🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.3

Radius: 11.7

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.56 AU - 0.9 AU

Year: 403 Days

Day: 10.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 120.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,149,439 km

• M1: 145,559 km (0.081 R)
• M2: 560,543 km (0.112 R)
• M3: 1,006,494 km (0.052 R)
• M4: 1,415,345 km (0.12 R)
• M5: 1,811,929 km (0.062 R)
• M6: 2,230,205 km (0.116 R)
• M7: 2,878,861 km (0.111 R)
• M8: 3,587,806 km (0.061 R)
• M9: 4,050,662 km (0.12 R)
• M10: 5,019,457 km (0.109 R)
• M11: 5,434,741 km (0.113 R)
• M12: 5,890,267 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.2

Radius: 14.3

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.84 AU - 0.94 AU

Year: 542 Days

Day: 13.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,149,439 km

• M1: 177,872 km (0.079 R)
• M2: 649,704 km (0.085 R)
• M3: 1,216,081 km (0.064 R)
• M4: 1,781,711 km (0.063 R)
• M5: 2,444,579 km (0.107 R)
• M6: 2,993,453 km (0.088 R)
• M7: 3,637,323 km (0.062 R)
• M8: 4,144,759 km (0.043 R)
• M9: 4,979,515 km (0.109 R)
• M10: 5,923,776 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.3

Radius: 14.7

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.5 AU - 2.3 AU

Year: 1691 Days

Day: 12.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,149,439 km

• M1: 182,958 km (0.095 R)
• M2: 645,066 km (0.057 R)
• M3: 1,989,053 km (0.107 R)
• M4: 2,986,273 km (0.088 R)
• M5: 3,614,584 km (0.078 R)
• M6: 4,142,814 km (0.118 R)
• M7: 5,705,214 km (0.086 R)
• M8: 6,267,852 km (0.062 R)
• M9: 6,891,376 km (0.118 R)
• M10: 7,658,065 km (0.094 R)
• M11: 8,563,730 km (0.096 R)
• M12: 9,362,284 km (0.041 R)
• M13: 10,749,355 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.5

Radius: 13

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.27 AU - 4.95 AU

Year: 5380 Days

Day: 8.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,149,439 km

• M1: 161,715 km (0.094 R)
• M2: 752,776 km (0.07 R)
• M3: 1,364,482 km (0.07 R)
• M4: 1,826,590 km (0.117 R)
• M5: 3,509,416 km (0.075 R)
• M6: 4,028,820 km (0.045 R)
• M7: 5,308,780 km (0.047 R)
• M8: 6,027,448 km (0.053 R)
• M9: 6,641,547 km (0.055 R)
• M10: 7,190,870 km (0.092 R)
• M11: 8,302,682 km (0.09 R)
• M12: 9,147,012 km (0.119 R)
• M13: 10,542,611 km (0.092 R)
• M14: 11,006,813 km (0.096 R)
• M15: 11,532,949 km (0.093 R)
• M16: 13,054,060 km (0.066 R)
• M17: 14,647,726 km (0.089 R)
• M18: 15,640,457 km (0.069 R)
• M19: 17,181,166 km (0.089 R)
• M20: 17,759,810 km (0.1 R)
• M21: 20,490,720 km (0.071 R)
• M22: 22,791,385 km (0.092 R)
• M23: 24,606,307 km (0.118 R)
• M24: 25,673,687 km (0.085 R)
• M25: 26,515,624 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.7

Radius: 10

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.7 AU - 5.14 AU

Year: 6000 Days

Day: 14.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 77,149,439 km

• M1: 124,316 km (0.093 R)
• M2: 465,249 km (0.086 R)
• M3: 813,064 km (0.048 R)
• M4: 1,210,995 km (0.1 R)
• M5: 1,711,549 km (0.108 R)
• M6: 2,518,929 km (0.037 R)
• M7: 4,056,645 km (0.116 R)
• M8: 5,301,749 km (0.081 R)
• M9: 5,696,089 km (0.031 R)
• M10: 6,715,748 km (0.073 R)
• M11: 7,547,811 km (0.117 R)
• M12: 8,166,099 km (0.101 R)
• M13: 8,734,421 km (0.097 R)
• M14: 10,225,014 km (0.086 R)
• M15: 11,325,157 km (0.09 R)
• M16: 12,239,649 km (0.07 R)
• M17: 13,929,207 km (0.102 R)
• M18: 16,973,524 km (0.061 R)
• M19: 19,780,130 km (0.037 R)
• M20: 21,712,186 km (0.099 R)
• M21: 25,348,013 km (0.092 R)
• M22: 26,120,985 km (0.093 R)
• M23: 26,998,227 km (0.105 R)
• M24: 29,937,376 km (0.1 R)
• M25: 31,978,340 km (0.098 R)
• M26: 32,779,586 km (0.03 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.5

Radius: 8.3

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.85 AU - 5.29 AU

Year: 6308 Days

Day: 14 Hours

Environment

Temp: -219 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,149,439 km

• M1: 108,010 km (0.084 R)
• M2: 652,396 km (0.088 R)
• M3: 1,075,309 km (0.033 R)
• M4: 1,385,127 km (0.036 R)
• M5: 4,318,442 km (0.054 R)
• M6: 5,492,635 km (0.038 R)
• M7: 6,167,920 km (0.09 R)
• M8: 7,715,510 km (0.108 R)
• M9: 8,148,147 km (0.106 R)
• M10: 12,664,208 km (0.035 R)
• M11: 17,010,175 km (0.045 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.2

Radius: 8.5

Gravity: 11.68 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.86 AU - 6.6 AU

Year: 8856 Days

Day: 8.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 77,149,439 km

• M1: 105,766 km (0.106 R)
• M2: 588,967 km (0.101 R)
• M3: 880,683 km (0.062 R)
• M4: 1,295,218 km (0.076 R)
• M5: 1,669,811 km (0.077 R)
• M6: 2,804,212 km (0.029 R)
• M7: 3,340,969 km (0.111 R)
• M8: 3,813,250 km (0.09 R)
• M9: 5,910,911 km (0.074 R)
• M10: 6,909,327 km (0.1 R)
• M11: 7,387,592 km (0.105 R)
• M12: 8,059,286 km (0.081 R)
• M13: 10,681,438 km (0.059 R)
• M14: 12,099,476 km (0.057 R)
• M15: 16,117,675 km (0.044 R)
• M16: 16,675,375 km (0.04 R)
• M17: 19,658,806 km (0.046 R)
• M18: 22,719,129 km (0.108 R)
• M19: 23,420,295 km (0.094 R)
• M20: 26,851,920 km (0.094 R)
• M21: 27,438,344 km (0.067 R)
• M22: 33,667,150 km (0.081 R)
• M23: 36,330,890 km (0.112 R)
• M24: 38,510,980 km (0.039 R)
• M25: 39,885,485 km (0.074 R)
• M26: 41,034,247 km (0.078 R)
• M27: 44,612,329 km (0.113 R)
• M28: 47,110,165 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.2

Radius: 13

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 4.66 AU - 7.12 AU

Year: 9230 Days

Day: 14.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,149,439 km

• M1: 161,715 km (0.113 R)
• M2: 898,186 km (0.046 R)
• M3: 1,705,266 km (0.064 R)
• M4: 2,638,009 km (0.102 R)
• M5: 3,478,450 km (0.114 R)
• M6: 4,300,041 km (0.116 R)
• M7: 4,714,577 km (0.091 R)
• M8: 5,592,567 km (0.111 R)
• M9: 6,648,728 km (0.096 R)
• M10: 7,091,687 km (0.116 R)
• M11: 8,540,692 km (0.099 R)
• M12: 11,802,973 km (0.055 R)
• M13: 12,289,465 km (0.081 R)
• M14: 14,128,771 km (0.056 R)
• M15: 14,801,513 km (0.085 R)
• M16: 17,085,124 km (0.045 R)
• M17: 18,781,115 km (0.066 R)
• M18: 24,803,177 km (0.097 R)
• M19: 25,963,608 km (0.116 R)
• M20: 27,253,441 km (0.114 R)
• M21: 30,361,636 km (0.093 R)
• M22: 31,071,777 km (0.078 R)
• M23: 32,630,886 km (0.098 R)
• M24: 33,268,921 km (0.03 R)
• M25: 38,913,847 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736.9

Radius: 4.2

Gravity: 41.77 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 8.57 AU - 10.95 AU

Year: 19687 Days

Day: 23.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 77,149,439 km

• M1: 59,690 km (0.111 R)
• M2: 192,233 km (0.112 R)
• M3: 430,991 km (0.107 R)
• M4: 942,167 km (0.116 R)
• M5: 1,091,616 km (0.09 R)
• M6: 1,300,753 km (0.103 R)
• M7: 2,723,280 km (0.089 R)
• M8: 3,029,357 km (0.038 R)
• M9: 4,349,857 km (0.093 R)
• M10: 7,854,038 km (0.105 R)
• M11: 11,400,854 km (0.117 R)
• M12: 11,595,331 km (0.071 R)
• M13: 11,726,229 km (0.115 R)
• M14: 14,405,377 km (0.098 R)
• M15: 15,172,814 km (0.109 R)
• M16: 19,056,076 km (0.036 R)
• M17: 21,030,169 km (0.082 R)
• M18: 21,519,504 km (0.1 R)
• M19: 21,816,755 km (0.112 R)
• M20: 22,318,207 km (0.067 R)
• M21: 24,294,096 km (0.077 R)
• M22: 25,933,988 km (0.076 R)
• M23: 26,610,020 km (0.063 R)
• M24: 29,189,836 km (0.076 R)
• M25: 30,415,641 km (0.103 R)
• M26: 31,803,161 km (0.104 R)
• M27: 33,496,908 km (0.115 R)
• M28: 35,112,715 km (0.11 R)
• M29: 39,971,803 km (0.102 R)
• M30: 47,399,487 km (0.082 R)
• M31: 48,240,077 km (0.108 R)
• M32: 49,605,308 km (0.118 R)
• M33: 50,297,646 km (0.063 R)
• M34: 52,056,319 km (0.077 R)
• M35: 52,234,341 km (0.066 R)
• M36: 58,726,888 km (0.047 R)
• M37: 59,891,358 km (0.09 R)
• M38: 60,873,318 km (0.055 R)
• M39: 62,869,552 km (0.073 R)
• M40: 63,071,509 km (0.043 R)
• M41: 75,541,689 km (0.093 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: 548 - 12,977 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit