🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.6

Radius: 14.6

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.85 AU - 1.07 AU

Year: 617 Days

Day: 12.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,933,196 km

• M1: 190,288 km (0.083 R)
• M2: 740,659 km (0.047 R)
• M3: 1,292,675 km (0.099 R)
• M4: 1,798,316 km (0.102 R)
• M5: 2,267,305 km (0.059 R)
• M6: 2,762,175 km (0.088 R)
• M7: 3,342,615 km (0.076 R)
• M8: 4,382,769 km (0.106 R)
• M9: 4,953,335 km (0.12 R)
• M10: 5,463,613 km (0.096 R)
• M11: 6,165,676 km (0.027 R)
• M12: 7,844,164 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.8

Radius: 14.2

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.8 AU - 1.18 AU

Year: 646 Days

Day: 10.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,933,196 km

• M1: 176,675 km (0.114 R)
• M2: 620,382 km (0.092 R)
• M3: 1,067,830 km (0.115 R)
• M4: 1,697,786 km (0.067 R)
• M5: 2,525,661 km (0.103 R)
• M6: 2,972,809 km (0.085 R)
• M7: 3,810,108 km (0.092 R)
• M8: 4,646,659 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.2

Radius: 10.1

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.12 AU - 1.74 AU

Year: 1122 Days

Day: 8.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,933,196 km

• M1: 125,662 km (0.101 R)
• M2: 521,648 km (0.087 R)
• M3: 948,899 km (0.106 R)
• M4: 1,771,089 km (0.049 R)
• M5: 3,392,132 km (0.119 R)
• M6: 3,910,788 km (0.03 R)
• M7: 4,760,952 km (0.032 R)
• M8: 5,144,970 km (0.064 R)
• M9: 5,549,632 km (0.025 R)
• M10: 5,954,743 km (0.096 R)
• M11: 7,124,748 km (0.102 R)
• M12: 7,458,052 km (0.098 R)
• M13: 8,002,738 km (0.057 R)
• M14: 8,389,299 km (0.104 R)
• M15: 8,896,735 km (0.074 R)
• M16: 9,311,719 km (0.067 R)
• M17: 9,681,675 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.2

Radius: 14.5

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.44 AU - 2.08 AU

Year: 1532 Days

Day: 14.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 91.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,933,196 km

• M1: 180,415 km (0.103 R)
• M2: 659,727 km (0.109 R)
• M3: 1,114,953 km (0.11 R)
• M4: 2,051,436 km (0.11 R)
• M5: 2,569,942 km (0.079 R)
• M6: 3,044,765 km (0.11 R)
• M7: 4,817,799 km (0.062 R)
• M8: 5,353,210 km (0.031 R)
• M9: 6,136,804 km (0.102 R)
• M10: 8,773,167 km (0.088 R)
• M11: 9,543,596 km (0.077 R)
• M12: 10,192,103 km (0.119 R)
• M13: 10,697,594 km (0.115 R)
• M14: 11,149,230 km (0.087 R)
• M15: 12,581,480 km (0.089 R)
• M16: 13,203,358 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.1

Radius: 9.3

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.03 AU - 2.13 AU

Year: 1968 Days

Day: 14.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,933,196 km

• M1: 115,938 km (0.101 R)
• M2: 407,654 km (0.109 R)
• M3: 809,624 km (0.116 R)
• M4: 1,150,557 km (0.116 R)
• M5: 2,788,654 km (0.119 R)
• M6: 4,054,252 km (0.105 R)
• M7: 4,580,537 km (0.034 R)
• M8: 5,228,894 km (0.066 R)
• M9: 5,979,576 km (0.082 R)
• M10: 6,481,328 km (0.119 R)
• M11: 7,594,037 km (0.115 R)
• M12: 7,923,152 km (0.107 R)
• M13: 8,235,363 km (0.118 R)
• M14: 9,221,961 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.4

Radius: 14

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.56 AU - 4.1 AU

Year: 3986 Days

Day: 5 Hours

Environment

Temp: -216 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,933,196 km

• M1: 174,431 km (0.104 R)
• M2: 642,373 km (0.118 R)
• M3: 1,668,764 km (0.095 R)
• M4: 2,359,308 km (0.104 R)
• M5: 2,852,383 km (0.105 R)
• M6: 5,773,730 km (0.104 R)
• M7: 7,307,557 km (0.113 R)
• M8: 8,245,835 km (0.083 R)
• M9: 9,329,222 km (0.066 R)
• M10: 9,905,473 km (0.06 R)
• M11: 11,242,130 km (0.096 R)
• M12: 12,013,158 km (0.032 R)
• M13: 13,193,635 km (0.039 R)
• M14: 13,747,147 km (0.062 R)
• M15: 14,946,772 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852

Radius: 11.1

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.85 AU - 4.23 AU

Year: 5327 Days

Day: 14 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,933,196 km

• M1: 158,723 km (0.092 R)
• M2: 2,379,205 km (0.117 R)
• M3: 2,820,369 km (0.093 R)
• M4: 4,082,825 km (0.115 R)
• M5: 4,799,997 km (0.109 R)
• M6: 5,160,528 km (0.078 R)
• M7: 5,509,540 km (0.039 R)
• M8: 5,936,642 km (0.105 R)
• M9: 6,518,278 km (0.057 R)
• M10: 7,066,704 km (0.053 R)
• M11: 9,618,395 km (0.104 R)
• M12: 12,161,708 km (0.084 R)
• M13: 12,677,672 km (0.09 R)
• M14: 13,533,521 km (0.106 R)
• M15: 14,427,518 km (0.093 R)
• M16: 15,360,410 km (0.05 R)
• M17: 16,519,943 km (0.113 R)
• M18: 18,603,393 km (0.056 R)
• M19: 23,681,343 km (0.067 R)
• M20: 26,066,980 km (0.086 R)
• M21: 26,493,783 km (0.11 R)
• M22: 29,062,678 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 683.1

Radius: 3.3

Gravity: 62.73 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.55 AU - 7.51 AU

Year: 9714 Days

Day: 20.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 76,933,196 km

• M1: 42,486 km (0.065 R)
• M2: 296,952 km (0.102 R)
• M3: 457,321 km (0.09 R)
• M4: 722,707 km (0.086 R)
• M5: 1,104,631 km (0.087 R)
• M6: 1,295,518 km (0.116 R)
• M7: 2,379,803 km (0.114 R)
• M8: 2,803,464 km (0.036 R)
• M9: 2,999,737 km (0.068 R)
• M10: 3,517,944 km (0.111 R)
• M11: 8,194,523 km (0.098 R)
• M12: 9,056,057 km (0.053 R)
• M13: 11,887,645 km (0.068 R)
• M14: 12,228,280 km (0.074 R)
• M15: 12,692,482 km (0.08 R)
• M16: 13,717,826 km (0.105 R)
• M17: 14,602,547 km (0.12 R)
• M18: 18,674,901 km (0.108 R)
• M19: 18,980,828 km (0.094 R)
• M20: 20,560,582 km (0.03 R)
• M21: 22,397,045 km (0.119 R)
• M22: 22,916,299 km (0.116 R)
• M23: 23,978,743 km (0.113 R)
• M24: 24,522,083 km (0.059 R)
• M25: 25,166,251 km (0.097 R)
• M26: 29,579,239 km (0.04 R)
• M27: 31,695,899 km (0.104 R)
• M28: 34,138,384 km (0.088 R)
• M29: 35,056,765 km (0.093 R)
• M30: 35,873,869 km (0.097 R)
• M31: 37,788,721 km (0.033 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 858.9

Radius: 5.7

Gravity: 26.44 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 7.19 AU - 8.07 AU

Year: 13826 Days

Day: 15.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 76,933,196 km

• M1: 71,209 km (0.089 R)
• M2: 291,566 km (0.081 R)
• M3: 575,802 km (0.102 R)
• M4: 1,158,636 km (0.062 R)
• M5: 2,679,298 km (0.098 R)
• M6: 2,865,547 km (0.047 R)
• M7: 3,531,707 km (0.114 R)
• M8: 3,871,892 km (0.117 R)
• M9: 4,327,567 km (0.092 R)
• M10: 5,679,483 km (0.078 R)
• M11: 6,267,253 km (0.088 R)
• M12: 7,157,211 km (0.089 R)
• M13: 7,609,445 km (0.09 R)
• M14: 8,772,270 km (0.113 R)
• M15: 10,965,973 km (0.099 R)
• M16: 12,508,476 km (0.065 R)
• M17: 12,899,226 km (0.097 R)
• M18: 13,911,555 km (0.118 R)
• M19: 14,543,755 km (0.112 R)
• M20: 14,758,578 km (0.067 R)
• M21: 15,941,000 km (0.112 R)
• M22: 17,425,459 km (0.096 R)
• M23: 22,811,431 km (0.085 R)
• M24: 24,793,603 km (0.042 R)
• M25: 25,931,295 km (0.084 R)
• M26: 28,533,550 km (0.084 R)
• M27: 30,013,222 km (0.083 R)
• M28: 34,124,022 km (0.106 R)
• M29: 37,644,060 km (0.075 R)
• M30: 40,261,275 km (0.058 R)
• M31: 42,997,420 km (0.115 R)
• M32: 43,440,379 km (0.084 R)
• M33: 44,035,928 km (0.088 R)
• M34: 46,317,446 km (0.039 R)
• M35: 53,462,090 km (0.071 R)
• M36: 59,827,330 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523.9

Radius: 7.1

Gravity: 10.39 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 10.16 AU - 11.42 AU

Year: 23251 Days

Day: 21.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 76,933,196 km

• M1: 104,868 km (0.054 R)
• M2: 446,250 km (0.119 R)
• M3: 963,560 km (0.056 R)
• M4: 1,408,015 km (0.107 R)
• M5: 2,290,044 km (0.105 R)
• M6: 2,582,807 km (0.081 R)
• M7: 3,526,321 km (0.049 R)
• M8: 3,886,852 km (0.102 R)
• M9: 6,859,960 km (0.113 R)
• M10: 7,137,614 km (0.086 R)
• M11: 7,519,387 km (0.05 R)
• M12: 9,184,561 km (0.078 R)
• M13: 9,465,207 km (0.111 R)
• M14: 11,018,482 km (0.091 R)
• M15: 11,724,135 km (0.027 R)
• M16: 12,459,558 km (0.118 R)
• M17: 13,948,206 km (0.093 R)
• M18: 15,315,531 km (0.097 R)
• M19: 15,551,746 km (0.044 R)
• M20: 15,870,689 km (0.07 R)
• M21: 18,669,665 km (0.102 R)
• M22: 21,781,600 km (0.095 R)
• M23: 29,859,585 km (0.084 R)
• M24: 30,476,377 km (0.052 R)
• M25: 33,555,700 km (0.075 R)
• M26: 34,626,671 km (0.05 R)
• M27: 35,858,460 km (0.109 R)
• M28: 39,580,605 km (0.112 R)
• M29: 42,458,120 km (0.105 R)
• M30: 44,665,586 km (0.115 R)
• M31: 47,614,609 km (0.1 R)
• M32: 49,136,617 km (0.053 R)
• M33: 53,897,121 km (0.096 R)
• M34: 54,261,541 km (0.107 R)
• M35: 62,700,058 km (0.114 R)
• M36: 66,599,326 km (0.115 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: 430 - 13,086 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit