M2: 703,409 km (0.091 R)
• M3: 1,664,276 km (0.12 R)
• M4: 2,422,139 km (0.101 R)
• M5: 2,784,615 km (0.098 R)
• M6: 3,260,186 km (0.116 R)
• M7: 3,621,016 km (0.111 R)
• M8: 4,053,354 km (0.052 R)
• M9: 4,691,838 km (0.101 R)
• M10: 5,074,809 km (0.098 R)
• M11: 6,568,244 km (0.088 R)
• M12: 8,117,480 km (0.11 R)
• M13: 8,709,588 km (0.079 R)
• M14: 9,692,446 km (0.075 R)
• M15: 10,147,822 km (0.113 R)
• M16: 10,704,176 km (0.095 R)
• M17: 11,235,847 km (0.112 R)
• M18: 12,303,976 km (0.092 R)
• M19: 18,492,391 km (0.032 R)
• M20: 22,250,140 km (0.101 R)
• M21: 23,931,022 km (0.12 R)
• M22: 24,535,098 km (0.111 R)
• M23: 25,616,840 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.3

Radius: 9.7

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.99 AU - 4.93 AU

Year: 6082 Days

Day: 7.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,095,517 km

• M1: 120,576 km (0.041 R)
• M2: 509,082 km (0.026 R)
• M3: 819,348 km (0.11 R)
• M4: 1,860,549 km (0.045 R)
• M5: 3,943,250 km (0.104 R)
• M6: 4,497,361 km (0.078 R)
• M7: 4,986,546 km (0.062 R)
• M8: 5,535,570 km (0.11 R)
• M9: 6,502,870 km (0.05 R)
• M10: 7,640,412 km (0.114 R)
• M11: 9,077,449 km (0.108 R)
• M12: 12,307,866 km (0.119 R)
• M13: 13,535,915 km (0.081 R)
• M14: 14,179,634 km (0.058 R)
• M15: 15,380,007 km (0.049 R)
• M16: 16,855,790 km (0.118 R)
• M17: 18,816,271 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.3

Radius: 13.9

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.15 AU - 6.25 AU

Year: 7656 Days

Day: 12.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,095,517 km

• M1: 174,581 km (0.069 R)
• M2: 1,488,648 km (0.12 R)
• M3: 2,191,758 km (0.067 R)
• M4: 3,171,475 km (0.115 R)
• M5: 5,763,408 km (0.109 R)
• M6: 7,280,779 km (0.119 R)
• M7: 8,583,327 km (0.037 R)
• M8: 10,993,050 km (0.074 R)
• M9: 16,453,522 km (0.064 R)
• M10: 17,109,808 km (0.085 R)
• M11: 19,328,494 km (0.111 R)
• M12: 21,344,624 km (0.109 R)
• M13: 22,204,962 km (0.058 R)
• M14: 23,415,208 km (0.117 R)
• M15: 24,499,344 km (0.098 R)
• M16: 26,055,312 km (0.106 R)
• M17: 27,401,543 km (0.095 R)
• M18: 31,517,579 km (0.084 R)
• M19: 34,409,305 km (0.051 R)
• M20: 36,690,972 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 727.9

Radius: 3.9

Gravity: 47.86 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 5.57 AU - 7.77 AU

Year: 11123 Days

Day: 18.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 144.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 74,095,517 km

• M1: 48,470 km (0.116 R)
• M2: 240,105 km (0.112 R)
• M3: 397,033 km (0.115 R)
• M4: 646,113 km (0.065 R)
• M5: 1,002,755 km (0.114 R)
• M6: 1,237,474 km (0.12 R)
• M7: 2,183,979 km (0.118 R)
• M8: 2,949,920 km (0.066 R)
• M9: 3,136,469 km (0.083 R)
• M10: 3,533,502 km (0.073 R)
• M11: 3,690,579 km (0.082 R)
• M12: 4,075,644 km (0.116 R)
• M13: 4,578,443 km (0.118 R)
• M14: 8,081,726 km (0.08 R)
• M15: 8,729,036 km (0.061 R)
• M16: 9,016,712 km (0.061 R)
• M17: 10,551,138 km (0.117 R)
• M18: 12,794,807 km (0.044 R)
• M19: 15,826,557 km (0.119 R)
• M20: 16,616,434 km (0.052 R)
• M21: 17,888,465 km (0.075 R)
• M22: 18,903,935 km (0.105 R)
• M23: 19,385,341 km (0.028 R)
• M24: 25,039,392 km (0.105 R)
• M25: 25,231,925 km (0.114 R)
• M26: 26,707,109 km (0.1 R)
• M27: 27,109,977 km (0.113 R)
• M28: 31,252,940 km (0.096 R)
• M29: 32,379,412 km (0.085 R)
• M30: 32,837,331 km (0.041 R)
• M31: 34,952,196 km (0.082 R)
• M32: 35,676,848 km (0.067 R)
• M33: 39,711,353 km (0.111 R)
• M34: 50,030,465 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 874.4

Radius: 5.1

Gravity: 33.62 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.74 AU - 7.6 AU

Year: 12396 Days

Day: 17.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 74,095,517 km

• M1: 63,579 km (0.084 R)
• M2: 231,428 km (0.103 R)
• M3: 572,361 km (0.053 R)
• M4: 1,141,432 km (0.079 R)
• M5: 1,586,635 km (0.08 R)
• M6: 2,178,594 km (0.106 R)
• M7: 2,906,836 km (0.062 R)
• M8: 3,249,565 km (0.102 R)
• M9: 3,757,450 km (0.119 R)
• M10: 4,632,298 km (0.098 R)
• M11: 5,345,282 km (0.066 R)
• M12: 6,089,980 km (0.096 R)
• M13: 6,326,344 km (0.111 R)
• M14: 7,691,425 km (0.115 R)
• M15: 7,921,207 km (0.117 R)
• M16: 9,606,876 km (0.104 R)
• M17: 10,989,310 km (0.071 R)
• M18: 11,163,741 km (0.09 R)
• M19: 12,248,924 km (0.103 R)
• M20: 17,217,518 km (0.102 R)
• M21: 17,452,836 km (0.089 R)
• M22: 19,925,688 km (0.096 R)
• M23: 20,888,051 km (0.037 R)
• M24: 21,516,213 km (0.106 R)
• M25: 21,880,933 km (0.076 R)
• M26: 22,435,492 km (0.118 R)
• M27: 22,622,489 km (0.069 R)
• M28: 32,511,058 km (0.054 R)
• M29: 35,971,556 km (0.053 R)
• M30: 44,934,563 km (0.117 R)
• M31: 46,737,217 km (0.069 R)
• M32: 51,129,859 km (0.094 R)
• M33: 53,759,341 km (0.11 R)
• M34: 55,107,218 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 552.2

Radius: 7.5

Gravity: 9.82 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 7.96 AU - 12.68 AU

Year: 21406 Days

Day: 19.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 74,095,517 km

• M1: 93,199 km (0.1 R)
• M2: 379,679 km (0.081 R)
• M3: 650,452 km (0.063 R)
• M4: 1,517,670 km (0.094 R)
• M5: 2,012,540 km (0.067 R)
• M6: 2,752,750 km (0.084 R)
• M7: 4,349,259 km (0.099 R)
• M8: 5,119,239 km (0.116 R)
• M9: 5,498,021 km (0.1 R)
• M10: 5,814,271 km (0.063 R)
• M11: 6,658,452 km (0.102 R)
• M12: 7,438,156 km (0.036 R)
• M13: 9,288,233 km (0.099 R)
• M14: 13,158,928 km (0.117 R)
• M15: 15,291,745 km (0.114 R)
• M16: 15,603,058 km (0.063 R)
• M17: 19,401,797 km (0.065 R)
• M18: 19,858,519 km (0.092 R)
• M19: 21,079,836 km (0.1 R)
• M20: 22,151,705 km (0.119 R)
• M21: 26,691,551 km (0.085 R)
• M22: 28,645,449 km (0.086 R)
• M23: 36,302,915 km (0.075 R)
• M24: 38,267,285 km (0.117 R)
• M25: 41,045,168 km (0.116 R)
• M26: 46,346,617 km (0.1 R)
• M27: 50,180,661 km (0.11 R)
• M28: 50,523,689 km (0.044 R)
• M29: 53,146,738 km (0.062 R)
• M30: 56,412,609 km (0.065 R)
• M31: 59,043,288 km (0.078 R)
• M32: 60,002,360 km (0.08 R)
• M33: 67,008,327 km (0.077 R)
• M34: 68,261,658 km (0.089 R)
• M35: 72,552,275 km (0.103 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 10,660 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit