🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.83 AU - 1.25 AU

Year: 447 Days

Day: 21.8 Hours

Environment

Temp: -43 °C

Axial Tilt: 6.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Ice Giant

Semi-Major Axis: 10.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 29.4

Radius: 3.9

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 9.1 AU - 11.3 AU

Year: 13739 Days

Day: 23.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 104,912,186 km

• M1: 48,769 km (0.116 R)
• M2: 175,329 km (0.067 R)
• M3: 590,612 km (0.113 R)
• M4: 1,946,717 km (0.068 R)
• M5: 2,438,445 km (0.093 R)
• M6: 4,341,629 km (0.057 R)
• M7: 9,276,115 km (0.119 R)
• M8: 9,717,728 km (0.061 R)
• M9: 13,580,644 km (0.12 R)
• M10: 15,385,991 km (0.049 R)
• M11: 15,952,070 km (0.108 R)
• M12: 16,319,482 km (0.037 R)
• M13: 17,789,580 km (0.116 R)
• M14: 18,241,516 km (0.071 R)
• M15: 19,823,513 km (0.078 R)

Planet 3 - Ice Giant

Semi-Major Axis: 11.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 562.4

Radius: 7.4

Gravity: 10.27 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 9.9 AU - 12.64 AU

Year: 15957 Days

Day: 25 Hours

Environment

Temp: -198 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 104,912,186 km

• M1: 92,003 km (0.082 R)
• M2: 770,728 km (0.108 R)
• M3: 1,142,928 km (0.077 R)
• M4: 1,392,756 km (0.111 R)
• M5: 2,212,253 km (0.108 R)
• M6: 2,497,237 km (0.086 R)
• M7: 2,971,163 km (0.116 R)
• M8: 3,371,188 km (0.04 R)
• M9: 4,278,948 km (0.096 R)
• M10: 4,658,478 km (0.056 R)
• M11: 5,164,118 km (0.113 R)
• M12: 5,521,209 km (0.029 R)
• M13: 7,247,718 km (0.113 R)
• M14: 7,833,842 km (0.097 R)
• M15: 8,947,449 km (0.066 R)
• M16: 13,310,620 km (0.097 R)
• M17: 14,606,437 km (0.102 R)
• M18: 25,396,483 km (0.117 R)
• M19: 27,597,217 km (0.09 R)
• M20: 30,840,947 km (0.111 R)
• M21: 32,016,039 km (0.102 R)
• M22: 34,205,703 km (0.118 R)
• M23: 39,562,354 km (0.059 R)
• M24: 41,089,150 km (0.08 R)
• M25: 43,818,264 km (0.05 R)
• M26: 45,152,228 km (0.065 R)
• M27: 46,208,239 km (0.098 R)
• M28: 47,280,706 km (0.055 R)
• M29: 47,590,075 km (0.11 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 724.9

Radius: 7.7

Gravity: 12.23 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 13.08 AU - 16.42 AU

Year: 23892 Days

Day: 22.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 104,912,186 km

• M1: 96,790 km (0.112 R)
• M2: 395,986 km (0.06 R)
• M3: 703,409 km (0.091 R)
• M4: 1,213,089 km (0.113 R)
• M5: 1,793,080 km (0.034 R)
• M6: 2,521,472 km (0.048 R)
• M7: 3,492,961 km (0.072 R)
• M8: 4,548,673 km (0.045 R)
• M9: 4,994,774 km (0.103 R)
• M10: 12,931,390 km (0.068 R)
• M11: 13,903,028 km (0.1 R)
• M12: 14,446,068 km (0.089 R)
• M13: 18,371,516 km (0.108 R)
• M14: 23,713,058 km (0.088 R)
• M15: 32,507,617 km (0.102 R)
• M16: 39,135,102 km (0.108 R)
• M17: 53,082,560 km (0.112 R)
• M18: 54,407,250 km (0.091 R)
• M19: 55,366,770 km (0.057 R)
• M20: 56,337,511 km (0.116 R)
• M21: 58,313,100 km (0.087 R)
• M22: 59,723,060 km (0.099 R)
• M23: 60,130,116 km (0.113 R)
• M24: 61,362,204 km (0.111 R)
• M25: 63,453,134 km (0.117 R)
• M26: 66,677,716 km (0.046 R)
• M27: 70,689,332 km (0.11 R)
• M28: 71,144,858 km (0.099 R)
• M29: 77,970,560 km (0.033 R)
• M30: 79,189,782 km (0.055 R)
• M31: 83,430,583 km (0.069 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 931.2

Radius: 5.9

Gravity: 26.75 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 13.25 AU - 16.57 AU

Year: 24282 Days

Day: 20 Hours

Environment

Temp: -208 °C

Axial Tilt: 128.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 104,912,186 km

• M1: 80,035 km (0.072 R)
• M2: 632,350 km (0.118 R)
• M3: 1,349,373 km (0.113 R)
• M4: 1,960,031 km (0.097 R)
• M5: 2,509,205 km (0.113 R)
• M6: 3,874,136 km (0.112 R)
• M7: 4,434,530 km (0.12 R)
• M8: 5,416,490 km (0.059 R)
• M9: 6,583,353 km (0.098 R)
• M10: 7,276,889 km (0.116 R)
• M11: 8,017,847 km (0.035 R)
• M12: 10,873,820 km (0.082 R)
• M13: 11,769,612 km (0.09 R)
• M14: 12,565,174 km (0.107 R)
• M15: 16,283,130 km (0.052 R)
• M16: 17,918,085 km (0.116 R)
• M17: 18,486,557 km (0.12 R)
• M18: 18,775,281 km (0.109 R)
• M19: 19,361,704 km (0.05 R)
• M20: 20,162,502 km (0.094 R)
• M21: 20,777,499 km (0.109 R)
• M22: 22,807,243 km (0.107 R)
• M23: 23,926,983 km (0.063 R)
• M24: 26,885,729 km (0.108 R)
• M25: 27,505,513 km (0.105 R)
• M26: 31,974,301 km (0.073 R)
• M27: 32,251,207 km (0.059 R)
• M28: 36,752,008 km (0.11 R)
• M29: 42,986,200 km (0.113 R)
• M30: 45,037,486 km (0.119 R)
• M31: 46,796,009 km (0.063 R)
• M32: 51,013,173 km (0.073 R)
• M33: 52,153,558 km (0.108 R)
• M34: 53,310,996 km (0.106 R)
• M35: 56,885,488 km (0.118 R)
• M36: 59,564,187 km (0.09 R)
• M37: 62,541,783 km (0.107 R)
• M38: 65,840,416 km (0.114 R)
• M39: 72,543,299 km (0.083 R)
• M40: 79,941,063 km (0.108 R)
• M41: 84,877,344 km (0.076 R)
• M42: 88,097,438 km (0.095 R)
• M43: 89,462,818 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 995.1

Radius: 6.8

Gravity: 21.52 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 12.89 AU - 19.01 AU

Year: 26866 Days

Day: 22.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 104,912,186 km

• M1: 84,523 km (0.099 R)
• M2: 309,668 km (0.065 R)
• M3: 727,046 km (0.11 R)
• M4: 948,600 km (0.063 R)
• M5: 1,200,822 km (0.065 R)
• M6: 2,013,438 km (0.072 R)
• M7: 2,830,841 km (0.117 R)
• M8: 4,204,747 km (0.116 R)
• M9: 4,695,578 km (0.118 R)
• M10: 5,437,583 km (0.07 R)
• M11: 6,066,792 km (0.046 R)
• M12: 6,496,138 km (0.11 R)
• M13: 8,713,178 km (0.063 R)
• M14: 9,636,945 km (0.102 R)
• M15: 10,692,508 km (0.078 R)
• M16: 14,154,352 km (0.058 R)
• M17: 17,908,511 km (0.104 R)
• M18: 19,092,129 km (0.117 R)
• M19: 21,613,900 km (0.089 R)
• M20: 24,706,986 km (0.117 R)
• M21: 26,296,463 km (0.049 R)
• M22: 33,191,429 km (0.064 R)
• M23: 34,074,206 km (0.104 R)
• M24: 35,275,477 km (0.086 R)
• M25: 37,603,519 km (0.104 R)
• M26: 40,864,304 km (0.115 R)
• M27: 42,908,559 km (0.109 R)
• M28: 44,841,513 km (0.114 R)
• M29: 48,315,774 km (0.092 R)
• M30: 56,000,916 km (0.083 R)
• M31: 58,519,845 km (0.074 R)
• M32: 60,675,999 km (0.12 R)
• M33: 61,773,598 km (0.105 R)
• M34: 74,234,203 km (0.081 R)
• M35: 88,269,027 km (0.114 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 13,731 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit