🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.46 AU - 0.56 AU

Year: 235 Days

Day: 38.1 Hours

Environment

Temp: -117 °C

Axial Tilt: 13.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.4

Radius: 8.5

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.72 AU - 0.74 AU

Year: 403 Days

Day: 10.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 36,442,861 km

• M1: 112,198 km (0.083 R)
• M2: 187,446 km (0.113 R)
• M3: 242,199 km (0.118 R)
• M4: 332,257 km (0.078 R)
• M5: 401,072 km (0.117 R)
• M6: 497,114 km (0.099 R)
• M7: 578,645 km (0.11 R)
• M8: 646,712 km (0.109 R)
• M9: 746,493 km (0.06 R)
• M10: 811,568 km (0.087 R)
• M11: 899,382 km (0.098 R)
• M12: 969,095 km (0.072 R)
• M13: 1,022,801 km (0.073 R)
• M14: 1,133,204 km (0.097 R)
• M15: 1,247,646 km (0.093 R)
• M16: 1,310,328 km (0.052 R)
• M17: 1,476,082 km (0.097 R)
• M18: 1,551,031 km (0.087 R)
• M19: 1,610,271 km (0.097 R)
• M20: 1,726,659 km (0.084 R)
• M21: 1,823,748 km (0.078 R)
• M22: 1,917,994 km (0.112 R)
• M23: 1,990,998 km (0.073 R)
• M24: 2,069,537 km (0.083 R)
• M25: 2,125,636 km (0.031 R)
• M26: 2,316,373 km (0.082 R)
• M27: 2,433,658 km (0.109 R)
• M28: 2,493,049 km (0.11 R)
• M29: 2,572,934 km (0.079 R)
• M30: 2,699,494 km (0.113 R)
• M31: 2,833,384 km (0.061 R)
• M32: 2,932,567 km (0.083 R)
• M33: 3,033,097 km (0.046 R)
• M34: 3,102,361 km (0.118 R)
• M35: 3,172,372 km (0.077 R)
• M36: 3,275,445 km (0.116 R)
• M37: 3,368,794 km (0.083 R)
• M38: 3,423,996 km (0.085 R)
• M39: 3,501,937 km (0.101 R)
• M40: 3,580,475 km (0.043 R)
• M41: 3,710,626 km (0.118 R)
• M42: 3,819,533 km (0.115 R)
• M43: 3,877,128 km (0.118 R)
• M44: 3,970,028 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.8

Radius: 12.7

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.8 AU - 2.34 AU

Year: 1923 Days

Day: 10.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 36,442,861 km

• M1: 158,424 km (0.091 R)
• M2: 238,160 km (0.101 R)
• M3: 401,221 km (0.091 R)
• M4: 511,625 km (0.026 R)
• M5: 683,662 km (0.117 R)
• M6: 1,030,281 km (0.063 R)
• M7: 1,219,971 km (0.063 R)
• M8: 1,402,929 km (0.105 R)
• M9: 1,585,438 km (0.055 R)
• M10: 1,674,748 km (0.072 R)
• M11: 1,985,014 km (0.057 R)
• M12: 2,071,033 km (0.085 R)
• M13: 2,169,319 km (0.092 R)
• M14: 3,012,153 km (0.107 R)
• M15: 3,339,922 km (0.06 R)
• M16: 3,560,429 km (0.077 R)
• M17: 3,652,731 km (0.096 R)
• M18: 3,893,584 km (0.108 R)
• M19: 4,335,047 km (0.109 R)
• M20: 4,433,782 km (0.051 R)
• M21: 4,519,052 km (0.116 R)
• M22: 4,647,856 km (0.083 R)
• M23: 4,748,984 km (0.11 R)
• M24: 5,101,287 km (0.074 R)
• M25: 5,401,530 km (0.076 R)
• M26: 5,676,641 km (0.094 R)
• M27: 5,862,591 km (0.081 R)
• M28: 6,416,701 km (0.115 R)
• M29: 6,578,267 km (0.025 R)
• M30: 6,757,336 km (0.107 R)
• M31: 6,987,717 km (0.086 R)
• M32: 7,087,349 km (0.068 R)
• M33: 7,338,224 km (0.03 R)
• M34: 7,439,502 km (0.089 R)
• M35: 7,814,544 km (0.043 R)
• M36: 7,935,269 km (0.119 R)
• M37: 8,039,240 km (0.07 R)
• M38: 8,126,156 km (0.059 R)
• M39: 8,318,539 km (0.094 R)
• M40: 8,565,675 km (0.081 R)
• M41: 8,672,338 km (0.045 R)
• M42: 9,139,532 km (0.09 R)
• M43: 9,358,095 km (0.109 R)
• M44: 9,486,300 km (0.112 R)
• M45: 9,689,005 km (0.071 R)
• M46: 9,893,206 km (0.119 R)
• M47: 10,400,343 km (0.106 R)
• M48: 10,839,263 km (0.025 R)
• M49: 11,656,068 km (0.112 R)
• M50: 11,873,433 km (0.108 R)
• M51: 12,311,905 km (0.088 R)
• M52: 12,674,680 km (0.044 R)
• M53: 13,020,550 km (0.12 R)
• M54: 13,246,143 km (0.09 R)
• M55: 13,349,067 km (0.032 R)
• M56: 13,431,495 km (0.104 R)
• M57: 13,535,017 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.5

Radius: 12.8

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 4.21 AU - 4.57 AU

Year: 5939 Days

Day: 8.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 112.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 36,442,861 km

• M1: 190,139 km (0.082 R)
• M2: 338,390 km (0.075 R)
• M3: 666,010 km (0.1 R)
• M4: 889,509 km (0.08 R)
• M5: 1,090,269 km (0.116 R)
• M6: 1,188,256 km (0.106 R)
• M7: 1,341,145 km (0.096 R)
• M8: 1,429,108 km (0.101 R)
• M9: 1,519,166 km (0.062 R)
• M10: 1,611,319 km (0.063 R)
• M11: 1,820,756 km (0.114 R)
• M12: 2,019,272 km (0.104 R)
• M13: 2,183,381 km (0.096 R)
• M14: 2,503,072 km (0.086 R)
• M15: 2,591,035 km (0.11 R)
• M16: 3,355,929 km (0.077 R)
• M17: 3,576,287 km (0.077 R)
• M18: 4,240,052 km (0.044 R)
• M19: 4,941,816 km (0.116 R)
• M20: 5,108,917 km (0.109 R)
• M21: 5,884,283 km (0.086 R)
• M22: 6,696,449 km (0.047 R)
• M23: 6,850,834 km (0.049 R)
• M24: 7,037,533 km (0.114 R)
• M25: 7,289,156 km (0.107 R)
• M26: 7,639,963 km (0.087 R)
• M27: 7,996,455 km (0.066 R)
• M28: 8,160,265 km (0.12 R)
• M29: 8,793,064 km (0.083 R)
• M30: 10,141,240 km (0.1 R)
• M31: 10,749,056 km (0.11 R)
• M32: 11,039,126 km (0.06 R)
• M33: 11,775,746 km (0.103 R)
• M34: 12,528,373 km (0.059 R)
• M35: 13,219,066 km (0.109 R)
• M36: 13,374,199 km (0.099 R)
• M37: 13,529,931 km (0.119 R)
• M38: 13,764,799 km (0.066 R)
• M39: 13,922,027 km (0.075 R)
• M40: 14,198,783 km (0.054 R)
• M41: 14,999,281 km (0.098 R)
• M42: 15,527,661 km (0.067 R)
• M43: 15,732,460 km (0.05 R)
• M44: 15,855,729 km (0.117 R)
• M45: 16,144,752 km (0.041 R)
• M46: 16,352,244 km (0.042 R)
• M47: 16,435,570 km (0.095 R)
• M48: 17,191,189 km (0.119 R)
• M49: 17,573,262 km (0.051 R)
• M50: 17,744,103 km (0.066 R)
• M51: 18,130,215 km (0.104 R)
• M52: 18,216,383 km (0.12 R)
• M53: 18,389,169 km (0.108 R)
• M54: 18,867,134 km (0.076 R)
• M55: 19,085,846 km (0.091 R)
• M56: 19,173,510 km (0.074 R)
• M57: 19,393,419 km (0.102 R)
• M58: 19,569,795 km (0.11 R)
• M59: 19,879,911 km (0.097 R)
• M60: 21,000,699 km (0.116 R)
• M61: 21,866,122 km (0.11 R)
• M62: 22,049,829 km (0.119 R)
• M63: 22,557,713 km (0.117 R)
• M64: 23,069,338 km (0.076 R)
• M65: 25,636,438 km (0.109 R)
• M66: 26,024,345 km (0.095 R)
• M67: 26,463,115 km (0.09 R)
• M68: 27,447,021 km (0.044 R)
• M69: 28,142,950 km (0.072 R)
• M70: 28,342,813 km (0.105 R)
• M71: 29,147,051 km (0.097 R)
• M72: 29,755,166 km (0.082 R)
• M73: 30,060,795 km (0.052 R)
• M74: 31,242,019 km (0.109 R)
• M75: 31,708,465 km (0.117 R)
• M76: 33,702,904 km (0.096 R)
• M77: 35,252,140 km (0.116 R)
• M78: 35,359,850 km (0.106 R)
• M79: 35,629,575 km (0.063 R)
• M80: 35,899,899 km (0.091 R)
• M81: 36,388,485 km (0.029 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 278 - 14,268 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit