🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.48

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.82 AU - 1.14 AU

Year: 358 Days

Day: 14.9 Hours

Environment

Temp: 38 °C

Axial Tilt: 29.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.97 AU - 1.17 AU

Year: 408 Days

Day: 17.5 Hours

Environment

Temp: 21 °C

Axial Tilt: 33.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 23,353,875 km

• M1: 280,197 km (0.057 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.92 AU - 3.09 AU

Year: 1458 Days

Day: 15.5 Hours

Environment

Temp: -99 °C

Axial Tilt: 1.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.25 AU - 4.39 AU

Year: 2755 Days

Day: 13.4 Hours

Environment

Temp: -126 °C

Axial Tilt: 15.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.3

Radius: 8.3

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.74 AU - 6.02 AU

Year: 4604 Days

Day: 7.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 23,353,875 km

• M1: 119,379 km (0.094 R)
• M2: 327,320 km (0.102 R)
• M3: 588,219 km (0.064 R)
• M4: 840,291 km (0.088 R)
• M5: 908,508 km (0.065 R)
• M6: 1,030,281 km (0.025 R)
• M7: 1,212,042 km (0.091 R)
• M8: 1,439,580 km (0.117 R)
• M9: 1,534,425 km (0.037 R)
• M10: 1,768,247 km (0.1 R)
• M11: 1,844,542 km (0.116 R)
• M12: 2,093,323 km (0.049 R)
• M13: 2,297,524 km (0.093 R)
• M14: 2,451,311 km (0.101 R)
• M15: 3,317,782 km (0.079 R)
• M16: 3,524,077 km (0.083 R)
• M17: 3,932,778 km (0.12 R)
• M18: 3,999,499 km (0.096 R)
• M19: 4,134,287 km (0.109 R)
• M20: 4,956,028 km (0.117 R)
• M21: 5,394,798 km (0.12 R)
• M22: 5,846,135 km (0.092 R)
• M23: 5,999,174 km (0.053 R)
• M24: 6,329,037 km (0.111 R)
• M25: 6,845,000 km (0.041 R)
• M26: 7,210,019 km (0.067 R)
• M27: 7,477,650 km (0.094 R)
• M28: 7,748,571 km (0.115 R)
• M29: 7,917,019 km (0.115 R)
• M30: 8,150,391 km (0.068 R)
• M31: 8,214,419 km (0.094 R)
• M32: 8,278,746 km (0.088 R)
• M33: 8,407,700 km (0.106 R)
• M34: 8,494,018 km (0.079 R)
• M35: 8,864,272 km (0.086 R)
• M36: 9,239,912 km (0.081 R)
• M37: 9,643,378 km (0.059 R)
• M38: 9,733,735 km (0.083 R)
• M39: 9,961,124 km (0.119 R)
• M40: 10,029,640 km (0.078 R)
• M41: 10,213,196 km (0.086 R)
• M42: 10,397,800 km (0.118 R)
• M43: 10,467,363 km (0.105 R)
• M44: 10,723,624 km (0.114 R)
• M45: 11,123,798 km (0.051 R)
• M46: 11,456,953 km (0.113 R)
• M47: 11,648,887 km (0.088 R)
• M48: 11,938,658 km (0.098 R)
• M49: 12,084,516 km (0.097 R)
• M50: 12,206,438 km (0.117 R)
• M51: 12,897,132 km (0.105 R)
• M52: 13,676,387 km (0.113 R)
• M53: 13,879,990 km (0.086 R)
• M54: 14,110,221 km (0.106 R)
• M55: 14,187,264 km (0.118 R)
• M56: 14,341,798 km (0.079 R)
• M57: 14,522,662 km (0.049 R)
• M58: 14,574,573 km (0.116 R)
• M59: 15,201,388 km (0.108 R)
• M60: 15,544,565 km (0.091 R)
• M61: 15,890,435 km (0.049 R)
• M62: 16,131,288 km (0.065 R)
• M63: 16,400,415 km (0.077 R)
• M64: 16,535,501 km (0.057 R)
• M65: 16,698,114 km (0.064 R)
• M66: 16,752,418 km (0.099 R)
• M67: 16,888,403 km (0.08 R)
• M68: 17,298,899 km (0.032 R)
• M69: 17,740,213 km (0.09 R)
• M70: 18,045,842 km (0.109 R)
• M71: 18,353,116 km (0.089 R)
• M72: 18,916,352 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.8

Radius: 8.1

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 5.63 AU - 5.75 AU

Year: 5008 Days

Day: 11.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 23,353,875 km

• M1: 101,577 km (0.03 R)
• M2: 462,407 km (0.101 R)
• M3: 595,400 km (0.12 R)
• M4: 753,375 km (0.049 R)
• M5: 825,331 km (0.04 R)
• M6: 1,042,548 km (0.047 R)
• M7: 1,151,156 km (0.075 R)
• M8: 1,249,441 km (0.072 R)
• M9: 1,306,887 km (0.109 R)
• M10: 1,394,701 km (0.111 R)
• M11: 1,592,021 km (0.113 R)
• M12: 2,219,733 km (0.062 R)
• M13: 2,290,044 km (0.06 R)
• M14: 2,343,151 km (0.057 R)
• M15: 2,708,469 km (0.119 R)
• M16: 2,936,157 km (0.043 R)
• M17: 3,170,278 km (0.083 R)
• M18: 3,369,991 km (0.105 R)
• M19: 3,781,685 km (0.08 R)
• M20: 4,562,885 km (0.073 R)
• M21: 5,041,149 km (0.112 R)
• M22: 5,559,206 km (0.037 R)
• M23: 5,655,248 km (0.029 R)
• M24: 6,020,417 km (0.088 R)
• M25: 6,119,002 km (0.106 R)
• M26: 6,268,001 km (0.069 R)
• M27: 6,393,065 km (0.095 R)
• M28: 6,696,749 km (0.106 R)
• M29: 7,056,980 km (0.079 R)
• M30: 7,187,131 km (0.065 R)
• M31: 7,876,926 km (0.098 R)
• M32: 8,532,315 km (0.035 R)
• M33: 8,782,592 km (0.052 R)
• M34: 8,950,740 km (0.114 R)
• M35: 9,576,657 km (0.117 R)
• M36: 10,482,472 km (0.119 R)
• M37: 10,720,782 km (0.039 R)
• M38: 10,870,529 km (0.089 R)
• M39: 10,930,668 km (0.12 R)
• M40: 11,081,462 km (0.101 R)
• M41: 11,507,218 km (0.11 R)
• M42: 11,783,824 km (0.067 R)
• M43: 12,249,672 km (0.113 R)
• M44: 12,312,204 km (0.082 R)
• M45: 12,563,528 km (0.068 R)
• M46: 12,626,659 km (0.049 R)
• M47: 12,880,077 km (0.115 R)
• M48: 13,039,399 km (0.113 R)
• M49: 13,103,277 km (0.088 R)
• M50: 13,812,970 km (0.027 R)
• M51: 14,074,168 km (0.119 R)
• M52: 15,675,314 km (0.082 R)
• M53: 16,187,387 km (0.109 R)
• M54: 17,263,145 km (0.085 R)
• M55: 19,118,907 km (0.056 R)
• M56: 19,482,879 km (0.042 R)
• M57: 19,556,032 km (0.117 R)
• M58: 19,775,941 km (0.051 R)
• M59: 20,738,005 km (0.074 R)
• M60: 20,999,502 km (0.058 R)
• M61: 21,450,539 km (0.092 R)
• M62: 21,980,864 km (0.083 R)
• M63: 22,515,377 km (0.085 R)
• M64: 22,707,461 km (0.105 R)
• M65: 22,977,036 km (0.078 R)
• M66: 24,341,219 km (0.118 R)
• M67: 24,617,227 km (0.082 R)
• M68: 25,411,442 km (0.026 R)
• M69: 25,491,328 km (0.085 R)
• M70: 26,456,533 km (0.088 R)
• M71: 26,537,465 km (0.078 R)
• M72: 27,229,056 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.2

Radius: 8.8

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.38 AU - 6.92 AU

Year: 5627 Days

Day: 8.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 23,353,875 km

• M1: 120,277 km (0.067 R)
• M2: 685,457 km (0.106 R)
• M3: 811,718 km (0.116 R)
• M4: 877,840 km (0.107 R)
• M5: 980,764 km (0.034 R)
• M6: 1,236,875 km (0.049 R)
• M7: 1,314,068 km (0.11 R)
• M8: 1,406,220 km (0.081 R)
• M9: 1,473,389 km (0.071 R)
• M10: 1,541,606 km (0.112 R)
• M11: 1,611,019 km (0.113 R)
• M12: 1,681,480 km (0.083 R)
• M13: 2,049,790 km (0.07 R)
• M14: 2,188,467 km (0.102 R)
• M15: 2,378,307 km (0.077 R)
• M16: 2,508,008 km (0.115 R)
• M17: 2,573,682 km (0.106 R)
• M18: 3,120,163 km (0.106 R)
• M19: 3,298,334 km (0.048 R)
• M20: 3,406,792 km (0.118 R)
• M21: 3,479,796 km (0.094 R)
• M22: 3,553,398 km (0.105 R)
• M23: 3,645,999 km (0.092 R)
• M24: 3,833,745 km (0.064 R)
• M25: 4,082,675 km (0.118 R)
• M26: 4,160,317 km (0.064 R)
• M27: 4,317,095 km (0.098 R)
• M28: 4,535,957 km (0.106 R)
• M29: 4,717,718 km (0.057 R)
• M30: 5,193,140 km (0.055 R)
• M31: 5,490,092 km (0.083 R)
• M32: 5,858,103 km (0.043 R)
• M33: 6,481,627 km (0.074 R)
• M34: 6,663,688 km (0.097 R)
• M35: 6,847,394 km (0.086 R)
• M36: 7,032,895 km (0.057 R)
• M37: 7,385,048 km (0.099 R)
• M38: 7,839,527 km (0.053 R)
• M39: 8,082,324 km (0.097 R)
• M40: 8,825,526 km (0.026 R)
• M41: 9,052,766 km (0.113 R)
• M42: 9,205,355 km (0.096 R)
• M43: 9,746,152 km (0.078 R)
• M44: 9,928,811 km (0.094 R)
• M45: 10,885,489 km (0.075 R)
• M46: 10,993,648 km (0.06 R)
• M47: 11,074,880 km (0.111 R)
• M48: 11,457,103 km (0.103 R)
• M49: 11,539,531 km (0.041 R)
• M50: 11,815,838 km (0.088 R)
• M51: 11,899,164 km (0.082 R)
• M52: 12,601,077 km (0.109 R)
• M53: 12,743,195 km (0.104 R)
• M54: 12,885,613 km (0.079 R)
• M55: 13,086,074 km (0.104 R)
• M56: 13,143,519 km (0.096 R)
• M57: 13,201,115 km (0.09 R)
• M58: 13,345,327 km (0.056 R)
• M59: 13,810,427 km (0.086 R)
• M60: 13,986,204 km (0.091 R)
• M61: 14,251,292 km (0.077 R)
• M62: 14,340,003 km (0.076 R)
• M63: 16,214,464 km (0.064 R)
• M64: 16,307,065 km (0.119 R)
• M65: 16,461,899 km (0.091 R)
• M66: 17,337,795 km (0.057 R)
• M67: 17,432,640 km (0.04 R)
• M68: 17,495,920 km (0.045 R)
• M69: 17,686,059 km (0.102 R)
• M70: 17,877,095 km (0.077 R)
• M71: 18,453,945 km (0.115 R)
• M72: 18,647,674 km (0.082 R)
• M73: 18,777,076 km (0.092 R)
• M74: 19,691,867 km (0.051 R)
• M75: 19,922,846 km (0.035 R)
• M76: 20,554,299 km (0.087 R)
• M77: 20,922,758 km (0.067 R)
• M78: 21,259,802 km (0.054 R)
• M79: 22,109,967 km (0.108 R)
• M80: 22,453,294 km (0.099 R)
• M81: 22,832,824 km (0.091 R)
• M82: 23,319,017 km (0.098 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 11,029 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit