🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.6

Radius: 9.8

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.63 AU - 0.81 AU

Year: 414 Days

Day: 6.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 76,196,551 km

• M1: 121,922 km (0.119 R)
• M2: 465,549 km (0.063 R)
• M3: 1,232,686 km (0.119 R)
• M4: 1,788,293 km (0.025 R)
• M5: 2,525,511 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.1

Radius: 14.2

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.72 AU - 0.94 AU

Year: 513 Days

Day: 7.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,196,551 km

• M1: 176,525 km (0.03 R)
• M2: 660,624 km (0.113 R)
• M3: 1,164,470 km (0.096 R)
• M4: 1,832,873 km (0.109 R)
• M5: 2,389,377 km (0.1 R)
• M6: 3,261,832 km (0.12 R)
• M7: 3,995,011 km (0.085 R)
• M8: 4,820,791 km (0.115 R)
• M9: 5,323,590 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.6

Radius: 12.6

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.03 AU - 1.49 AU

Year: 959 Days

Day: 8.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,196,551 km

• M1: 156,779 km (0.119 R)
• M2: 549,323 km (0.054 R)
• M3: 1,085,632 km (0.12 R)
• M4: 1,522,757 km (0.11 R)
• M5: 2,005,060 km (0.072 R)
• M6: 3,324,364 km (0.1 R)
• M7: 3,835,241 km (0.103 R)
• M8: 4,271,917 km (0.081 R)
• M9: 5,246,547 km (0.042 R)
• M10: 6,021,015 km (0.076 R)
• M11: 6,848,740 km (0.095 R)
• M12: 8,060,782 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.4

Radius: 15

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.81 AU - 2.73 AU

Year: 2320 Days

Day: 14.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,196,551 km

• M1: 186,698 km (0.1 R)
• M2: 671,994 km (0.045 R)
• M3: 1,343,090 km (0.101 R)
• M4: 1,946,717 km (0.089 R)
• M5: 2,700,242 km (0.09 R)
• M6: 3,317,931 km (0.076 R)
• M7: 6,234,641 km (0.066 R)
• M8: 7,054,587 km (0.082 R)
• M9: 8,106,260 km (0.065 R)
• M10: 9,729,546 km (0.094 R)
• M11: 10,214,692 km (0.084 R)
• M12: 11,684,790 km (0.081 R)
• M13: 13,246,891 km (0.06 R)
• M14: 16,571,255 km (0.07 R)
• M15: 17,922,573 km (0.091 R)
• M16: 18,483,116 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.8

Radius: 8.9

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.45 AU - 6.01 AU

Year: 8112 Days

Day: 12.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 76,196,551 km

• M1: 117,883 km (0.108 R)
• M2: 719,865 km (0.111 R)
• M3: 1,248,095 km (0.088 R)
• M4: 1,888,823 km (0.111 R)
• M5: 2,455,499 km (0.085 R)
• M6: 2,956,503 km (0.053 R)
• M7: 3,811,455 km (0.101 R)
• M8: 4,309,017 km (0.105 R)
• M9: 4,664,312 km (0.057 R)
• M10: 5,758,620 km (0.112 R)
• M11: 6,777,532 km (0.034 R)
• M12: 7,580,872 km (0.052 R)
• M13: 8,407,400 km (0.09 R)
• M14: 8,882,972 km (0.083 R)
• M15: 9,168,554 km (0.061 R)
• M16: 10,827,445 km (0.077 R)
• M17: 12,473,620 km (0.086 R)
• M18: 13,303,290 km (0.074 R)
• M19: 14,114,110 km (0.07 R)
• M20: 14,447,414 km (0.076 R)
• M21: 15,245,968 km (0.105 R)
• M22: 17,561,294 km (0.098 R)
• M23: 19,342,406 km (0.07 R)
• M24: 26,230,939 km (0.118 R)
• M25: 26,904,878 km (0.107 R)
• M26: 28,287,611 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 196.6

Radius: 4.7

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.5 AU - 6.66 AU

Year: 10168 Days

Day: 19.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 76,196,551 km

• M1: 71,358 km (0.114 R)
• M2: 220,806 km (0.043 R)
• M3: 1,037,012 km (0.084 R)
• M4: 1,782,010 km (0.032 R)
• M5: 2,306,500 km (0.025 R)
• M6: 2,758,435 km (0.086 R)
• M7: 3,371,786 km (0.029 R)
• M8: 3,744,435 km (0.09 R)
• M9: 4,119,776 km (0.042 R)
• M10: 4,417,476 km (0.039 R)
• M11: 4,597,591 km (0.11 R)
• M12: 5,055,660 km (0.108 R)
• M13: 5,723,166 km (0.086 R)
• M14: 5,937,390 km (0.095 R)
• M15: 6,480,281 km (0.096 R)
• M16: 7,302,022 km (0.115 R)
• M17: 7,962,496 km (0.118 R)
• M18: 8,191,231 km (0.046 R)
• M19: 12,119,372 km (0.05 R)
• M20: 14,514,584 km (0.1 R)
• M21: 18,704,521 km (0.093 R)
• M22: 19,244,868 km (0.037 R)
• M23: 19,450,266 km (0.118 R)
• M24: 20,356,829 km (0.092 R)
• M25: 20,570,006 km (0.071 R)
• M26: 21,073,254 km (0.119 R)
• M27: 23,245,564 km (0.117 R)
• M28: 25,480,257 km (0.116 R)
• M29: 26,396,095 km (0.105 R)
• M30: 30,002,900 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 334.8

Radius: 4.4

Gravity: 17.29 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 6.18 AU - 6.82 AU

Year: 11240 Days

Day: 19.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 76,196,551 km

• M1: 54,753 km (0.047 R)
• M2: 432,188 km (0.072 R)
• M3: 746,643 km (0.039 R)
• M4: 921,074 km (0.108 R)
• M5: 1,415,645 km (0.056 R)
• M6: 1,972,448 km (0.076 R)
• M7: 2,326,995 km (0.066 R)
• M8: 2,605,247 km (0.086 R)
• M9: 3,945,195 km (0.093 R)
• M10: 4,395,784 km (0.049 R)
• M11: 4,562,735 km (0.071 R)
• M12: 5,304,441 km (0.092 R)
• M13: 5,525,697 km (0.078 R)
• M14: 5,753,235 km (0.079 R)
• M15: 5,919,438 km (0.086 R)
• M16: 6,192,155 km (0.083 R)
• M17: 6,509,003 km (0.106 R)
• M18: 6,799,522 km (0.085 R)
• M19: 8,257,354 km (0.113 R)
• M20: 9,126,069 km (0.115 R)
• M21: 10,690,264 km (0.041 R)
• M22: 11,300,773 km (0.101 R)
• M23: 12,535,404 km (0.117 R)
• M24: 12,928,248 km (0.117 R)
• M25: 14,767,554 km (0.073 R)
• M26: 17,597,497 km (0.061 R)
• M27: 21,081,781 km (0.064 R)
• M28: 22,694,446 km (0.101 R)
• M29: 23,530,847 km (0.116 R)
• M30: 23,871,033 km (0.068 R)
• M31: 32,315,982 km (0.052 R)
• M32: 36,684,839 km (0.07 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 625.9

Radius: 4

Gravity: 39.12 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 7.62 AU - 12.08 AU

Year: 20967 Days

Day: 21.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 76,196,551 km

• M1: 53,556 km (0.11 R)
• M2: 385,663 km (0.102 R)
• M3: 1,169,556 km (0.112 R)
• M4: 2,126,384 km (0.097 R)
• M5: 3,514,353 km (0.12 R)
• M6: 3,844,665 km (0.112 R)
• M7: 5,651,060 km (0.104 R)
• M8: 5,936,492 km (0.057 R)
• M9: 6,103,892 km (0.081 R)
• M10: 8,262,141 km (0.112 R)
• M11: 9,173,940 km (0.064 R)
• M12: 9,454,286 km (0.109 R)
• M13: 9,682,722 km (0.113 R)
• M14: 13,350,862 km (0.098 R)
• M15: 16,662,510 km (0.076 R)
• M16: 20,865,163 km (0.11 R)
• M17: 24,311,000 km (0.094 R)
• M18: 27,883,398 km (0.074 R)
• M19: 28,708,879 km (0.095 R)
• M20: 40,667,284 km (0.084 R)
• M21: 42,342,630 km (0.059 R)
• M22: 44,063,305 km (0.119 R)
• M23: 60,316,365 km (0.115 R)
• M24: 62,292,105 km (0.087 R)
• M25: 74,159,105 km (0.085 R)
• M26: 76,196,479 km (0.037 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 433 - 16,391 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit