🌌 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 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.41 AU - 0.67 AU

Year: 256 Days

Day: 23.1 Hours

Environment

Temp: -131 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136

Radius: 9.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.74 AU - 0.86 AU

Year: 462 Days

Day: 5.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,082,204 km

• M1: 157,377 km (0.11 R)
• M2: 251,773 km (0.111 R)
• M3: 323,131 km (0.111 R)
• M4: 434,133 km (0.113 R)
• M5: 555,158 km (0.025 R)
• M6: 657,782 km (0.104 R)
• M7: 734,974 km (0.118 R)
• M8: 821,592 km (0.117 R)
• M9: 928,105 km (0.084 R)
• M10: 996,172 km (0.101 R)
• M11: 1,079,797 km (0.12 R)
• M12: 1,374,655 km (0.072 R)
• M13: 1,495,231 km (0.093 R)
• M14: 1,639,293 km (0.115 R)
• M15: 1,714,990 km (0.032 R)
• M16: 1,853,667 km (0.105 R)
• M17: 1,936,993 km (0.071 R)
• M18: 2,081,654 km (0.09 R)
• M19: 2,194,601 km (0.078 R)
• M20: 2,309,791 km (0.119 R)
• M21: 2,386,236 km (0.074 R)
• M22: 2,824,109 km (0.12 R)
• M23: 2,944,834 km (0.089 R)
• M24: 3,082,165 km (0.042 R)
• M25: 3,181,648 km (0.114 R)
• M26: 3,261,832 km (0.11 R)
• M27: 3,327,655 km (0.086 R)
• M28: 3,404,100 km (0.09 R)
• M29: 3,506,873 km (0.026 R)
• M30: 3,589,900 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.4

Radius: 9.6

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.84 AU - 1.14 AU

Year: 636 Days

Day: 11.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 53,082,204 km

• M1: 120,576 km (0.077 R)
• M2: 220,806 km (0.082 R)
• M3: 295,905 km (0.119 R)
• M4: 387,309 km (0.107 R)
• M5: 453,581 km (0.118 R)
• M6: 516,113 km (0.065 R)
• M7: 609,312 km (0.096 R)
• M8: 684,560 km (0.098 R)
• M9: 871,856 km (0.057 R)
• M10: 1,002,605 km (0.113 R)
• M11: 1,247,497 km (0.114 R)
• M12: 1,352,066 km (0.099 R)
• M13: 1,415,046 km (0.039 R)
• M14: 1,498,522 km (0.081 R)
• M15: 1,697,637 km (0.104 R)
• M16: 1,849,179 km (0.118 R)
• M17: 2,106,936 km (0.041 R)
• M18: 2,202,829 km (0.076 R)
• M19: 2,460,885 km (0.093 R)
• M20: 2,601,507 km (0.05 R)
• M21: 2,744,971 km (0.12 R)
• M22: 2,948,424 km (0.064 R)
• M23: 3,131,532 km (0.119 R)
• M24: 3,275,745 km (0.095 R)
• M25: 3,430,878 km (0.075 R)
• M26: 3,518,093 km (0.06 R)
• M27: 3,641,362 km (0.098 R)
• M28: 3,712,570 km (0.037 R)
• M29: 3,811,155 km (0.107 R)
• M30: 3,983,492 km (0.108 R)
• M31: 4,158,522 km (0.092 R)
• M32: 4,251,721 km (0.077 R)
• M33: 4,345,519 km (0.102 R)
• M34: 4,497,062 km (0.118 R)
• M35: 4,698,720 km (0.07 R)
• M36: 4,795,809 km (0.062 R)
• M37: 5,190,897 km (0.105 R)
• M38: 5,331,668 km (0.098 R)
• M39: 5,494,131 km (0.113 R)
• M40: 5,606,779 km (0.065 R)
• M41: 5,761,612 km (0.098 R)
• M42: 6,022,960 km (0.044 R)
• M43: 6,160,291 km (0.093 R)
• M44: 6,256,033 km (0.054 R)
• M45: 6,406,080 km (0.07 R)
• M46: 6,797,129 km (0.114 R)
• M47: 6,984,425 km (0.117 R)
• M48: 7,084,357 km (0.101 R)
• M49: 7,151,227 km (0.088 R)
• M50: 7,229,467 km (0.115 R)
• M51: 7,500,089 km (0.059 R)
• M52: 7,568,156 km (0.116 R)
• M53: 7,693,669 km (0.119 R)

Asteroid Belt

Center: 5.08 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 289.4

Radius: 3

Gravity: 32.16 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 7.55 AU - 10.79 AU

Year: 17930 Days

Day: 20.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 53,082,204 km

• M1: 107,112 km (0.084 R)
• M2: 176,226 km (0.062 R)
• M3: 234,569 km (0.109 R)
• M4: 312,959 km (0.032 R)
• M5: 414,835 km (0.109 R)
• M6: 816,954 km (0.045 R)
• M7: 876,045 km (0.104 R)
• M8: 1,105,079 km (0.064 R)
• M9: 1,445,714 km (0.09 R)
• M10: 1,615,059 km (0.095 R)
• M11: 2,242,322 km (0.104 R)
• M12: 3,088,149 km (0.102 R)
• M13: 3,305,664 km (0.054 R)
• M14: 3,560,280 km (0.111 R)
• M15: 3,854,240 km (0.088 R)
• M16: 4,292,412 km (0.078 R)
• M17: 4,465,197 km (0.111 R)
• M18: 4,534,910 km (0.101 R)
• M19: 4,781,746 km (0.067 R)
• M20: 6,274,135 km (0.095 R)
• M21: 6,391,419 km (0.086 R)
• M22: 6,907,981 km (0.08 R)
• M23: 7,396,717 km (0.085 R)
• M24: 7,686,937 km (0.109 R)
• M25: 8,407,101 km (0.117 R)
• M26: 8,623,120 km (0.063 R)
• M27: 8,928,450 km (0.095 R)
• M28: 9,104,377 km (0.105 R)
• M29: 9,237,220 km (0.074 R)
• M30: 9,684,517 km (0.104 R)
• M31: 10,276,476 km (0.088 R)
• M32: 10,739,781 km (0.056 R)
• M33: 12,072,698 km (0.057 R)
• M34: 12,462,999 km (0.102 R)
• M35: 12,956,672 km (0.106 R)
• M36: 13,557,457 km (0.06 R)
• M37: 14,578,911 km (0.119 R)
• M38: 14,994,344 km (0.116 R)
• M39: 15,413,667 km (0.11 R)
• M40: 15,624,899 km (0.068 R)
• M41: 17,129,255 km (0.117 R)
• M42: 17,293,065 km (0.115 R)
• M43: 17,677,532 km (0.118 R)
• M44: 18,904,085 km (0.102 R)
• M45: 19,186,675 km (0.114 R)
• M46: 19,243,372 km (0.04 R)
• M47: 19,470,761 km (0.071 R)
• M48: 19,641,752 km (0.108 R)
• M49: 19,698,898 km (0.088 R)
• M50: 19,985,378 km (0.083 R)
• M51: 20,157,864 km (0.113 R)
• M52: 20,446,588 km (0.091 R)
• M53: 21,320,689 km (0.075 R)
• M54: 22,684,722 km (0.092 R)
• M55: 23,045,103 km (0.031 R)
• M56: 24,690,381 km (0.059 R)
• M57: 24,752,015 km (0.053 R)
• M58: 25,371,350 km (0.107 R)
• M59: 25,870,558 km (0.118 R)
• M60: 26,247,096 km (0.113 R)
• M61: 26,310,077 km (0.096 R)
• M62: 26,625,429 km (0.118 R)
• M63: 27,069,136 km (0.108 R)
• M64: 28,285,517 km (0.115 R)
• M65: 28,738,200 km (0.053 R)
• M66: 28,868,051 km (0.102 R)
• M67: 29,716,271 km (0.109 R)
• M68: 29,913,141 km (0.107 R)
• M69: 30,308,229 km (0.11 R)
• M70: 30,572,718 km (0.103 R)
• M71: 31,170,212 km (0.086 R)
• M72: 31,370,374 km (0.104 R)
• M73: 31,437,095 km (0.049 R)
• M74: 32,107,593 km (0.102 R)
• M75: 32,850,496 km (0.118 R)
• M76: 33,735,816 km (0.078 R)
• M77: 34,147,060 km (0.047 R)
• M78: 35,878,207 km (0.081 R)
• M79: 35,948,069 km (0.12 R)
• M80: 36,157,955 km (0.105 R)
• M81: 36,438,301 km (0.083 R)
• M82: 37,354,439 km (0.046 R)
• M83: 37,425,199 km (0.091 R)
• M84: 38,349,564 km (0.117 R)
• M85: 39,209,452 km (0.081 R)
• M86: 39,930,813 km (0.055 R)
• M87: 42,047,474 km (0.103 R)
• M88: 43,975,940 km (0.08 R)
• M89: 44,050,739 km (0.118 R)
• M90: 50,087,611 km (0.095 R)
• M91: 51,972,095 km (0.071 R)
• M92: 52,288,495 km (0.077 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: 183 - 17,967 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit